Mike TexaSS

iTrader: (2)

Can you guys post some LT1/LT4 dyno results all motor?

Ive got some results from my solid roller n20 motor on my impala ss and I want to see where I stand..

WhtLT1

What were ur results? I'd like to know what a motor like that can put down.

Z284thgen

iTrader: (46)

hyd roller 233/239 stroker very mild base tuned made 419/399 SAE N/A now has a lot bigger cam and still isnt tuned yet

this has LT1 casting's from TEA with a gasket matched intake and 58MM TB svo 30lbs inj

Mike TexaSS

iTrader: (2)

Nice numbers but your a six speed.

Ok here they are.

1996 Impala SS
Buick 200R4 Trans
Stock Impala Axel with 3.73's


455 RWHP and 400 RWTQ..

This is with a n20 solid roller
258/270 .609 .640 112LSA

Cant wait to see what she does on the spray!!!!

Z284thgen

iTrader: (46)

props man

im also pullin through a 12bolt


did this g-force do the tunning on your car ?????

have you any track times yet

Mike TexaSS

iTrader: (2)

I am GFORCE and yes I did tune it.. Pump gas...

The Impala SS comes with a 8.5 inch 10 bolt rear end. The same as trucks..

BizZzatch350

iTrader: (33)

Good deal Mike, glad to see a site sponsor working on the Lt1 cars. Bet it sounds mean as hell.

FIREHAWK #07

iTrader: (1)

YEah its cool that G force works on Lt1's, some shops.... dont want to mention any names (coughmticough) dont even want to touch them anymore...

nice #;s also..... Ill be there one day.............one day....

skinnies

iTrader: (33)

Nice #'s, got a graph I could look at, I'd love to see the curve.

My stock bottem end, le heads, baby cam(220/226, ~.550 lift) setup did 388rwhp/380rwtq running fairly rich and in need of a tune.(~12.0 a/f)

Ed Wright

iTrader: (1)

Man, youv'e got a big-a**ed cam in that thing!

My '96 TA made 474hp & 435tq. It's an NA 383", 4L60E & 4.30 Moser 12 bolt.
Best times so far 10.26 @ 131.72 1.312 60', at 600' DA

Take care, Ed

simple

iTrader: (8)

Ed, what heads do you have on that car? please tell me they are GM LT1 castings prolly not tho....

i imagine all these numbers are rear wheel numbers too, not flywheel.....?

Mike TexaSS

iTrader: (2)

Ed theres no way that thing has LT1/Lt4 castings..

What rpm are you turning? And is this on pump or race gas.

Ed Wright

iTrader: (1)

Those numbers are rear wheel, with a stock unlocked converter. 93 octane pump gas. Torque always looks stupid-high with the race converter in it. Wanted to know what it actually was, and at what RPM it peaked, so John & I put it on the dyno with the stock converter installed for initial run in & tuning. Easy to do when the dyno & lift are sitting right there. Rolled it back forward to the lift after baseline tuning it, and John put the race converter in it.

The heads are just GM LT4 head & intake castings ported by Pete Incado @ CNC Cylinder Heads, down in Florida. Nothing special, just his normal deal. Wish you could put big valves in them. Kinda looking at some other options right now.

Take care, Ed

Ed Wright

iTrader: (1)

Wanna bet? Ask Jeff Moore, (Z284thgen) he is from Tulsa, and has seen the car, and watched run all summer. Jeff & I also have the same size cam. I shift it @ 7200. Stall it to 2000 (foot brake) & stand it on the bumper when it leaves. Plenty of local guys come by the shop, have seen it apart, watched it, raced it, etc.

Jeff, tell him. <BG> It ran 10.26, 10.28, 10.30, over 131 mph, etc right down the road from you, at Hallsville TX. Found I had too much gear in it after the Tulsa track closed. Tested down there with the new gears. Air never was killer, best I got to run in was 600'. Picture of it on Hallsville's website. Bottom row, to the right right. It gets a lot higher than that picture. <G>

Take care, Ed

Ken95Z28

iTrader: (1)

Do you mean this pic?



I've seen his car many times at his shop, heck I've even seen them when they were off the car. The car flat out flies! This gives a little more respect to the LT4 Castings for sure. Just need to paint a big red "S" on the hood and call him "SuperMan", because when he takes off it's kind of like that.

got_hp?

i know the heads are capable, but im really suprised youre running an lt4 intake. i would have figured a single plane.

the high rpm makes a big difference too.

Ed Wright

iTrader: (1)

Catch a single plane on something of mine & it will probably have a bowtie block & SB2 heads under it, and a carb on top. The rpms don't help anything if it doesn't make power up there. Mine peaks now about 6800.


Take care, Ed

Joe Overton

592 rwhp@7300/540 rwtq "flash" and peaked through the curve at 465rwtq @6200 through a th400 on slicks...... I only made one pull just to see since I tune mostly at the track thats the real deal...dyno's are good for a baseline thats pretty much it IMHO... And sad to say rpm isnt the issue with a lt1 intake its plenum volume and turbulence it creates ....and you can take that to the bank!!!!

SS Mark

Do you use an LT1/LT4 intake? Can you elaborate on the plenum volume and turbulence.
-Mark

Joe Overton

well technically yes I do run a lt1 intake..actually lingenfelter designed it and its listed as a lt1 intake though its a 1st gen lt1 fi carb design...as far as plenum volume lets just say I ran almost 5" of spacers on my intake and was still picking up bottom end in the car and thats on a conventional carb style intake let alone a lt1/lt4 design.... not hard to figure out air turns better and makes better velocity with smooth transitions and runners...airspeed is greatly reduced in a high hp lt1 setup utlizing a lt1/lt4 style intake.. Steve Quinn tried to overcome this not long ago with a fabbed lt1 intake on his setup by increasing plenum volume and he was turning over 8g and even still himself moved on to a conventional style intake shortly there after... I guess it comes down to whether you want to be fast or just fast with a lt1 /lt4 intake...