Author Topic: Wade Cams (Read 5119 times)

Damage Inc · « **on:** December 19, 2014, 02:04:33 AM »

I'll be surprised if anyone can help me. I'm looking at making tuned headers for my 500. One of the figures I need for the formula is cam lifts and duration's. Last year I sent my cam of to wade cams to have a couple of chips repaired, upon its return I learned that they had previously, before I owned it, done a "mild street" grind to this cam(pleasant surprise). I had planned to get back to them for the specs. Unfortunately this last February saw the company close its doors permanently.
Does anyone have the details for this Wade Cam profile?

dave500 · « **Reply #1 on:** December 22, 2014, 01:16:40 AM »

if your savvy and have a degree wheel and dial indicator you can work it all out,did the grind have a number?you might be able to locate the specs for it somewhere online?

Damage Inc · « **Reply #2 on:** January 01, 2015, 01:58:55 AM »

I've just read that Clivecams(an ex Wadecams employee) has purchased some Wadecam profiles and grinders. Will see if I can find any numbers stamped on the cam shaft.
Not very savvy in the cam department just yet. Been doing a bit of reading, need to find out rocker arm ratio for the 500s, to determine lift.

dave500 · « **Reply #3 on:** January 01, 2015, 02:09:10 AM »

got a dial indicator?

Damage Inc · « **Reply #4 on:** January 01, 2015, 02:27:49 AM »

I've got access to one.

dave500 · « **Reply #5 on:** January 01, 2015, 02:29:34 AM »

measure the lobe lift,then lift at the rocker arm tip,youll see the true lift then,from there you can work out the rocker ratio.

Damage Inc · « **Reply #6 on:** January 01, 2015, 02:45:02 AM »

The track I was on went like this,
The longest lobe measurement(high point) minus the shortest (round) multiplied by the rocker arm ratio.
I don't have the cam in the motor.

dave500 · « **Reply #7 on:** January 01, 2015, 03:10:46 AM »

too much room for error that way?sit the cam in a head and use a dial indicator,then sit the cam in a rocker cover and measure the rocker movement,you don't need a whole live engine just for lift measurements,youll have no timing specs though.

Damage Inc · « **Reply #8 on:** January 01, 2015, 03:15:31 AM »

Should be able to manage that, I'll just have to chase up that dial indicator.

dave500 · « **Reply #9 on:** January 01, 2015, 03:27:46 AM »

sideways on do the lobes look symmetrical or one steeper ramp than the other on the same lobe?

Damage Inc · « **Reply #10 on:** January 02, 2015, 01:49:11 AM »

Quote from: dave500 on January 01, 2015, 03:27:46 AM

sideways on do the lobes look symmetrical or one steeper ramp than the other on the same lobe?

They look symmetrical

dave500 · « **Reply #11 on:** January 02, 2015, 01:56:58 AM »

ok the standard ones aren't,itll have a longer duration for sure,measure the overall height of the lobes,the lift might still be standard?

Damage Inc · « **Reply #12 on:** January 04, 2015, 03:09:29 PM »

The overall height is 34.8, while the round is 26.82.

dave500 · « **Reply #13 on:** January 04, 2015, 03:54:30 PM »

lift sounds pretty standard?inlets are about 35.8 and exhaust 34.6 depending where you get the specs from

Damage Inc · « **Reply #14 on:** January 04, 2015, 07:57:29 PM »

There doesn't appear to be any substancial difference between the inlet or the exhaust. About .05 variation over them all.

dave500 · « **Reply #15 on:** January 05, 2015, 12:15:38 AM »

yeah not much in it,its not a high lift cam,you have to be a bit carefull once you fit high lift cams,spring bind,valve to piston clearance plus if its on a used motor your suddenly running the valve stem further than it has been before into un worn area,crud above the seal can be pushed into the seal and start oil burning,the arc of the rockers can let the tip get very close to the edge and chip.

Damage Inc · « **Reply #16 on:** January 05, 2015, 01:01:14 AM »

Quote from: dave500 on January 05, 2015, 12:15:38 AM

yeah not much in it,its not a high lift cam,you have to be a bit carefull once you fit high lift cams,spring bind,valve to piston clearance plus if its on a used motor your suddenly running the valve stem further than it has been before into un worn area,crud above the seal can be pushed into the seal and start oil burning,the arc of the rockers can let the tip get very close to the edge and chip.

Hey Dave, while I've got you attention. I'm putting new pistons in this build, but I haven't got new piston pins(yet).. How do I know if the pins I've got are still serviceable or is it better to replace? I can feel some wear in the middle, about .05 at worst.

dave500 · « **Reply #17 on:** January 05, 2015, 01:10:20 AM »

most piston kits come with new pins and clips,silvers has the full range of oversizes for 500s.

http://www.davidsilverspares.co.uk/CB500K2-FOUR-1973-USA/part_233613/

Damage Inc · « **Reply #18 on:** January 05, 2015, 02:06:41 AM »

Quote from: dave500 on January 05, 2015, 01:10:20 AM

most piston kits come with new pins and clips,silvers has the full range of oversizes for 500s.

http://www.davidsilverspares.co.uk/CB500K2-FOUR-1973-USA/part_233613/

I've already got the pistons and rings. Didn't get as a set. But David silvers sell pins alone, and at that price it's worth getting some, to be sure.
Thx again.

dave500 · « **Reply #19 on:** January 05, 2015, 02:20:01 AM »

ok cool,if those 500 sets are the same brand as the 550 ones they'll be good,i have a 1st overset set in mine I had rebored a while ago and its great,i just ran them in hard and they are fine,been maybe 18 months now with plenty of Harleys rounded up thashing the little slugs up and down,they are good value those complete sets for that price!the guy I use to rebore is fussy and he measures each one and creates its own bore and numbers them for you,that helps with good break in and longevity aswell,find a guy who will do that for you.

trueblue · « **Reply #20 on:** January 05, 2015, 03:13:21 AM »

You can get more lift from a smaller lobe by making the base circle smaller, if you can measure the base circle of the standard cam and check it against yours. It is a cheap way of getting more lift without having to go to the effort of hard welding.

Damage Inc · « **Reply #21 on:** January 05, 2015, 03:22:27 AM »

Quote from: trueblue on January 05, 2015, 03:13:21 AM

You can get more lift from a smaller lobe by making the base circle smaller, if you can measure the base circle of the standard cam and check it against yours. It is a cheap way of getting more lift without having to go to the effort of hard welding.

Thx trueblue
I'm hoping to find out the specs on this cam next week

Quote from: dave500 on January 05, 2015, 02:20:01 AM

ok cool,if those 500 sets are the same brand as the 550 ones they'll be good,i have a 1st overset set in mine I had rebored a while ago and its great,i just ran them in hard and they are fine,been maybe 18 months now with plenty of Harleys rounded up thashing the little slugs up and down,they are good value those complete sets for that price!the guy I use to rebore is fussy and he measures each one and creates its own bore and numbers them for you,that helps with good break in and longevity aswell,find a guy who will do that for you.

I'm running standard, had the cylinders checked for tolerance and went with a hone. So none of those boring options really an option for me. Nice work though. So you run in hard from the get go?

dave500 · « **Reply #22 on:** January 05, 2015, 03:34:33 AM »

yeah don't let it idle,dont thrash the bejusus out of it,very the loads and don't lug the engine,sort of ride it fast but don't down shift with heavy engine braking,best done away from traffic so you don't get dumbarse stop lights,im lucky I live in the hinterland in that respect,i always warm up on fast idle as I gear up then don't start hard engine use for at least 10 minutes after riding always on any engine,gets the oil well circulated but more importantly things have expanded to a degree ready for action and less scrub wear,dont be scared to run to near 7 grand straight away on a new engine once warm.

Damage Inc · « **Reply #23 on:** January 11, 2015, 03:52:04 PM »

So I rang Clivecams today to see what help I could get on the cam specs. He said that going from the master number stamped on it, it had 312 lift and 320 duration at 2 thou. In saying that he felt that the 2 thou. Seemed strange and on the short side, thought it would have been more like 8 to 10. So not really clear, but something to work with. He said he still has masters to do these mods to these cams, but said he has heaps of work on, so would have to be prepared to wait a while.

Damage Inc · « **Reply #24 on:** October 04, 2016, 11:18:44 PM »

So these are a couple of videos I've shot to try and determine the lift and duration.

Roughly or perhaps even very roughly.
Part1:165deg-170deg duration with.304-.307 lift
Part2:160deg-170deg duration with.307-.312 lift

News:

Author Topic: Wade Cams (Read 5119 times)