ARP rod bolt question/concern
07-31-2005, 08:43 PM
#11
Originally Posted by ranwalk
Interesting info. Since Futral built my engine I trust if any modification was needed he would have done it. Looks like nobody is 100 percent certain though. I know it seems alot of guys are runing ARP bolts with no problems though. If I were to do it over again I would probably go with the Katech bolts, just because of what thier ad says.
08-01-2005, 12:27 AM
#12
i didn't do anything special. just slaped them in and ran it.
i dont think they are even needed unless you are reving it up high, like over 6200 or so. the high hp doesn't hurt rod bolts but the high rpm's do.
i reved that 6.0 to 6800 many times before i got the turbo. after the turbo i shifted much sooner.
i dont think they are even needed unless you are reving it up high, like over 6200 or so. the high hp doesn't hurt rod bolts but the high rpm's do.
i reved that 6.0 to 6800 many times before i got the turbo. after the turbo i shifted much sooner.
08-01-2005, 01:58 AM
#13
Originally Posted by parish8
i didn't do anything special. just slaped them in and ran it.
i dont think they are even needed unless you are reving it up high, like over 6200 or so. the high hp doesn't hurt rod bolts but the high rpm's do.
i reved that 6.0 to 6800 many times before i got the turbo. after the turbo i shifted much sooner.
i dont think they are even needed unless you are reving it up high, like over 6200 or so. the high hp doesn't hurt rod bolts but the high rpm's do.
i reved that 6.0 to 6800 many times before i got the turbo. after the turbo i shifted much sooner.
08-01-2005, 05:05 AM
#14
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i'm using the pro series in 2 motors with no problems. one engine i did check the rod sizes and they never changed, the other engine i just bolted them in. with the cracked cap design i don't see where resizing would be needed. the bolts do not locate the cap like a conventional sbc.
08-01-2005, 10:43 AM
#15
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Originally Posted by parish8
i didn't do anything special. just slaped them in and ran it.
i dont think they are even needed unless you are reving it up high, like over 6200 or so. the high hp doesn't hurt rod bolts but the high rpm's do.
i reved that 6.0 to 6800 many times before i got the turbo. after the turbo i shifted much sooner.
i dont think they are even needed unless you are reving it up high, like over 6200 or so. the high hp doesn't hurt rod bolts but the high rpm's do.
i reved that 6.0 to 6800 many times before i got the turbo. after the turbo i shifted much sooner.
What happend to the 6.0? I mean what failed?
. it was a sad way to take out a motor that had put up with so much. 
08-01-2005, 03:30 PM
#17
I think the cracked rods are all the difference as there is no way to resize them like a regular sbc rod. This past friday I stopped by Futral and picked up some 'pros' that I will be putting in when I drop the pan to fix my oilpump o-ring some time this week. The ARP Pro LS1 rod bolts are all they stock and are the only ones Allen uses. When I talked with him briefly about doing them, he made no mention of any resizing as he has made numerous 'in car' rod bolt swaps.
08-01-2005, 08:06 PM
#18
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i dont know about the "cracked cap" rods, but w/ the older style stuff you have to resize the rods when installing new bolts. for 2 reasons...the cap will be located a little differently due to the new bolt, and the ARP bolts clamp so much better that it will slightly distort the bore. this may be different for the cracked cap rods, i dont know for sure.
i do know that you can resize some "cracked cap" rods, you have to use an oversize rod bearing since you cant cut the mating surfaces. now whether or not there is an oversize rod bearing offered for an LS1 type engine, i dont know.
the shop i work at all we get to work on from these engines is cylinder heads, and not many of them. i know this info doesnt help much, but there it is, lol. CHIP
i do know that you can resize some "cracked cap" rods, you have to use an oversize rod bearing since you cant cut the mating surfaces. now whether or not there is an oversize rod bearing offered for an LS1 type engine, i dont know.
the shop i work at all we get to work on from these engines is cylinder heads, and not many of them. i know this info doesnt help much, but there it is, lol. CHIP
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