badbird5.7

should i use a programmer on my stock ls1? if yes what's the best one?i heard that they are not good for domestic cars that they can hurt your engine is this true

1NCZ28

No, Never.....they are a waste of money. Find yourself a local tuner shop that has either LS1EDIT, HPTuners, EFI-Live for tuning software and get it done correctly....ON THE DYNO.

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2001 Z/28 6speed. TSP 231/237 598/595 112 cam, PRC .660 lift valve springs, titanium retainers, TSP 7.4 hardened push rods, Lid w/ Amsoil filter, Longtube headers, TSP true duels, richmond 4.10 gears, SLP maf, LS2 timing chain and gear set, Clevite rod and main bearings, ARP rod bolts, Power bond 25% UD pulley, Custom tune by RPM performance, BMR subframes, BMR LCA's, Edelbrock TQ arm, BMR panhard bar,315/35/17 MT ET streets on black ZR1's... 395 rwhp 381 rwtq

Phate

Okay, let me give you the low-down on power programmers and chips.

Unless you are getting the super expensive versions, all they do is lean out the fuel mixture, adding horsepower. Thats all good and well on a stock car (even though it is doing damage slowly) but, all you have to add is a few power adders and you're screwed royally.

You'll find numerous horror stories about people using hypertech programmers then add headers and exhaust and an intake and blowing the motor from going lean.

Stay far far away my friend. Wait until you get some motor work done, then dyno-tune it. Until then, leave her be.

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SpecialK

Custom tunes > Grenade timers.

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23:23] blkIROC355: sometimes when i pee i make that sound the light sabers make
[23:23] SpecialK LS1: lmao
[23:23] blkIROC355: and play with the stream
[23:23] SpecialK LS1: that's just wrong

Scary Guy

I used a programmer on mine.But that was before i really had any mods done.But it was properly tuned once the procharger went on.

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badbird5.7

what about a throttle body how big can i go with the stock intake? is a 90mm to big?

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Scary Guy

I think 78mm is the biggest with a stock LS1 intake.

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SpecialK

Just port your stocker, you don't need bigger till you start working on the internals.

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23:23] blkIROC355: sometimes when i pee i make that sound the light sabers make
[23:23] SpecialK LS1: lmao
[23:23] blkIROC355: and play with the stream
[23:23] SpecialK LS1: that's just wrong

FBC Performance

Don't change your throttle body or intake manifold until you add new heads.

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fbodycentral.com.....Specializing in Late Model GM Performance 410-242-0404

joedabbs2001

What does porting the ithrottle body do as far as horsepower? I took the MAF off the other day and could see gunk in the throttle body. Is that just a little wear from 68k on the clock? It is stock LS-1

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Joedabbs2001