Big stalled auto on motor = 505/421 :-)
Big stalled auto on motor = 505/421 :-) OK went to the dyno today with 408 to see what she would do on the bottle but, as soon as we hit it it pushed right through the converter and only made 560 with the 300 jets in.
BUT
ON the motor with the changes that were made it put down 505/421
on the same mustang dyno. It made peak power at 6557 and that is were we lifted, it was still climbing and if I had more time on the dyno I would have spun it higher to see what it was going to do.
Needless to say I am very happy with the results. I knew that it had alot more in it I just didnt want to open my mouth until I could prove it.
Here is the thread that I started last time it was dynoed:
https://ls1tech.com/forums/showthrea...067&highlight=
The only changes for the n/a tune were cut-outs installed, a little more efficient converter, Race gas, 30* of timing, 13:1 a/f.
I will post a graph tomorrow.
BUT
ON the motor with the changes that were made it put down 505/421
on the same mustang dyno. It made peak power at 6557 and that is were we lifted, it was still climbing and if I had more time on the dyno I would have spun it higher to see what it was going to do.
Needless to say I am very happy with the results. I knew that it had alot more in it I just didnt want to open my mouth until I could prove it.
Here is the thread that I started last time it was dynoed:
https://ls1tech.com/forums/showthrea...067&highlight=
The only changes for the n/a tune were cut-outs installed, a little more efficient converter, Race gas, 30* of timing, 13:1 a/f.
I will post a graph tomorrow.
Last edited by youwilllose; Apr 20, 2008 at 07:15 PM.
12 Second Club
iTrader: (13)
Joined: Feb 2005
Posts: 1,575
Likes: 1
From: Gateway International Raceway
Good job! that is way better than I thought it would do with that trans. I knew in your original post it had more in it but so few autos make 500+ that I did not think it would do it. I thought it would make more than what I guessed in your other thread but I did not want to over estimate...I would rather make more than what people guess than less and be disappointed, so you must be thrilled.
O
Here is the thread that I started last time it was dynoed:
https://ls1tech.com/forums/showthread...067&highlight=
Here is the thread that I started last time it was dynoed:
https://ls1tech.com/forums/showthread...067&highlight=
Teching In
Joined: Feb 2008
Posts: 21
Likes: 0
Those are great numbers congrats!
Did you get rid of the junk intake? Those arent any better than ls1 intakes from my experience... we did a comparison on the dyno and with the bbk we lost power compared to a ls6 intake.
Did you get rid of the junk intake? Those arent any better than ls1 intakes from my experience... we did a comparison on the dyno and with the bbk we lost power compared to a ls6 intake.
Trending Topics
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?
Pouria Savadkouei
Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine
Verdad Gallardo
7 Most Reliable High-Performance Engines GM Has Ever Built
Verdad Gallardo
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin
Verdad Gallardo
6 Common C5 Corvette Failures and What's Involved In Repairing Them
Pouria Savadkouei
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph
Verdad Gallardo
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked
Pouria Savadkouei
Top 10 Most Powerful Chevy Trucks Ever Made!
Hennessey's New Supercharged Silverado ZR2 Has 700 HP
Verdad Gallardo
Wow! How did you get from 431/369 to 505/421?? What kind of changes did you make to net 70rwhp and 50rwtq?
Outstanding A3 #'s on a Mustang Dyno!!!!! That build surpasses Beards build.
Outstanding A3 #'s on a Mustang Dyno!!!!! That build surpasses Beards build.
I' m still trying to get the dyno graph up, but I keep forgeting it at the shop.