Ls1 build
Ls1 build Ok guys so I have a 02 ws6 auto car. It has 151k miles on it and still runs good but I'm getting a new transmission and stall since mine slips. So my question is what could I build for 3-3500 dollars? What would be the best bet if that is my budget? I want nitrous in the future just not right now. I would also like a cam that lopes. I just look at so many different cams and heads then short blocks I don't know what would be the best deal? So any suggestions would be awesome.
Well nitrous will speed up the requirement of a new engine. 
Ive seen guys put heads, cam, full bolt ons on a 140K ls1. But at 151k, I might at least change out bearing on the bottom end. Suck to put thousands on H/C/I and your **** blows up or the bottom end goes out.
As for what heads, cam, etc.....what are your goals? HP? Track? Drag? Autocross?
Ive seen guys put heads, cam, full bolt ons on a 140K ls1. But at 151k, I might at least change out bearing on the bottom end. Suck to put thousands on H/C/I and your **** blows up or the bottom end goes out.
As for what heads, cam, etc.....what are your goals? HP? Track? Drag? Autocross?
Thanks for the reply dreww...the main thing I do in my is drag race it but It is my daily driver too. But yea that's why I asked this question I wonder if I should just get my lower end freshened up? Or if I should get forged pistons and rods? This kid I know say he has some ls6 heads cncd and has patriot dual valve springs for a 1000, is that a good deal?
Do not be afraid to mod the engine with 151,000 on it. If it is still running good just go for it. My dailey driver is heads/cam and all the bolt ons making 452/418. It now has 255,000 + miles on it and is still running strong. I red line at 6500 since the cam I use peaks at 6200-6300. These LS series engines will last a long time if your treat them right. Mine has been a heads and cam car for over 200,000 miles and has been driven like a hot rod its whole life with no issues...
Thanks for the reply dreww...the main thing I do in my is drag race it but It is my daily driver too. But yea that's why I asked this question I wonder if I should just get my lower end freshened up? Or if I should get forged pistons and rods? This kid I know say he has some ls6 heads cncd and has patriot dual valve springs for a 1000, is that a good deal?
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If you're gonna run nitrous down the road go with a good set of forged pistons and possibly a connecting rod upgrade. Your stock crank is fine. I am running the ms4 with an m6 and 3.90 rears. I have an slp air lid, BBK SSI intake, 1 7/8 lt's and magnaflow exhaust. The car put down 390 at the rear wheels with a cylinder that was down. You'll see some negative posts about the ms4 and it will require valvetrain maintenance after about 20k miles, i.e. valvespring replacement. The car will sound totally awesome. I am rebuilding the engine because of the cylinder and upgrading to PRC stage 2.5 5.3l heads and mahle powerpack pistons with stock rods and ARP rod bolts.
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Verdad Gallardo If you're gonna run nitrous down the road go with a good set of forged pistons and possibly a connecting rod upgrade. Your stock crank is fine. I am running the ms4 with an m6 and 3.90 rears. I have an slp air lid, BBK SSI intake, 1 7/8 lt's and magnaflow exhaust. The car put down 390 at the rear wheels with a cylinder that was down. You'll see some negative posts about the ms4 and it will require valvetrain maintenance after about 20k miles, i.e. valvespring replacement. The car will sound totally awesome. I am rebuilding the engine because of the cylinder and upgrading to PRC stage 2.5 5.3l heads and mahle powerpack pistons with stock rods and ARP rod bolts.
Why will that cam require maintenance? So what's a good head to go with on a budget...I've seen some head and c combos on advanced induction I just don't know how to pick the right combo...
I only have 78k on mine, but from what i've seen these motors are exceptionally reliable if taken care of, and can handle a HCI build with up to a 150 shot of nitrous on the stock internals. Of course a good tune and properly working engine are essential
I just meant that the valve springs need to be replaced around 20k miles from what I was told. The ms4 has a high lift that is hard on valve springs. The PRC's I mentioned are a very budget friendly set of heads for fully CNC'd heads that already have springs installed for .650 lift. Talk to one of the guys over at Texas Speed & Performance. They will give you the best advice on a head/cam combo. You can't run my head cam combo with the stock bottom end. You'd have to flycut the pistons. As I said, if you wanna run nitrous down the road you are probably at the very least going to wanna run a set of forged pistons on the bottom end.
The first no was do not rebuild the bottom end at this time. If the engine is still in good running order. The second no was the "deal" for $1000 on those used heads was not really a good deal. Check around you can find some good deals on a new set of cnc heads. Yes go ahead a do a cam and head swap.
Well the kid I know said the ls6 heads have Already been cncd and port n polished comes with everything with patriot dual valve springs that are good to .650 lift. And he will throw in the 78 fast intake for cheap do 1250 total is that a good price. Then I looked at the ms4 cam I'd say that's everything I want In a cam. Then I guess just get forged pistons and rods. Do I need bigger injectors?
