Finally got the car dyno tuned a month ago and ran it at the track mostly for grins. First of all a big thanks to Scott at A&S automotive and motorsports, in Keller TX for all the help, he did a good job and gave me a good deal. And to Lloyd for making a good product and for all the helpful advice over the phone. Run conditions where at 87 degrees with 51% humidity. It put down 418rwhp and 408 torque. I squeezed a 150 shot on it and it made 547rwhp and 550 torque . On motor I ran a 12.41 @116.8mph, with a 2.2 60-ft Pretty bad i know, but im hoping that on a cooler night(lower than 90 degrees) and some good 1.6 60 foot times it might dip into high 11's around 118-119mph. Not bad the car runs hard on the street, what does everyone think?

 

bad ***!!
what tires were you running

 

They where actually M/T et drags but my first time to ever use them, i blew them off 3 times so i worked on getting them hotter, so when i did i bogged way down and didnt do any better haha. it ok next time will be different.

 

what kind of clutch are you running with that setup?

 

Those are some real nice dyno numbers but it looks like you need some practice launching and some suspension work. I don't think you will get into the 11's with a 2.XX 60' but the 116mph is good for 11.50's or better. Goodluck Later

 

383CI+LE3>116 MPH I would hope.

 

Try to get a bit more HP out of her, my 350 stock is made 420rwhp, dyno numbers in sig, but not as much torque as itès only a 350.

 

383s arent going to dyno much higher than what a 350/355 will. the torque production sure makes it fun though


you're running pretty good. better than what my LE3 383 ran but I had 4 failed comp R lifters and then spun a rod bearing

 

That is incorrect.
The last 383 I dynoed made 567 to the tire and it was not a max effort. Try that with your 355- on motor.

 

I think ya can find more with tweaking 'cause it does sound a bit low.
If I am giving the LE3 cam what I think it will make.Do ya have LE3 heads?

 

with an LT1 casting head?

 

15-20psi of air,get um good and hot,(no dry hop) pull it to the line,bring it up to 4000 and sidestep the clutch. It will either leave like a rocket or sit there broke depending on your rear end.

 

Where did I say anything about stock casting. The last one of those with a 383 under them made 504 with 486 TQ.

 

damn... is everything bigger down there in LA?

 

At R&D Racing size DOES matter.

If ya gonna build one build it right.


"O" it's not like Texas where all things are big.