ProEFI

First of all, I wish this is not a duplicate thread. The reason I am asking for this, is to come up with an average, deviation, max and min numbers for LS7 output on stock block on the dyno.

Please do mention the dyno, temperature, barometer; "mileage", also adding the max torque would be great as well.

I am starting to get a little dissapointed with my Z, not the Z in general just my personal Z. For some reason, I think I own the slowest Z in the planet, and just to know how long the stock short block will handle the power now I am putting down 608whp @ 6PSI Procharge D1SC + Kooks 1-7/8 with off road x-pipe .. everything els is stock .. planning to add cam kit .. not sure if the short block will handle until the 700hp or not .. that's why I post this thread to make sure i'm in the safe mood.


thanks.

croatbob

755whp on pump with ysi on 6lbs no meth. stock bottom end with aggressive cam, mast 305 heads. kooks headers, corsa mufflers. stock fuel system besides injectors n bap

Unreal

Made 705rwhp on 91 octane, 6psi on Si-trim. 700rwhp is fine with a good tune. Heck, 750-800 is fine if the tune is spot on.

1320IN9

Stock ls7 3,800 miles
11psi 755/657
Cam, headers with cats, meth, usual supporting mods.

ProEFI

So it's fine to go up with the stock end cause so many guys here told me it's hard to go up with 700hp without a pistons and roads cause it's too weak on LS7.


thanks everyone for answering

lt1z

753 on an LS3 with a Ti trim

Detoxx03

780 d1sc ls3

1320IN9

More than a handful of people pushing over 800 on a stock ls7, make sure you have a good tuner and you should be fine between 700-800 no problem.. Let us know how you make out

croatbob

11psi on stock ls7? brave man

Unreal

Not really. What do you think your car would be without the heads/etc. Probably around 11psi. 750rwhp of cylinder pressure is the same on a piston whether at 7psi or 11psi. Just because his heads/cam don't flow as much and creates more intake back pressure doesn't make it riskier.

croatbob

7lb stock head. 5.5-6lb with the mast 305. no other charges were made

1320IN9

Lol..

Unreal

Either way, 750rwhp is just as brave as your 750rwhp. The pistons don't care about boost, just cylinder pressure.

breecher_7

YUP!! Better flowing heads... Bigger exhaust... Both will reduce boost pressure but the power will still be there.

Blue by U

Ls7 ,stock bottom end 740 hp. A&A v3 t trim 8 psi

Mach Z

You guys should post who your tuners are/were because finding a good tuner who has already made it happen is better than hoping you found a good one.

ProEFI

most of the tuners are known as I know, but the guys may help you soon.


in Kuwait
there is a guy named Sadeq Taqi @ Taqi's performance he tuned my car and faisal Dashti @ extreme garage those are the best tuners in Kuwait.

WHITE_SHARK

subscribed! you guys pushing the LS7 to its limit!

C6BIX

418 Built Stroker with YSI 15 pounds
E85 and Meth
950 RWHP

Mach Z

I've talked to "some" of the top tuners on this site and some didn't want to even go/recommend above 650whp on the ls7. Yes i know people have done it but this is coming from what 99% of this community would consider to be great tuners which is why it makes it so much harder when people say find a good tuner because I've contacted the obvious ones and they weren't saying 750 which is why I feel they aren't as known as some may think. And if they happen to be some of the shops I've already called that means people said to them "this is my goal make it happen with as safe a tune as you can give me", then coming back here and telling everyone it's safe, even though the tuners "actual safe tune/limit" is long gone.