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Author Topic: Rod bolts  (Read 3435 times)

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Offline Doctor_D

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Rod bolts
« on: February 24, 2010, 07:13:00 am »
Does ARP or similar make replacement rod bolts for 750 rods?

Alternately, are the OEM bolts sufficient for a warmed-over 836?

Thanks in advance,
David
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Take care,
David
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Offline Sam Green Racing

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Re: Rod bolts
« Reply #1 on: February 24, 2010, 07:29:35 am »
Hi David, You can get rod bolts from our forum sponsor APE, see their kit at the top of the page.

Sam. ;)
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Offline MRieck

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Re: Rod bolts
« Reply #2 on: February 24, 2010, 07:54:50 am »
APE doesn't offer rod bolts as far as I know Sam. The only alternative I've found are the F2 bolts. Reworking the rods (polish beams, balance, shot peen) is a good idea too. I know someone who I did a set for that has to sell them......they only need the bolts and nuts. Never used.
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Offline bucky katt

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Re: Rod bolts
« Reply #3 on: February 24, 2010, 08:07:22 am »
i have a set of f2 rods, shotpeened, polished with larger bolts fitted in them. i wish i could remember what shop was doing these.
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Offline Sam Green Racing

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Re: Rod bolts
« Reply #4 on: February 24, 2010, 08:10:20 am »
Quote from: MRieck on February 24, 2010, 07:54:50 am
APE doesn't offer rod bolts as far as I know Sam. The only alternative I've found are the F2 bolts. Reworking the rods (polish beams, balance, shot peen) is a good idea too. I know someone who I did a set for that has to sell them......they only need the bolts and nuts. Never used.

I'm perhaps confusing APE with ARP, you do realise I do have an excuse. :D :D :D :D :D

Sam. ;)
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Offline BLUE71TURBO

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Re: Rod bolts
« Reply #5 on: February 24, 2010, 08:29:42 am »
Quote from: SamCB750A on February 24, 2010, 08:10:20 am
Quote from: MRieck on February 24, 2010, 07:54:50 am
APE doesn't offer rod bolts as far as I know Sam. The only alternative I've found are the F2 bolts. Reworking the rods (polish beams, balance, shot peen) is a good idea too. I know someone who I did a set for that has to sell them......they only need the bolts and nuts. Never used.

I'm perhaps confusing APE with ARP, you do realise I do have an excuse. :D :D :D :D :D

Sam. ;)

SAM, You don't have to apologize for your "senility" !   ::)  :D :D ;D
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Offline Doctor_D

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Re: Rod bolts
« Reply #6 on: February 24, 2010, 08:36:52 am »
Quote from: MRieck on February 24, 2010, 07:54:50 am
APE doesn't offer rod bolts as far as I know Sam. The only alternative I've found are the F2 bolts. Reworking the rods (polish beams, balance, shot peen) is a good idea too. I know someone who I did a set for that has to sell them......they only need the bolts and nuts. Never used.

Wish I knew, but I've already started working on the rods and have removed the casting flash and balanced big-ends and small ends.  I'm dropping them off for magnafluxing, shot-peening and cryo treatment today and will polish them upon their return.

All I need to source now is heavy duty replacement rod bolts.  If the OE replacements will suffice, I'm OK with that.
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Take care,
David
___________________________________________
1975 CB 750F - Project page: http://forums.sohc4.net/index.php?topic=66026.msg725479#msg725479
1978 CX500
1971 Norton Commando

Offline Doctor_D

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Re: Rod bolts
« Reply #7 on: February 24, 2010, 12:57:25 pm »
If I'm reading correctly, the F2 rod bolts are sufficient and/or recommended for my application?

Is there any machine work necessary to use them?  If so, what needs to be done?
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Take care,
David
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1975 CB 750F - Project page: http://forums.sohc4.net/index.php?topic=66026.msg725479#msg725479
1978 CX500
1971 Norton Commando

Offline bwaller

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Re: Rod bolts
« Reply #8 on: February 24, 2010, 01:45:09 pm »
Nope, just bolt em up. Use the same bolts on the 550.
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Offline Sam Green Racing

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Re: Rod bolts
« Reply #9 on: February 24, 2010, 10:47:42 pm »
Quote from: BLUE71TURBO on February 24, 2010, 08:29:42 am
Quote from: SamCB750A on February 24, 2010, 08:10:20 am
Quote from: MRieck on February 24, 2010, 07:54:50 am
APE doesn't offer rod bolts as far as I know Sam. The only alternative I've found are the F2 bolts. Reworking the rods (polish beams, balance, shot peen) is a good idea too. I know someone who I did a set for that has to sell them......they only need the bolts and nuts. Never used.

I'm perhaps confusing APE with ARP, you do realise I do have an excuse. :D :D :D :D :D

Sam. ;)



SAM, You don't have to apologize for your "senility" !   ::)  :D :D ;D

JON, you're so kind.  :-\

Sam. ;D
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CB95 hybrid race bike
CB95 race bike
CB92
RS 175. sprint/land speed bike
JMR Racing CB750A street ET drag bike

Offline kos

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Re: Rod bolts
« Reply #10 on: February 25, 2010, 06:43:07 am »
Quote from: Doctor_D on February 24, 2010, 07:13:00 am
Does ARP or similar make replacement rod bolts for 750 rods?

Alternately, are the OEM bolts sufficient for a warmed-over 836?

Thanks in advance,
David

New OEM rods bolts will work fine in an 836cc engine. Russ Collins used to enlarge rod bolt holes to accept small block,Chevy HD rod bolts of 11/32 ". Claimed to be 4 times stronger than stock Honda bolts.  Must be done by good machinist with proper machine. Not on drill press!


KOS

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Offline wannabridin

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Re: Rod bolts
« Reply #11 on: February 25, 2010, 10:59:38 am »
doctor,

do you have any pictures or anymore info about the flash removal and other tid bits you've done to the rods?  thanks!
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Offline Big Jay

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Re: Rod bolts
« Reply #12 on: March 04, 2010, 08:42:27 pm »
Sam;
We sure appreciate you putting in the plugs for us, even when it is something we don't carry :D :D :D

Back in the day, the rods were modified to take 289 Ford bolts.
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