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#1072168 - 10/05/21 09:58 AM Spark Table for Vortec Heads  
Joined: Oct 2020
Posts: 7
BlackBerlinetta Offline
New Member
BlackBerlinetta  Offline
New Member

Joined: Oct 2020
Posts: 7
Tallahassee, FL
Hi all,

I got the ccc setup to work with my 350/357 crate motor. I burned the basic zz4 prom tune but I realized that the timing table will not be correct for vortec heads. Does anyone out there have a timing table that works with this combo?

#1072171 - 10/05/21 03:58 PM Re: Spark Table for Vortec Heads [Re: BlackBerlinetta]  
Joined: Feb 2020
Posts: 537
88ssBrent Offline
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88ssBrent  Offline
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Joined: Feb 2020
Posts: 537
Friendsville
Do you have a timing table visual for the zz4 prom ive never been able to find it. All I have been able to find is the l69 table but im not sure if its correct.[Linked Image]

#1072179 - 10/06/21 03:38 AM Re: Spark Table for Vortec Heads [Re: BlackBerlinetta]  
Joined: Jun 2003
Posts: 187
stew'86MCSS396 Offline
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stew'86MCSS396  Offline
Member

Joined: Jun 2003
Posts: 187
Honolulu
@Brent http://www.montecarloss.com/community/ubbthreads.php?ubb=showflat&Number=1027530

I know between the swirl TBI heads vs. Vortec, running the TBI spark map caused my bro's truck to hesitate and backfire. Once a dropped an iron head LT1 spark map in there, it was a night and day difference. Can't really advise ZZ4 vs Vortec. g/l!

#1072181 - 10/06/21 03:54 PM Re: Spark Table for Vortec Heads [Re: BlackBerlinetta]  
Joined: Dec 1999
Posts: 12,365
PB86SS/87LS Online beer
Administrator
20+ Year
PB86SS/87LS  Online Beer
Administrator
20+ Year

Member

Joined: Dec 1999
Posts: 12,365
New Berlin, WI
Hmm, I ran a GM ZZ4 PROM with a 383/Vortec heads without a problem from 2004-2019. My wagon I'm in the process of putting in a 350 with Vortec heads and a burned ZZ4ish PROM from Bitflipper on the board.


-86'SS 383 CCC QJet- BRF 2004r-8.5" 3.42
-87'LS 350 MAF/SD TPI- CRF 2004r-7.5" 3.42
-81'Grand LeMans Safari Wagon 350 CCC Q-Jet/CZF 2004-r/8.5" 3.73
-07'TBSS Stockish daily driver
[Linked Image]
#1072184 - 10/06/21 08:01 PM Re: Spark Table for Vortec Heads [Re: PB86SS/87LS]  
Joined: Oct 2020
Posts: 7
BlackBerlinetta Offline
New Member
BlackBerlinetta  Offline
New Member

Joined: Oct 2020
Posts: 7
Tallahassee, FL
What cams are you running in those setups?

#1072186 - 10/06/21 08:58 PM Re: Spark Table for Vortec Heads [Re: BlackBerlinetta]  
Joined: Dec 1999
Posts: 12,365
PB86SS/87LS Online beer
Administrator
20+ Year
PB86SS/87LS  Online Beer
Administrator
20+ Year

Member

Joined: Dec 1999
Posts: 12,365
New Berlin, WI
In my SS: https://www.summitracing.com/parts/cca-08-503-8#overview

It says not computer controlled compatible but it is.

Last edited by PB86SS/87LS; 10/06/21 08:59 PM.

-86'SS 383 CCC QJet- BRF 2004r-8.5" 3.42
-87'LS 350 MAF/SD TPI- CRF 2004r-7.5" 3.42
-81'Grand LeMans Safari Wagon 350 CCC Q-Jet/CZF 2004-r/8.5" 3.73
-07'TBSS Stockish daily driver
[Linked Image]

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