Crate LS7
I went to the track yesterday for several shake down runs. I forgot my tuning cables to adjust anything. It was running out of fuel(40psi). I have a Racetronix fuel pump, but not the boost a pump contol. Do you think that would help enough to keep the pressure up? It was short shifting also and quit at about 6300 rpm. This has been a problem in the past when I tried to run the rpm up over 6300. I had a separate fuel pump for Nitrous on my last set up. I was running 3:15 gears and 28" Slicks and traped out at 147mph and stayed under 6300 rpm. Any thoughts on this. I have read in the past that some early C5s had problems of hitting the rev limiter before it should. Mine is set at 7200.
Anyway the stock LS7 with headers and no tuning went (2) 11.0 @ 125 mph and (1) 10.97 @117 mph(it quit at 1000ft) 1.52 60ft. Not that great, but a good start.
Anyway the stock LS7 with headers and no tuning went (2) 11.0 @ 125 mph and (1) 10.97 @117 mph(it quit at 1000ft) 1.52 60ft. Not that great, but a good start.
Last edited by KOOL C5; Oct 15, 2006 at 07:10 AM.
Thread Starter
Staging Lane
Joined: Jun 2006
Posts: 68
Likes: 0
I have had an offr for my hi performance ls7, engine with 700+ hp
that says 5000€ and an 26000mls ls7 engine. I must admit that i am very tempted, because i have a nice new project in mind, and the engine i have is way, way to powerfull for the 928 chassis, even though it has been upgraded in many ways.
DoC
that says 5000€ and an 26000mls ls7 engine. I must admit that i am very tempted, because i have a nice new project in mind, and the engine i have is way, way to powerfull for the 928 chassis, even though it has been upgraded in many ways.
DoC
10 Second Club
Joined: Jun 2005
Posts: 281
Likes: 0
From: Massachusetts
My dad has an LS7 crate motor, built up a little by lingenfelter, making around 600rwhp, runs 9.80's all day long N/A, has about 60-70 passes on it, without a single problem, besides when he put it on the bumper, its an F-Body btw. Shifts at 7500, crosses at around 7900 rev limiter's at 8000. Still has the dry sump.
Thread Starter
Staging Lane
Joined: Jun 2006
Posts: 68
Likes: 0
Originally Posted by 35th 427SS
My dad has an LS7 crate motor, built up a little by lingenfelter, making around 600rwhp, runs 9.80's all day long N/A, has about 60-70 passes on it, without a single problem, besides when he put it on the bumper, its an F-Body btw. Shifts at 7500, crosses at around 7900 rev limiter's at 8000. Still has the dry sump.
Sounds like where i want to go with this motor, what updates has he got on it?
DoC
TECH Resident
Joined: Dec 2001
Posts: 922
Likes: 1
From: Lexington Park, MD
Originally Posted by duke of cruel
Got the ls7 in my garage now 
A huge step closer to get ready for assembly of the wildest miataa in the world.
DoC
A huge step closer to get ready for assembly of the wildest miataa in the world.
DoC
Thread Starter
Staging Lane
Joined: Jun 2006
Posts: 68
Likes: 0
Originally Posted by 98blackSS
Wait a second.. weren't you the one who claimed to have built a 454ci based Warhawk motor in another thread??
Traded in for an LS7 stocker and some cash, it was too powerfull for my chassis.
DoC
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Approx. 13 LARGE !!! 
Originally Posted by duke of cruel
Traded in for an LS7 stocker and some cash, it was too powerfull for my chassis.
DoC
DoC
Until you post pics of something nobody on here will believe **** you say. 
Originally Posted by duke of cruel
I have had an offr for my hi performance ls7, engine with 700+ hp
that says 5000€ and an 26000mls ls7 engine. I must admit that i am very tempted, because i have a nice new project in mind, and the engine i have is way, way to powerfull for the 928 chassis, even though it has been upgraded in many ways.
DoC
that says 5000€ and an 26000mls ls7 engine. I must admit that i am very tempted, because i have a nice new project in mind, and the engine i have is way, way to powerfull for the 928 chassis, even though it has been upgraded in many ways.
DoC
Got the ls7 in my garage now
A huge step closer to get ready for assembly of the wildest miataa in the world.
DoC
A huge step closer to get ready for assembly of the wildest miataa in the world.
DoC
