LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Stock rods with forged pistons yes or no

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Old 10-26-2009, 02:25 PM
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Default Stock rods with forged pistons yes or no

My buddy is on a budget and is only putting in forged flattops for spray and adding arp main studs and rod bolts. But he is wondering if the stock rods will be able to handle the abuse of nitrous with a LE2 package. Its a automatic with a 4.10 gear if that matters. If the rods wont handle the abuse what rods can he throw in there on the cheap end but quality? if any
thanks, Tom
Old 10-26-2009, 02:34 PM
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Originally Posted by SPRAYED Z
My buddy is on a budget and is only putting in forged flattops for spray and adding arp main studs and rod bolts. But he is wondering if the stock rods will be able to handle the abuse of nitrous with a LE2 package. Its a automatic with a 4.10 gear if that matters. If the rods wont handle the abuse what rods can he throw in there on the cheap end but quality? if any
thanks, Tom
Just have the stock rods reconditioned and they will work fine!
Old 10-26-2009, 03:48 PM
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Originally Posted by SPRAYED Z
what rods can he throw in there on the cheap end but quality? if any
thanks, Tom
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Old 10-26-2009, 03:53 PM
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I would go with a cheap I beam. than arp bolts. The stock crank will handle lots of power, I would build a motor with no weaker link.


There are several companies with cheap rods. Look at summit, jegs, other supporting vendors listed on the right side of the home page. If he is roughly 400rwhp and than a 150-200 shot those rods will be the thing to go first.
Old 10-26-2009, 03:59 PM
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Its cheaper in the long-run to buy a set of scat rods for 300+ rather than to mess with the stock rods
Old 10-26-2009, 04:08 PM
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so a couple say no to the old rods and one says stays with original rods
Old 10-26-2009, 04:17 PM
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Im using stock rods and run a 400+ rwhp LE2 set up and plan on sprayin 200+. Im not worried about the rods.
Actually how many rod failures have you ever heard of??? Not many at all & I cant think of any off the top of my head at the moment. All you hear about is the stock bolts stretching and causing bearing failures.
Old 10-26-2009, 04:28 PM
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I went with the forged Scat I beam rods, dont remember the exact price but they were not to expensive
Old 10-26-2009, 04:58 PM
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A couple things popped into my head at first thought. Stock rods are press fit and will cost approx. $10 a rod to press pistons off/on, plus the cost to resize them and any clearancing needed on the sides of the rods as well, plus you are limited to 3/8 bolts. It's a little more up front, but worth it to go with a floating rod with 7/16 bolts for extra strength.

Strictly talking about the strength of the rod though, the stock rods will hold up fine as will an aftermarket I-beam.
Old 10-26-2009, 05:51 PM
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Id stick with stock rods and get arp bolts and hit it with the spray, there are a lot of peeps out there doin it and it can be done
Old 10-26-2009, 06:09 PM
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I plan on running my hyperuectic pistons, stock rods and LE2 car with a 150 shot. I feel comfortable with it. Just put the arp hardware in them and never look back.
Old 10-26-2009, 06:44 PM
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http://www.ohiocrank.com/hbeam_rods.html

Check these guys out. you can get some excellent rods with ARP harware included. This is what I will use when I decide to build my new motor.
Old 10-26-2009, 09:55 PM
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If you're going to all the trouble to replace pistons, you'd might as well invest in a decent
set of rods and fasteners. At least that way, you won't be tearing back into it again
because of a spun bearing.
Old 10-26-2009, 10:54 PM
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Stock rods with upgraded bolts will be fine.
Old 10-26-2009, 10:58 PM
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Originally Posted by SS MPSTR
Stock rods with upgraded bolts will be fine.
So you like stroker motors??????
Old 10-26-2009, 11:03 PM
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Originally Posted by AChotrod
So you like stroker motors??????
Hindsight. Had I known then what I know now, and had to build it on a budget, I'd have a 355 right now. Take it for what its worth.
Old 10-26-2009, 11:08 PM
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Nice I have a little 355 I plan on putting through hell. This thing will go 9s lol
Old 10-26-2009, 11:23 PM
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Originally Posted by AChotrod
Nice I have a little 355 I plan on putting through hell. This thing will go 9s lol
Don't get me wrong, the stroker is nice (especially in big block form), but since budget is a factor here that's what I recommend. I have a ton in building my LT1 engine twice because of an irresponsible shop.
Old 10-26-2009, 11:38 PM
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I am running forged pistons on my reconditioned stock rods. Just upgraded to ARP bolts and I think it should be fine. I am not gonna spray any more than a 125 shot so I don't see a problem at all.
Old 10-27-2009, 12:22 AM
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Y'all are going to make me feel bad about spraying a 100 shot on my 100% stock motor














not


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