300rwhp = what @the crank Auto Tranny

hotstang_46

Member

Apr 11, 2007

481

4

18

Charlotte NC

Aug 13, 2007

#1

• Aug 13, 2007

• #1

Well, so I've read lots of threads and people with mods similair to mine are getting around 300rwhp. I should be about that right? And out of curiosity, what would that equate to @ the crank in my auto stang?

 

hotmustang331

Active Member

Apr 29, 2004

2,967

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48

Bastrop,TX

Aug 13, 2007

#2

• Aug 13, 2007

• #2

Works out to exactly 375HP . Autos zap around 20%.

 

CobraRed_96_GT

Active Member

May 20, 2006

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UCSD/La Jolla

Aug 13, 2007

#3

• Aug 13, 2007

• #3

sorry to say it, but if you have a stock auto you looking at needing from 368-378 flywheel depending on variables to put down 300 at the wheels

 

hotstang_46

Member

Apr 11, 2007

481

4

18

Charlotte NC

Aug 13, 2007

#4

• Aug 13, 2007

• #4

you guys know of any good reading for me on air/fuel ratio's and timing adjustements.....My sniper stuff comes in the mail tomorrow and I'll start proceeding cautiously so I can get my car up and going. It's really flat on it's face right now and undriveable, I know I'll need to adjust a bunch....

any tips or rules of thumb?

 

the98stang

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Aug 12, 2005

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Clovis, CA

Aug 14, 2007

#5

• Aug 14, 2007

• #5

I think N/a you should shoot for 12.5-13 AFR @ WOT.

 

ProCharger GT

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Jun 3, 2004

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Cleveland

Aug 14, 2007

#6

• Aug 14, 2007

• #6

I'd also highly recommend a PI torque converter.

 

hotmustang331

Active Member

Apr 29, 2004

2,967

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Bastrop,TX

Aug 14, 2007

#7

• Aug 14, 2007

• #7

14.7-1 @ idle and light cruize. Should dip closer to 13-1 as you get closer to WOT and should stay flat @ 13-1 @ WOT. As far as timing, I have no idea...but I would guess 22*s would be a good starting point and adjust up 2*s at a time until you hear a little pinging and back off 2-3 *s...thats how Tim set mine if I recall correctly. (on the N/A tune LOL...not now, its nowhere close to that point)

 

T

TGJ

New Member

Mar 30, 2005

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0

Aug 15, 2007

#8

• Aug 15, 2007

• #8

Providing you have the stock driveshaft, stock 4R70W, and stock accessories, if you have 300 RWHP, your engine is putting out 355 HP at the flywheel according to the formula I have. People really have to stop saying that auto's eat 20% of the power and standards eat 15%. That is completely wrong.

With the mods in your sig, you will be hard pressed to reach 300 RWHP with those mods and your auto transmission.