GS Racing

As title really, for my LQ4.

Obviously I cant bore too much, but .060 over is supposedly safe enough would be a bonus as that takes it to 427 with the 4.125" stroke.

Wont be spraying it, purely N/A and pump fuel, with torque being the main thing I want, but 500hp+ top end is a big bonus.

The question is, who sells a complete kit? Being in the UK means it would be a lot easier to get it all sent over in bulk rather than buy lots of seperate parts to make up my own kit.

Thanks in advance.

GS Racing

Hi, just realised, can a Mod move this to the Gen IV section?

Although technically a LQ4 is supposedly Gen3, its closest to a LS2 which is Gen4 so I guess this is the wrong place!

180ls1

iTrader: (4)

you might want to look into the reliabality of that because i think it might pull the pistons too far down with that crank or cause other issues which is why you dont see anyone doing it. Most people build a 402 or 408. Now an ls3 i know can be punched out to a 427.

GS Racing

Its certainly been done going by searches on here, but I sure as hell cant find out who does what.

But yea, you might have a point and ill stick to a 408 for ease of it all....

1CAMWNDR

iTrader: (21)

I've done it. Though with a 4.07" bore LQ9 and a Compstar 4.100" crank. Wiseco makes the best piston for a 4.1/4.125 stroke and 6.125" rod. My car barely burns 1/2 quart every 3,000-4,000 miles. It is my daily driver and has had zero issues for @8,000 miles. I did fill the block with Hard Blok up to the water pump ports since I went a bit reckless with the bore. It never gets hot and even has a hard time getting UP to temp sometimes.

As far as I know there is no complete kit for this set up. I had to piece mine together.

Sales2@Texas-speed

iTrader: (5)

If your block is a Gen3 (cam sensor in block behind intake and knock sensors under the valley cover) the thread still belongs in here I'd stick with a shorter stroke on that block!