LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

What's your rev lim set at?

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Old 09-22-2005, 08:14 AM
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What's your rev lim set at?

What Rpm are most of you shifting at?
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Old 09-22-2005, 08:20 AM
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Re: What's your rev lim set at?

6400, 6300, 6300 with a rev limit set at 6800. The hydra-rev helps big time up high. So do the 612 springs. I have a smaller cam than you and unported stock heads. I'll bet that thing makes usable power 300-400 rpm more than mine.
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Old 09-22-2005, 08:22 AM
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Re: What's your rev lim set at?

Originally Posted by chrism400
6400, 6300, 6300 with a rev limit set at 6800. The hydra-rev helps big time up high. So do the 612 springs. I have a smaller cam than you and unported stock heads. I'll bet that thing makes usable power 300-400 rpm more than mine.
The guy that owned the motor before me told me to shift at 7000rpm's but I havent seen anyone else shifting that high.
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Old 09-22-2005, 08:28 AM
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Re: What's your rev lim set at?

I would shift at 6800 then if I were you. That way, the OBD1 won't hit the max rpm of 7200 that's built into it. You probably won't see much et difference between 6800 shifts and 7000 shifts. You have to give the trans time to shift and usually people give about a 500 rpm cushion between shifts and rev limits.
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Old 09-22-2005, 09:24 AM
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Re: What's your rev lim set at?

My rev limiter is set at 6900 and it shifts around 6600 in 1st and 6400 in all the rest.
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Old 09-22-2005, 08:04 PM
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Re: What's your rev lim set at?

what is the stock setting?> I hit rev limit at about 5500 on a 95 z28 with borla, MAF, intake, and dynotuning and it gets annoying. but probly doesnt make much power past that point anyways for me at least
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Old 09-22-2005, 11:39 PM
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Re: What's your rev lim set at?

Rev limiter? Whats that, lol.
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Old 09-22-2005, 11:45 PM
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Re: What's your rev lim set at?

With your setup, you could go pretty much as high as your engine can handle. You should be making usable enough TQ even in the 6500 rpm range to shift that high, or even higher. It all depends on what your valvetrain and bottom end can handle.

Dan
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Old 09-22-2005, 11:53 PM
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Re: What's your rev lim set at?

Originally Posted by 87lt1rx7
what is the stock setting?> I hit rev limit at about 5500 on a 95 z28 with borla, MAF, intake, and dynotuning and it gets annoying. but probly doesnt make much power past that point anyways for me at least
Stock redline is 5700 rpm.

Dan
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Old 09-23-2005, 12:04 AM
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Re: What's your rev lim set at?

Originally Posted by stereomandan
With your setup, you could go pretty much as high as your engine can handle. You should be making usable enough TQ even in the 6500 rpm range to shift that high, or even higher. It all depends on what your valvetrain and bottom end can handle.

Dan
I had the tuner set my redline @7000rpm's and to shift @6500.
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Old 09-23-2005, 12:30 AM
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Re: What's your rev lim set at?

Originally Posted by stereomandan
Stock redline is 5700 rpm.

Dan
F-body LT1s have the rev limiter set between 5805 and 5945. (depending on gear ratio, year, transmission type, current gear, etc)

"Rev limiter at 5500ish" sounds like the opti. (speaking of which, mine is doing it right now ) A common way for a failing opti to show a problem is a noticeable dip of power around 5200 RPM, and with the stock tach showing about 300 more than actual RPM, sounds just like it.

Last edited by madwolf; 09-23-2005 at 12:34 AM.
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Old 09-23-2005, 12:42 AM
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Re: What's your rev lim set at?

Looks like Ion set mine @ 5994 for 1st - 4th :-P
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Old 09-23-2005, 10:24 AM
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Re: What's your rev lim set at?

1st- revlimit: 6800 shift @: 6400
2-6- revlimit: 6600 shift @: 6300

I gave myself enough room in 1st so that if it breaks the tires lose up top (which it usually does anytime in 1st) that I have room to let off or shift before hitting the limiter.

Ryan
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