JKearney30

iTrader: (2)

OK I got a lot done last weekend and am curious where I should be at and am asking for help.

1998 Z28 A4

Volant CAI, Pacesetter LT's, !air, !egr, ORY, Borla Catback, 3.73 gears and LS6 intake. I did not get a tune yet, that is coming with tax return money. Where do you think I am before tune and what about after the tune.

Thanks everyone

RARON455

iTrader: (35)

I think your in the wrong forum category you need to be here
https://ls1tech.com/forums/dyno-bench-racing-forum-150/
my first guess is 328 rwhp

bayer-z28

iTrader: (14)

^ x2... 328rw before the tune.

~340rwhp with the LS6 intake after a tune..

01ssreda4

iTrader: (96)

330.6567 whp with tune

BOBS99SS

iTrader: (2)

^ I'm gonna say just a lil under 328 without the tune,should gain 10 or a lil more from the tune ,are you waiting on a stall for when you get the cam?

skopers3

iTrader: (3)

I'm pretty close to you - mods in sig - and dynoed 336.

allout06

iTrader: (11)

Just outta curiosity, what if he was an M6? Then about how much?

Average Joe

Just had mine tuned recently, only difference between our mod are a p&p TB and FTRA, put down 340 rwhp and 347 TQ on a dynojet with a yank 3200 stall though. Car is a 2000 Trans Am.

SVThuh

iTrader: (2)

325 without a tune, 340'ish with.. Depending on which dyno you go to..

Dyno numbers dont really mean **** in the real world though.. They are a tuning tool and the numbers should only correspond to positive or negative progress both in peak and under the curve numbers.

PheonixLS1

iTrader: (4)

Um, not trying to hack your thread or anything, but if these are the numbers what is the rwhp stock?!?!?!?! The motor is 325hp w/ RAM air package. So he would only gain 15hp here??? WTF!!!

JKearney30

iTrader: (2)

Thanks for input everyone, greatly appreciated.

01ssreda4

iTrader: (96)

The 325 is rated at the flywheel. In wheel hp numbers an auto dynos stock between about 290-310. Manual cars have less drivetrain power loss so they tend to dyno a little higher, probably between 300-320 stock. Factoring in drivetrain loss of even 10% on the manual, thats 350 hp at the flywheel. So they were under-rated stock

Average Joe

^^^ So, with that being said, I imagine it's safe to assume a full bolt on LS1 would be making around low 4xx range at the crank?^^^

conor.davis

iTrader: (20)

I'd guess more like 370-380

senicalj4579

iTrader: (41)

You have the same mods as me in my sig. So your looking at around the same #s. I just havent had my car tuned for the full exhaust yet though. So there maybe another 5-10hp left. Ill get the tunes after I do the ss3600 and 3.73.

Average Joe

@ Conor, If you take the math of 18% average drivetrain loss, then multiply it by the rwhp it should give approximate crank hp, also take into account friction, higher stall torque converters and gear and rear end differences. My car made 340 rwhp through a yank 3200 converter and 3.73 gears. So I figured 19% loss, which gave me 401.6 crank hp.