Author Topic: Re: 2021 Man Cup finals at SGMP, November 18-21.  (Read 4208 times)

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Offline madmtnmotors

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Re: Re: 2021 Man Cup finals at SGMP, November 18-21.
« Reply #25 on: November 04, 2021, 02:51:21 PM »
I look forward to seeing your 9 second runs Frank!   I hope to catch you there Jerry. And Dennis, I'll miss your great conversations; but pray for your quick ankle healing!
    Wilbur, will you be there too?

Still on the fence. If I go it will be "pit support" for everyone else, it's been a very busy year. Probably won't decide until the last minute, hard to pass up the chance to see everyone!
TAMTF...


Wilbur



Projects:
"Evolution": http://forums.sohc4.net/index.php?topic=100352.0
"P.O. Debacle": http://forums.sohc4.net/index.php/topic,126692.msg1441661.html#msg1441661
F2/F3 O-rings: http://forums.sohc4.net/index.php?topic=113672.msg1300721#msg1300721
Cam Tower Studs: https://www.mcmaster.com/#93210a017/=t19sgp
Clean up that nasty harness: http://forums.sohc4.net/index.php?topic=137351.msg1549191#msg1549191
http://forums.sohc4.net/index.php/topic,148188.msg1688494.html#msg1688494
http://forums.sohc4.net/index.php/topic,139544.msg1579364.html#msg1579364
                                          
Charging system diagnosis: http://forums.sohc4.net/index.php?topic=1012.msg8345#msg8345
Get the manuals: http://manuals.sohc4.net/cb750k/
The Dragon: http://forums.sohc4.net/index.php?topic=45183.msg1571675#msg1571675
Headlight Switch: http://forums.sohc4.net/index.php?topic=113986.msg1283236#msg1283236
Branden's leak free top end thread: http://forums.sohc4.net/index.php?topic=107040.0
Engine Lifting Made Easy: http://forums.sohc4.net/index.php/topic,58210.msg1684742.html#msg1684742
                                      http://forums.sohc4.net/index.php/topic,100352.msg1675840.html#msg1675840
Static and Dynamic Timing: http://www.hondachopper.com/garage/carb_info/timing/timing1.html
Airbox Gasket Replacement: http://forums.sohc4.net/index.php/topic,114485.msg1290000.html#msg1290000
"Café" : http://forums.sohc4.net/index.php/topic,84697.msg953814.html#msg953814
PD Carb Choke Linkage: http://forums.sohc4.net/index.php/topic,100352.msg1669248.html#msg1669248
                                    http://forums.sohc4.net/index.php/topic,110931.msg1248354.html#msg1248354
                                    http://forums.sohc4.net/index.php/topic,48858.msg515204.html#msg515204
Follow up on your damn posts: http://forums.sohc4.net/index.php/topic,144305.msg1791605.html#msg1791605
Taiwanese Cam Chain Tensioners:  http://forums.sohc4.net/index.php/topic,155043.msg1774841.html#msg1774841
Gumtwo Seat Cover: http://forums.sohc4.net/index.php/topic,164440.msg1897366.html#msg1897366
Primary Drive: http://forums.sohc4.net/index.php/topic,166063.msg1919278.html#msg1919278
Tank Latch: http://forums.sohc4.net/index.php/topic,165975.msg1919495.html#msg1919495
Shorten your forks: http://vintage-and-classic-honda-s.456789.n3.nabble.com/How-to-shorten-forks-td4042465.html DO NOT CUT THE SPRINGS!
Clutch How To: http://vintage-and-classic-honda-s.456789.n3.nabble.com/How-to-change-and-adjust-a-clutch-SOHC-td4040391.html
Late model K7/K8/F2/F3 front sprocket cover removal: http://forums.sohc4.net/index.php/topic,178428.msg2072279.html#msg2072279
630 to 530 conversion: http://forums.sohc4.net/index.php/topic,180710.msg2094423.html#msg2094423

Sent from my Tandy TRS-80!

Offline dragracer

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Re: Re: 2021 Man Cup finals at SGMP, November 18-21.
« Reply #26 on: November 04, 2021, 09:41:11 PM »
I look forward to seeing your 9 second runs Frank!   I hope to catch you there Jerry. And Dennis, I'll miss your great conversations; but pray for your quick ankle healing!
    Wilbur, will you be there too?

Still on the fence. If I go it will be "pit support" for everyone else, it's been a very busy year. Probably won't decide until the last minute, hard to pass up the chance to see everyone!

Come on up and please Don't forget to bring the bike. I hate being the only SOHC bike racing now. I'm getting  less motivated every season to keep running my Honda. The brotherhood has left me high and dry🙄

Offline mark ward

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Re: 2021 Man Cup finals at SGMP, November 18-21.
« Reply #27 on: November 05, 2021, 11:14:34 AM »
Wilbur, you're not so far away, in sunny Florida.  And thanks for your 'ring-compressor' tip. I purchased same ones you suggested, on ebay. They were for a CBX, and although a bit challenging; got the job done, with motor in the frame!

Offline madmtnmotors

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Re: Re: 2021 Man Cup finals at SGMP, November 18-21.
« Reply #28 on: November 05, 2021, 03:26:56 PM »
Wilbur, you're not so far away, in sunny Florida.  And thanks for your 'ring-compressor' tip. I purchased same ones you suggested, on ebay. They were for a CBX, and although a bit challenging; got the job done, with motor in the frame!

Glad they worked for you. Those spring loaded ring compressor pliers are like having an extra hand...

or two!   8)
TAMTF...


Wilbur



Projects:
"Evolution": http://forums.sohc4.net/index.php?topic=100352.0
"P.O. Debacle": http://forums.sohc4.net/index.php/topic,126692.msg1441661.html#msg1441661
F2/F3 O-rings: http://forums.sohc4.net/index.php?topic=113672.msg1300721#msg1300721
Cam Tower Studs: https://www.mcmaster.com/#93210a017/=t19sgp
Clean up that nasty harness: http://forums.sohc4.net/index.php?topic=137351.msg1549191#msg1549191
http://forums.sohc4.net/index.php/topic,148188.msg1688494.html#msg1688494
http://forums.sohc4.net/index.php/topic,139544.msg1579364.html#msg1579364
                                          
Charging system diagnosis: http://forums.sohc4.net/index.php?topic=1012.msg8345#msg8345
Get the manuals: http://manuals.sohc4.net/cb750k/
The Dragon: http://forums.sohc4.net/index.php?topic=45183.msg1571675#msg1571675
Headlight Switch: http://forums.sohc4.net/index.php?topic=113986.msg1283236#msg1283236
Branden's leak free top end thread: http://forums.sohc4.net/index.php?topic=107040.0
Engine Lifting Made Easy: http://forums.sohc4.net/index.php/topic,58210.msg1684742.html#msg1684742
                                      http://forums.sohc4.net/index.php/topic,100352.msg1675840.html#msg1675840
Static and Dynamic Timing: http://www.hondachopper.com/garage/carb_info/timing/timing1.html
Airbox Gasket Replacement: http://forums.sohc4.net/index.php/topic,114485.msg1290000.html#msg1290000
"Café" : http://forums.sohc4.net/index.php/topic,84697.msg953814.html#msg953814
PD Carb Choke Linkage: http://forums.sohc4.net/index.php/topic,100352.msg1669248.html#msg1669248
                                    http://forums.sohc4.net/index.php/topic,110931.msg1248354.html#msg1248354
                                    http://forums.sohc4.net/index.php/topic,48858.msg515204.html#msg515204
Follow up on your damn posts: http://forums.sohc4.net/index.php/topic,144305.msg1791605.html#msg1791605
Taiwanese Cam Chain Tensioners:  http://forums.sohc4.net/index.php/topic,155043.msg1774841.html#msg1774841
Gumtwo Seat Cover: http://forums.sohc4.net/index.php/topic,164440.msg1897366.html#msg1897366
Primary Drive: http://forums.sohc4.net/index.php/topic,166063.msg1919278.html#msg1919278
Tank Latch: http://forums.sohc4.net/index.php/topic,165975.msg1919495.html#msg1919495
Shorten your forks: http://vintage-and-classic-honda-s.456789.n3.nabble.com/How-to-shorten-forks-td4042465.html DO NOT CUT THE SPRINGS!
Clutch How To: http://vintage-and-classic-honda-s.456789.n3.nabble.com/How-to-change-and-adjust-a-clutch-SOHC-td4040391.html
Late model K7/K8/F2/F3 front sprocket cover removal: http://forums.sohc4.net/index.php/topic,178428.msg2072279.html#msg2072279
630 to 530 conversion: http://forums.sohc4.net/index.php/topic,180710.msg2094423.html#msg2094423

Sent from my Tandy TRS-80!

Offline dragracer

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Re: Re: 2021 Man Cup finals at SGMP, November 18-21.
« Reply #29 on: November 05, 2021, 08:25:53 PM »
Which bike are you calling the new bike? Most recent build you documented for us here?
How many mph is between a 9.9 and a 9.0 run? How much hp would that take?

Good luck in your next round of racing and the work ahead to get there...

RAF. Yes I'm referring to the new build. Best motor pass on the bike thus far is a low 10 second run. I'm not planning to go any quicker than high 9s on spray this time. I just to to dip into the 9s. I'd guess the mph should be around 135-140 or so depending on the tune up. I'll probably set it up to delay the nitrous until 2 seconds in the run. I'll have the progressive controller start at 25% and then ramp it up to 50% within 6 seconds. I may install a 80hp jetting so that'll add 40hp total on my pass. Intending to pull out about 6 -8 degrees of timing on the run to be on the safe side. It's not like I can fall back to anyone else's data on  how nitrous affect an SOHC so I'm not taking any chances until I can make a run and read the plugs.  I'm not trying to burn this things up simply to get it into the 9s. Detonation is not your friend 😒.
« Last Edit: November 05, 2021, 09:15:53 PM by dragracer »

Offline RAFster122s

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Re: Re: 2021 Man Cup finals at SGMP, November 18-21.
« Reply #30 on: November 05, 2021, 08:34:42 PM »
Frank, good luck with wrapping up your season at the drag strip! Hope you finish strong with good reactions and good runs and bring yourself and your bikes home unscathed.  Go get’em!
David
David- back in the desert SW!

Offline Jerry Rxman Griffin aka MuthaF'er

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Re: 2021 Man Cup finals at SGMP, November 18-21.
« Reply #31 on: November 06, 2021, 07:20:22 AM »
Frank is going to put more higher power modern bikes on the trailer. Ambush time.  ;) ;D
As of today 3/13/2012 my original owner 75 CB750F has made it through 3 wives, er EX-wives. Free at last.  ;-)

Offline dragracer

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Re: Re: 2021 Man Cup finals at SGMP, November 18-21.
« Reply #32 on: November 06, 2021, 12:42:33 PM »
Frank is going to put more higher power modern bikes on the trailer. Ambush time.  ;) ;D

I'm hoping it'll be my weekend.  All I can do is show up and try my best. You can't win unless you're in the fight.

Offline dragracer

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Re: 2021 Man Cup finals at SGMP, November 18-21.
« Reply #33 on: November 06, 2021, 05:18:32 PM »
2017 was fun.. Let's see what's happens this year.

Offline dragracer

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Re: Re: 2021 Man Cup finals at SGMP, November 18-21.
« Reply #34 on: November 15, 2021, 11:52:34 PM »
4 days until the big show. I just got done replacing the transmission,  shift forks and drum in tbe F1, mono shock bike.  No time to test before the event so I'm hoping for the best. I probably won't try nitrous oxide at this event since I haven't been able to make any test passes with the new tranny parts. I'm still planning to go after resetting my own record in the CB/SS class in  super eliminator though. I'm hoping all that work solve my shifting problems.

To all that are coming to the race in person, I'll see you Friday night or Saturday morning.  For anyone interested in watching the event, you can tune in from the comfort of your own home.  It'll be live streamed throughout the weekend.

Offline dusterdude

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Re: 2021 Man Cup finals at SGMP, November 18-21.
« Reply #35 on: November 16, 2021, 02:13:12 AM »
Give em hell frank

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Offline RAFster122s

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Re: Re: 2021 Man Cup finals at SGMP, November 18-21.
« Reply #36 on: November 16, 2021, 02:29:11 AM »
Have fun Frank and may your reactions be perfect and the bike be a beast of consistency...
David- back in the desert SW!

Offline dragracer

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Re: Re: 2021 Man Cup finals at SGMP, November 18-21.
« Reply #37 on: November 16, 2021, 04:55:14 PM »
I talked to Bill yesterday. He's hyped up and ready to race street ET and super eliminator.  No final word on Wilbur or Larry yet. Hopefully they'll show up with bikes and join in on the fun.

Offline Don R

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Re: Re: 2021 Man Cup finals at SGMP, November 18-21.
« Reply #38 on: November 17, 2021, 07:37:41 AM »
 Stay loose and relaxed and have fun, that's what I always tell my dragster driver.
No matter how many times you paint over a shadow, it's still there.
 CEO at the no kill motorcycle shop.
 You don't need a weatherman to know which way the wind blows.

Offline Jerry Rxman Griffin aka MuthaF'er

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Re: 2021 Man Cup finals at SGMP, November 18-21.
« Reply #39 on: November 17, 2021, 11:15:18 AM »
I am much closer now. Off The Rock. Arrived in Chattanooga at 2:30am. Long day/night. Shuttle to ATL Friday to get the rental car for the drive to Valdosta.
As of today 3/13/2012 my original owner 75 CB750F has made it through 3 wives, er EX-wives. Free at last.  ;-)

Offline Don R

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Re: Re: 2021 Man Cup finals at SGMP, November 18-21.
« Reply #40 on: November 20, 2021, 09:46:28 AM »
 cycledrag.com has some live videos from SGMP this weekend.
No matter how many times you paint over a shadow, it's still there.
 CEO at the no kill motorcycle shop.
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Offline Don R

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No matter how many times you paint over a shadow, it's still there.
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Offline Kevin D

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Re: 2021 Man Cup finals at SGMP, November 18-21.
« Reply #42 on: November 20, 2021, 11:08:54 AM »
Live now!
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Whether you think you can or think you can’t, you’re right
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Offline Don R

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Re: Re: 2021 Man Cup finals at SGMP, November 18-21.
« Reply #43 on: November 21, 2021, 07:00:05 PM »
They are still racing and have a 10:00 curfew. It's about now, they may be allowed to go over.
No matter how many times you paint over a shadow, it's still there.
 CEO at the no kill motorcycle shop.
 You don't need a weatherman to know which way the wind blows.

Offline dragracer

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Re: Re: 2021 Man Cup finals at SGMP, November 18-21.
« Reply #44 on: November 22, 2021, 09:39:06 PM »
Sorry I didn't give a report this weekend fellas. It wasn't my best showing but at least the Forum was represented. 

I only entered 2 classes at this event.  Street ET on my F3 and super eliminator on the newer build, F1. Due to the wife's work schedule we weren't able to get to the dragstrip until Saturday morning.  I missed one round of time trials in each class. Saturdays schedule only gave 1 time run in street ET before eliminations later that evening.  An unexpected misshift into 2nd gear screwed up the pass and the bike only ran a 10.87. Arrrrgh!! Now I had to figured out my dial for eliminations from a bad pass. Oh well,  I've been running the bike long enough to take an educated guess.

Next out was the 2nd of 3 qualifying passes in super eliminator.  I had put a freshly undercut transmission in the bike a few day prior to this event but never had a chance to test it so I was somewhat leary about the pass. I rolled into the water box and heated the tire up. Pulled up to the line and stayed up, the pro tree tree flashes and I throw the clutch lever. Dammit the bike bogged because I didn't have the rpms up quite enough. Nevertheless I'm off on what I was hoping to be a decent A-B pass. Nope, the dang bike misshifted 2nd gear. Crap. I hit the button again on and it goes into 2nd. It went into 3rd and 4th okay but acted up going to 5th. Oh boy- not good. Bike still ran a 10.59 or so. Back in tbe pits, Mark from the forum has me put the bike onto my jsck stands so I can roll the rear tire as I'm checking to see it the bike dry shifts properly.  Yeap, all good there in every gear. Further investigation revealed a slack chain so we get that tightened up. Digging a little more I surmised that tbe air cylinder may not be pulling in far enough to allow full movement of the shift lever. I decided to reorient the shift lever on the shaft to give me more movement for the shift ram. I started tbe bike up and tested it running through each gear. It seemed to shift okay without a load. I then put the bike on the ground and tested it on the return road at tbe end of the track. I couldn't really put pressure on it but it did shift through all gears.  Okay, maybe we've solved the multi part problem. I had one more shot down the track in the 3rd and last qualifying pass for that day. I needed to make a good run to verify I had fixed my shifting issue.

In between time trials for tbe 2 classes I was entered, I was helping my good friend with his 4.60 index bike. 4.60 is tbe quickest of tbe sportsman classes at the Man Cup and is run 1/8th mile only. It's a very tough class but has been growing like wildfire at sanctioning bodies all over the country. My friend was sitting in 2nd place in the points coming into this final event. There were 50 bikes in tbe class so he did have a numerical chance of winning the championship if tbe number 1 guy lost first round and my friend would then have to win tbe race. Unfortunately,  those hopes came to a dramatic end when he crashed his bike in the 3rd round of qualifying.  He came off the bike after it drifted rapidly against the left side retaining wall. He was momentarily unconscious but by tbe time my wife and I ran that whole 1/4 mile he had come to and was talking to the emergency tech. God was on his side because he was alert with no signs of broken bones. We got his helmet off once EMS verified he didn't have neck damage. Of course they stabilized his neck and then moved him onto tbe back board. He had contusion on his left hand and left big toe where the boot had been ground down when he was riding the wall. We followed the ambulance to the hospital and stayed until they complete CT Scans and x-rays. They discharged him with several hours so we took him out to eat so we could observe his condition before taking  him back to his RV at tbe track.

That was a scary moment for us to see him crash and and hope I never witness it again. On a side note, while we were waiting at tbe hospital,  I missed tbe 1st round of actual eliminations in street ET and the last qualifying round in super eliminator.  Oh well.  I now had to go into eliminations on Sunday with no good data but making a choice between racing and being there for a friend in need was a no brainer.

Sunday morning came fast and we were back at the track uoading and prepping for 2nd round eliminations for street ET.  They have this weird auto buyback if you loose 1st round. Everyone essentially comes back to race again to see who truly advances into  3rd round. I dialed the bike in at a conservative 10.68 thinking I'd be okay and would just race the stripe.  I staged up and left the line on what I felt was a decent pass. As I approached the finish line I chopped throttle a little because I didn't immediately see my opponent close by. Oops,  wrongs answer because he flew pass me for the win. I only ran a 10.80 on the pass. I had a much better light but my 60' time was only a 1.60 whereby tbe previous shirt time was 1.46. Crap, I probably would have lost anyway because I didn't launch the bike very well.  Such is a part of drag racing. I had one more ass to contest so I tried to refocus my attention.  Super eliminator didn't run until after the pro classes so I checked tbe bike over again and walked away feeling I had covered my bases. I put the bike in the staging lanes early so I could help a few 4.60 index racers. When the time came for super eliminator,  I was feeling confident that the bike would do just fine. My opponent was riding a much quicker H2 dragbike running off a 9.09 index. My index was set at 10.30 because I had actually reset my own record a the Rickingham event. I never check the ladder sheet or index board before rolling into the waterborne and was thinking I was still running off my record of 10.42 from last season. Well,  I stage up against the Kawi 2 smoke and throw the clutch lever but apparently I didn't get the rpms up high enough and the bike bogged off the line. I proceeded to watch the shift light so I could hit every shift points t. A was going fair until I pressed the button for the 4-5 shift and tbe dang thing didn't shift initially.  I bumped tbe button again and it went in gear. By this time I was near the stripe but that 2 stroke buzzed past me like a swarm of angry bees looking for a victim.  His win light came on, ending my day. I ran A 10.45 @120MOH.  It seems I scrubbed about 4 mph off so I definitely chopped throttle too soon.

Although the weekend didn't go as planned,  I still had fun. I'll sort my shifting issues out a bit more and do some testing soon. I've got some things I need to change on the bike in the off season to make it better. I'm determined to throw a nitrous bottle in this thing to see how a SOHC handles spray. I won't consider adding the oxidizer until I make consistent motor passes.  On a side note, I ran into a gentleman by tbe name of Johnny Bond Illinois.  He's an old drag racer from way back. He shared with me his experiences as being tbe first person to put nitrous on a bike after having a custom system made by NOS. Bottom line,  he tore up a bunch of parts until he got a handle on horsepower in a bottle.  He said tbe engines will respond quite well to spray.  So stand by people,  we will find out in the near future.

Offline RAFster122s

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Re: Re: 2021 Man Cup finals at SGMP, November 18-21.
« Reply #45 on: November 22, 2021, 10:01:13 PM »
Frank, glad you helped a friend in need, right call every time.
Hope things go smooth in prep for next session and you get things sorted out. Too bad you cannot get some practice in...
David- back in the desert SW!

Offline dragracer

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Re: Re: 2021 Man Cup finals at SGMP, November 18-21.
« Reply #46 on: November 22, 2021, 11:20:55 PM »
Frank, glad you helped a friend in need, right call every time.
Hope things go smooth in prep for next session and you get things sorted out. Too bad you cannot get some practice in...

I've known my friend for 15 years. He's a good dude and well liked by everyone who races. I know he'd be there for me if anything bad happened.

As to the bike, I have a few things to try this week.  I may sneak to a track on the weekend if the weather warms up.

Offline Old Scrambler

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Re: 2021 Man Cup finals at SGMP, November 18-21.
« Reply #47 on: November 23, 2021, 08:17:36 AM »
Good on you for helping a friend :) :) :)

I know that frustrated feeling ;) ;)

Thanks for the report and your commitment to 'fun' with a SOHC ;D 
Dennis in Wisconsin
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Offline dragracer

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Re: Re: 2021 Man Cup finals at SGMP, November 18-21.
« Reply #48 on: November 29, 2021, 08:12:53 PM »
Quick update.  My friend is recovering very well. He decided not to make the 8 hour trip back home alone in his rv but stopped at a girlfriend's home about 2 hours from the track. She'll take good care of him until he's healed up and feels good enough to drive the remainder of the distance home.

As to checking the bike over and making some changes, I didn't get anything done last week. AS a result,  I never made it to the track to test this past weekend.  I'm going to order a new electric over air solenoid and a new air cylinder tomorrow and get them installed Friday night.  With the weather warming up this weekend,  I'll try to get to one of the local dragstrips to test the air shifter. I'll take a nitrous bottle with me. If the bike shifts correctly on back to back passes, in goes the bottle 🍼.  I'd really like to close out 2021 with a few nitrous "bangs".

Offline Don R

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Re: Re: 2021 Man Cup finals at SGMP, November 18-21.
« Reply #49 on: November 29, 2021, 08:37:24 PM »
 Good luck getting it figured out and I'm glad your friend is doing OK.
  I picked up a couple of old SOHC drag bikes recently and made a friend of a former Honda racer. I'm hoping for some advice from him when I get something running. He wheelied over on his back at Cordova this year on a busa but is doing OK, just needed some stitches on his elbows.
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