C3 & c4 secret weapon
Thread Starter
Drifting
Joined: Sep 2004
Posts: 1,638
Likes: 3
C3 & c4 secret weapon
I'm not sure if the cats out of the bag yet - but in case not:
Coming the beginning of next year will be a mod that essentially changes the fireing order of the ZZ4. Dyno tests on the system show an increase from 350 HP to 438 HP. Then you start adding your trick parts and you've got a fire breather!
Just a heads up if your looking for big HP increases for reasonable money!!
Coming the beginning of next year will be a mod that essentially changes the fireing order of the ZZ4. Dyno tests on the system show an increase from 350 HP to 438 HP. Then you start adding your trick parts and you've got a fire breather!
Just a heads up if your looking for big HP increases for reasonable money!!
Race Director
Joined: Apr 2000
Posts: 15,344
Likes: 4,009
From: Texas
Originally Posted by Carl Johansson
I'm not sure if the cats out of the bag yet - but in case not:
Coming the beginning of next year will be a mod that essentially changes the fireing order of the ZZ4. Dyno tests on the system show an increase from 350 HP to 438 HP. Then you start adding your trick parts and you've got a fire breather!
Just a heads up if your looking for big HP increases for reasonable money!!
Coming the beginning of next year will be a mod that essentially changes the fireing order of the ZZ4. Dyno tests on the system show an increase from 350 HP to 438 HP. Then you start adding your trick parts and you've got a fire breather!
Just a heads up if your looking for big HP increases for reasonable money!!
Team Owner
Joined: Oct 2004
Posts: 81,241
Likes: 3,063
From: altered state
St. Jude Donor '05
I beleive you are referring to the cams that fire the cylinders outside of the 18436572. The exact term I can;t recall. Theyve been around for many years. They seem to make sense, but I never researched them that much. Plenty of hardcore racers here are probably in the know. Anyone?
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Team Owner
Joined: Dec 2000
Posts: 90,675
Likes: 304
From: SE NY
Cruise-In II Veteran
If the firing order change can bring 15chp, the cam 35chp and heads 30chp, that would add up to a nice 80chp gain.
So, would it take only a cam & ignition timing change or would some work down below be needed??
So, would it take only a cam & ignition timing change or would some work down below be needed??
Race Director
Joined: Sep 2000
Posts: 17,298
Likes: 33
From: The Top of Utah
Originally Posted by Carl Johansson
I'm not sure if the cats out of the bag yet - but in case not:
Dyno tests on the system show an increase from 350 HP to 438 HP.
Dyno tests on the system show an increase from 350 HP to 438 HP.
RACE ON!!!
Race Director
Joined: Sep 2000
Posts: 17,298
Likes: 33
From: The Top of Utah
Originally Posted by chriswtx
When we mention changing the firing order that is done with a cam change not just by swapping plugwires around..
RACE ON!!!
Team Owner
Joined: Dec 2000
Posts: 90,675
Likes: 304
From: SE NY
Cruise-In II Veteran
Well if the cam timing changes so that the firing order changes then it would also take wires and crank change too, right.
In such case, why did the General chose the current SBC firing order over the other possibilities...could it have been a compromise between performance and reliability??
In such case, why did the General chose the current SBC firing order over the other possibilities...could it have been a compromise between performance and reliability??
Racer
Joined: Aug 2004
Posts: 379
Likes: 170
From: Buffalo Grove IL
Haven't cams that swap firing order on Chevy small blocks been out for years? I know Comp Cams has had then for at least a while.
I'd think that if swapping firing order was such a huge gain in HP, racers would have moved to it en masse 30-40 years ago
Ben
I'd think that if swapping firing order was such a huge gain in HP, racers would have moved to it en masse 30-40 years ago
Ben
