ZZX Cam owners inside!
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Joined: Nov 2002
Posts: 2,108
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From: Moneta, VA
Car: 89 formula 350
Engine: ls1 magnuson tvs2300 supercharger
Transmission: T56
Axle/Gears: 4.11 Dana 44!
ZZX Cam owners inside!
I just bought one and am looking to put it in soon. I was wondering if any of you guys with the zzx cam have any type of vacuum problems? How is the driveability with this cam? TIA 
Joined: Feb 2000
Posts: 1,856
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From: St. Augustine, FL
Car: 89 GTA
Engine: 383
Transmission: 4L80E
Axle/Gears: 12 bolt-3.73
Depends on your compression. I wouldn't run anything less than 11:1, 11:5 is better.
My 10.5:1 383 couldn't make enough vaccum with 242-254 110lsa, but the zzx has less overlap. A bud used to have the zzx in a 11.5:1 383 and it ran fine after tuning.
My 10.5:1 383 couldn't make enough vaccum with 242-254 110lsa, but the zzx has less overlap. A bud used to have the zzx in a 11.5:1 383 and it ran fine after tuning.
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Joined: Aug 2005
Posts: 3,004
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From: Yellowknife, NWT, Canada
Car: 84 Z28
Engine: 357
Transmission: TH-350C
Axle/Gears: 3.43
Run a vac pump if you dont have adequite vacuume!
Or change out that cam to something more suited to your compression ratio...
Or change out that cam to something more suited to your compression ratio...
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Supreme Member
iTrader: (26)
Joined: Nov 2002
Posts: 2,108
Likes: 8
From: Moneta, VA
Car: 89 formula 350
Engine: ls1 magnuson tvs2300 supercharger
Transmission: T56
Axle/Gears: 4.11 Dana 44!
thanks for the info. I havent installed it yet, and im looking for tips from people that have this cam in their car. 
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From: Richmond,Va
Car: 91 Z/28
Engine: 6.3 L98
Transmission: TH350 4500 STALL
Axle/Gears: 3.73s
Originally Posted by Justin89Formy
I just bought one and am looking to put it in soon. I was wondering if any of you guys with the zzx cam have any type of vacuum problems? How is the driveability with this cam? TIA
You wont have any vacuum problems with this cam.I had stock brakes with no problems.Drivability is just fine,I suggest a Vigilante,Yank,ACT 3200-4000 stall to make the most of the ZZX.Although you could get away with a tad less converter.If you have a T-5 or t-56 you will be good to go.This cam pulls hard from 3500 to 6800.Sounds nice too
You will enjoy it! 
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