LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Afr Rev Kit

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Old Apr 5, 2005 | 10:09 PM
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Default Afr Rev Kit

Does this Rev Kit work has anyone us try this or have thisin their car and could u see a diffrence
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Old Apr 5, 2005 | 11:29 PM
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I used one in my 96' TA. I used it until I warped a head running NOS.
I did not reinstall it after the rebuild since I was not going to be
spraying again. It kept everything in place well running over 7500rpms.
I also noticed that the car peaks at a lower rpm range now with it
out of the car. I did not change anything else, so it must have been
the rev kit.


Originally Posted by R_G_LT1
Does this Rev Kit work has anyone us try this or have thisin their car and could u see a diffrence
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Old Apr 5, 2005 | 11:32 PM
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i know a guy with the hydro rev kit if this is the one your talkin about he turns his car to the 7k area without any issues
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Old Apr 6, 2005 | 01:17 AM
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Yup, no problems with mine over 7500rpms. It is actually supposed to help
the top end be able to handle the high rpms better.
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Old Apr 6, 2005 | 01:18 AM
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From: LT1 land...the "409" of the 90s!
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Anyone ever had Lifter problems with them?

Seems they would load the Rollers hard all the time. Do not get me wrong I have ran them on solid lifter motors for years....Just always wondered
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Old Apr 6, 2005 | 01:25 AM
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None here. I still have my stock lifters in the motor.
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Old Apr 6, 2005 | 07:28 AM
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I'm looking at putting them on my new 355 setup whats the price on the kit and can they be used on the performer lt1 heads ? i can't seem to find a # for AFR tech line.
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Old Apr 6, 2005 | 02:54 PM
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just call afr and and ask to speak with a tech and they will tranfer you to one. i ordered a rev kit from them for $260 with shipping
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Old Apr 6, 2005 | 05:32 PM
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But it not fit to Comp Cam R Lifters.. So I can't get one of them.
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Old Apr 6, 2005 | 06:45 PM
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Rev kit? huh? What is this you speak of good folk?
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Old Apr 6, 2005 | 08:14 PM
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Originally Posted by Nova5
Rev kit? huh? What is this you speak of good folk?
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Old Apr 6, 2005 | 08:46 PM
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From: LT1 land...the "409" of the 90s!
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Originally Posted by Black97
But it not fit to Comp Cam R Lifters.. So I can't get one of them.
Why wont they fit the Comp lifters? They make those things for just about ANY roller lifter
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Old Apr 6, 2005 | 09:27 PM
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Yeah, I looked at my comp pro magnums hyd rollers (comp R) and compared to stock ones, the looked Identical.......
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Old Apr 6, 2005 | 09:46 PM
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Hay Ellis~

Not to hijack the thread, but you are/were running a hydra-rev on solid lifters? Do you recall if you ended up using a different 'kit' to make them work, or would the standard "LT1 hydra-rev for OE lifters" suffice?

Only reason I ask is that I'm building a solid roller motor, and I had a brand new LT1 hydra-rev (for OE lifters) sitting out in the garage collecting dust. I guess I'll find out if it works with the new solid rollers. If not, it looks like I'll be selling a hydra-rev...


(haven't ordered the lifters yet, so I can't yet compare designs...)
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Old Apr 6, 2005 | 09:49 PM
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for a solid roller motor you could probably just use a regular rev kit
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Old Apr 6, 2005 | 11:23 PM
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From: LT1 land...the "409" of the 90s!
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I ran one on a solid roller years ago. You will have to run one for the Solid roller setup you have.

If you are interested in selling the one you have let me know.

The main reason i ran one BTW is I had a rocker let go and popped a lifter out of the hole. Luckily the cam and lifter were OK. With the Rev Kit this is not a problem with this. I am looking into it again for the same reasons. I know a few people who have had the Spider crawl up and let the lock bars go. I am going to rev to 7,100 and do not want this to happen to me

Good luck man!
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Old Apr 7, 2005 | 10:11 AM
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Thanks guys~


Ellis -- Ouch! That's always a good day, when lifters jump their bores. That massive lifter retainer plate is quite reassuring! -Sounds like we're all in the same boat then -- 'preventative maintenance'.

It'll be a while (several weeks) before I find out if this kit works for my application, so don't wait up too long. Just now pulling the motor for a rebuild. Heads/cam work may take a month or two to get finished up...

Anyway, take 'er easy...
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Old Apr 7, 2005 | 10:59 AM
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From: LT1 land...the "409" of the 90s!
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No problems man I can buy From AFR cheap through one of my Suppliers
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Old Apr 7, 2005 | 01:19 PM
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Talked with Jason at AFR today...... COMP Rssssss DO work with the AFR revkit.
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Old Apr 7, 2005 | 01:25 PM
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Really??? Oh! But on the AFR's website its written "only for stock lifters".. I will order rev kit if it really fit to comp R lifters..
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