TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

ZZ4 cam in my lil 305 TBI

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Old Nov 17, 2003 | 10:15 PM
  #1  
tbfirebird's Avatar
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From: waukesha,WI
Car: Black 89 Formula
Engine: ??????????
Transmission: ??????????
ZZ4 cam in my lil 305 TBI

well i was wondering what kind of horsepower numbers i would see compared to the LT1 cam if i were to get the ZZ4 cam instead?
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Old Nov 17, 2003 | 11:45 PM
  #2  
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From: San Jose, CA
Car: 2002 Z28
Engine: LS1
Transmission: 4L60E
Axle/Gears: 3.23
more if you can get it tuned correctly. The cam is much more aggressive than the stock LT1 cam. Figure out what you want out of your car first and then youll have a better chance of choicing a camshaft because obviously a bigger cam is going to have more potential if you have the right heads and intake.
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Old Nov 18, 2003 | 12:20 AM
  #3  
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From: Glen Allen, VA
What's the duration on that cam compared to the LT1? I think with the stock heads, power is to be made with more duration, not necessarily extreme lift.
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Old Nov 18, 2003 | 02:34 AM
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From: San Jose, CA
Car: 2002 Z28
Engine: LS1
Transmission: 4L60E
Axle/Gears: 3.23
LT1: 201/208 .447/.459 116*
ZZ4: 208/221 .474/.510 112*
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Old Nov 18, 2003 | 02:30 PM
  #5  
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From: CC, TX
Car: 1999 Yamaha Banshee
Engine: 379cc twin cyl 2-stroke stroker
Transmission: 6 spd manual
Axle/Gears: 14/41 tooth
What's his name? He had that cam with SR 305 heads...

I know you gotta spend some time tuning it...
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Old Nov 18, 2003 | 02:35 PM
  #6  
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From: San Jose, CA
Car: 2002 Z28
Engine: LS1
Transmission: 4L60E
Axle/Gears: 3.23
unless you are going to be burning some custom chips or have someone else do it for you i would not swap out the stock cam.
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