5th gear dragracing?
Jul 14, 2008 | 12:03 PM
Thread Starter
Instructor
Joined: Jul 2006
Posts: 108
Likes: 0
From: Highlandville Missouri
5th gear dragracing?
Is it ok to use 5th gear dragracing? I running out of rpms with 4.10s
Jul 14, 2008 | 12:46 PM
Safety Car
Joined: Dec 2006
Posts: 4,290
Likes: 6
From: St Marys GA
I don't see why not if you're hitting the rev limiter in 4th...
Jul 14, 2008 | 02:13 PM
Melting Slicks
Joined: May 2001
Posts: 3,014
Likes: 18
From: Raleigh, NC
I've done it my car for a few years now with no problems, other than the lost ET due to the extra shift.
Jul 14, 2008 | 04:14 PM
Burning Brakes
Joined: Aug 2006
Posts: 1,123
Likes: 1
From: Rockland County NY
Jul 14, 2008 | 08:50 PM
Thread Starter
Instructor
Joined: Jul 2006
Posts: 108
Likes: 0
From: Highlandville Missouri
No lt4 running low 12. I know with nitrous I will run out of rpm
Last edited by RRRR; Jul 14, 2008 at 09:02 PM .
Jul 14, 2008 | 10:11 PM
Drifting
Joined: May 2005
Posts: 1,370
Likes: 1
From: Raleigh NC
Quote:
Originally Posted by
RRRR
No lt4 running low 12. I know with nitrous I will run out of rpm
I've trapped 125mph on my LT4 with 4.10s. I don't recommend it...it's turning pretty hard at that speed, but if you are running low 12's, your trap speeds are probably 115-117, which isn't too bad. Get your rev limiter raised a bit. Mine is set at 6,800.
Jul 14, 2008 | 10:37 PM
Thread Starter
Instructor
Joined: Jul 2006
Posts: 108
Likes: 0
From: Highlandville Missouri
The rev limit is 6400 ish its all hot cam lt4 valve train so I don't know if I could spin it that high. trapping 114
Jul 15, 2008 | 12:56 PM
Burning Brakes
Joined: Sep 2005
Posts: 993
Likes: 3
From: Iowa
Just check your valve spring pressures and make sure they are up to snuff and you're good to go.
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