what is the weak link in the ls1 motor?
The rods & rod bolts are to weak for any extra HP, And the piston ring landing also are **** to brake .And then the rocker arms are bad for falling apart then the push rods are bad for bending. Besides that all is good.
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Verdad Gallardo I under stand that, If you use the stock pistons, you will have a very small section of rods, Because most after market rods have bushings for free floating wrist pins and the stock pistons & rods are press fit pins.
Out of a LS1 block !!!! You better have deep pockets ,LOL... The block will need sleaved. It will be cheaper to go with a after market tall deck block for the long stroke. . Im building a 430 out of a LS3 block with a 4.090" bore & 4.100 stroke
Last edited by Randy WS6; Dec 6, 2010 at 02:29 PM.
Rod bolts are only prior to 2002. Rods are weak but it depends on your set up I have seen many of cars with 100K miles on stock bottom ends running 600+ rwhp. I have 112K on my LS1 and its a H/C/I/E with a 150 shot
true to this. Upgrading simple valve train components like your push rods, rockers and valve springs will make it last and hold up to more power. The Rod bolts in 01 and 02 I believe were okay but still not the best.
On The Tree
Joined: Feb 2009
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Hate to break it to you, but hitting 10s with only a cam I feel is harder than you think. You are going to have to take a bunch of weight out, get some cool suspension with slicks, and drive the **** outta you car.
Thread Starter
Teching In
Joined: Aug 2010
Posts: 49
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From: coal city, il
No I have other stuff done to the car. Have slp lid,have fins cut out of air box,polished maf,coolant lines reran off of tb,ls6 intake,ls6 heads, s15 speed Inc. Cam right now want to put in ms4.AC removed. 12 way Qa1 suspension, aftermarket torque are, rear control arm with relocation brackets,weld 10 holes. With skinnys in front and cheater slicks in rear.
