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will the l92 heads a cam make 500hp on a lq4?

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Old 05-23-2008, 10:26 PM
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Default will the l92 heads a cam make 500hp on a lq4?

First let me say hello to everyone on this site. I own a 86 s10 with a 406 old school sbc. 11-1 580solid roller. I am thinking of buying a lq4 and doing the l92 conversion on it. Saw the article in car craft. Is it really that easy. my truck runs 6.60 on motor now and would love to get in t o a ls based motor. Looking for n/a combos or small shot.

help me get into the 21st century.
Old 05-23-2008, 10:45 PM
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i have the same engine as the car craft build and it runs great, pulls hard to 7500 rpm, ill have track times in a couple weeks, it will easily be in the 10's now, not too bad for an engine that is all stock gm truck parts exept the cam and valve springs

http://www.carcraft.com/techarticles...ads/index.html







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Old 05-23-2008, 11:20 PM
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thanks for the info. what did you run for headers in s10,and what nounts? I've been racing years and kinda stayed with tried and true sbc but was thinking of putting one in the s10. I'm thinking of staying with my t350 it has a 4000 stall and 9 inch with 410 in it.
Old 05-23-2008, 11:34 PM
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^I know what my next engine is: 408 with L92!! cheap and fast!! grats on the nice build
Old 05-24-2008, 01:31 AM
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Originally Posted by retro1977
thanks for the info. what did you run for headers in s10,and what nounts? I've been racing years and kinda stayed with tried and true sbc but was thinking of putting one in the s10. I'm thinking of staying with my t350 it has a 4000 stall and 9 inch with 410 in it.


sanderson ls1 headers and e-bay ls1 s-10 mounts
Old 05-24-2008, 09:13 AM
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any pictures of your truck
Old 05-24-2008, 10:46 PM
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Old 05-24-2008, 11:13 PM
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6.60's in the 1/8th on motor is fast. that will be a tall order to beat...

Last edited by RoDan; 05-25-2008 at 02:06 AM.
Old 05-25-2008, 07:34 AM
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its a 40 over 400 with 5.7 rod je pistons motown 220 heads with ti/valve and a cam motion solid. Would like to go with something I could run on pump gas and not be worried about wild spring pressures all the time. would the lq4 hold a small shot on top of the 500 n/a ?
Old 05-25-2008, 07:36 AM
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I noticed you have a sniper kit on truck. Did you have it on the old set up 11.20's was that n/a or on the spray?
Old 05-25-2008, 08:43 AM
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Originally Posted by retro1977
I noticed you have a sniper kit on truck. Did you have it on the old set up 11.20's was that n/a or on the spray?


100hp jets
Old 05-25-2008, 09:23 AM
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cant wait to see what you run with it. how much spray do you think you a stock bottom end lq4 will hold safely.
Old 05-25-2008, 10:11 AM
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Originally Posted by jay_lt4
100hp jets
Thats a sweet S10
Old 05-25-2008, 10:55 AM
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Originally Posted by retro1977
cant wait to see what you run with it. how much spray do you think you a stock bottom end lq4 will hold safely.


i have arp rod bolts, the bottom end will easily handle 150-200hp , the stock rod bolts seem to be the weak point on any LSX engine, and shim the oil pump spring .100" for more pressure, and the stronger LS2 timing chain(actually i think any gm chain you order now will get you the better chain)
Old 05-25-2008, 11:06 AM
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I made 446/416 with my LQ4 build... not exactly like the one in carcraft... but I can see 500 being an easy goal with that build... I still have A LOT of room left on my build and all i'm lacking is a little over 50rwhp to hit 500... problem is, i'm pretty content with the power it has now, and I need supporting mods on the car to handle anymore power... i.e. rear end, injectors, etc...

good luck with your build!
Old 05-25-2008, 11:11 AM
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well you must be 500 or better at the crank.
Old 05-25-2008, 11:29 AM
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a little off the subject,, anyone else watching TRUCKS on SPIKE today

they built a 95 s-10 355, 871 blower, dual carbs, th400 trans brake, 3500 stall, 5.29 gears, tubbed out 9" rear


it ran a 7.11 1/8 mile(that converts to 11.12 1/4 mile)


THAT IS TERRIBLE,,,, this was an all out race truck
Old 05-25-2008, 04:21 PM
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yeah I seen it before, pretty sad when my small tire truck would it him up lol. Thanks for all the help from everyone i think I'm gonna pull out my 406 and maybe do up a lq4. I would like to be able to be close to were I am now even if I have to spray alittle.
Old 05-27-2008, 10:51 AM
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Keep in mind that ALL of CarCraft's numbers are at the flywheel.
Old 12-20-2010, 01:35 AM
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Originally Posted by jay_lt4
i have the same engine as the car craft build and it runs great, pulls hard to 7500 rpm, ill have track times in a couple weeks, it will easily be in the 10's now, not too bad for an engine that is all stock gm truck parts exept the cam and valve springs

http://www.carcraft.com/techarticles...ads/index.html







.
They used the stock bottom end didnt they? With the dished pistons and all? I want to do this build as well, im just trying to get all the details I can.



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