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02-22-2006, 01:00 PM
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#1
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11 Second Club
Join Date: Jan 2005
Location: Fishkill, NY
Posts: 1,278
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CCC computer
OK guru's, i have an 84 bird with an LG4 in it. Planning on dropping a crate engine 350 (290HP) into it. Now I know the carb is big enough to handle the added power but I have to retain the computer to pass the new emissions up here in NY. If I swapped in the PCM from a Vette would it work with the 350 or still be too lean? Should I just change jets in the the stocker or can I just leave it alone and run the 350?
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-Nick
9/11/01- Never Forget
2002 Pontiac Trans-Am WS6 # 206
Chasing 10's
469RWH/437RWTQ
11.05 @ 123
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02-22-2006, 02:16 PM
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#2
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Co-Founder / Site Admin
Join Date: Jul 2004
Location: Ewing, NJ
Posts: 22,473
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Prolly best to hop on TGO and post up in the carb section. There are a few guys there who can really tell you exactly what you need to keep that carb happy on top of a 350.
- Justin
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1999 Camry - Beigemobile DD
2002 Suburban - Wife's DD
2004 Grand Cherokee - Not running / Project / Selling?
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02-22-2006, 05:56 PM
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#3
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Stalker
Join Date: Aug 2004
Posts: 12,077
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what vette PCM would you even use?
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02-23-2006, 05:58 AM
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#4
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11 Second Club
Join Date: Jan 2005
Location: Fishkill, NY
Posts: 1,278
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Quote:
Originally Posted by SmokingSS
what vette PCM would you even use?
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82-84, I just don't know if the Vette harness uses the same pins as the F-body. If they have the same sensors it could work.
__________________
-Nick
9/11/01- Never Forget
2002 Pontiac Trans-Am WS6 # 206
Chasing 10's
469RWH/437RWTQ
11.05 @ 123
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02-23-2006, 10:04 AM
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#5
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13 Second Club
Join Date: Aug 2004
Location: Clifton,NJ/ Providence,RI
Posts: 520
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if your interested i have my L69 computer with harness and carb..im in the process of doing the same swap you are accept im ditching the computer and going with 650dp and non computer hei dist...
the carb was cleaned up by steves carb shop in lyndhurst, all of the TGO mods and opened the airvalve to the full 750cfm...he also knocked out the caps so you can adjust the idle mixture
ive also got a few rods and hangers to tune the secondaries..
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02-23-2006, 10:52 AM
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#6
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Stalker
Join Date: Aug 2004
Posts: 12,077
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oh, i didnt think the vette pcm would work since in 82 and 84 vettes were all crossfire injection.
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02-23-2006, 03:53 PM
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#7
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11 Second Club
Join Date: Jan 2005
Location: Fishkill, NY
Posts: 1,278
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Maybe it was 81, I know there was an L82 with the early CCC for the vette.
__________________
-Nick
9/11/01- Never Forget
2002 Pontiac Trans-Am WS6 # 206
Chasing 10's
469RWH/437RWTQ
11.05 @ 123
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02-23-2006, 08:00 PM
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#8
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,149
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Trucks came with 350s and computers. 81 Vettes, I think, is the only car. No 83 Vette. 82 (I think) & 84 Vettes all CFI.
But I would think all you might need is custom chip burn and your current ECM. I would think swapping ecms might be a PITA, worrying about pinout changes and such.
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Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
Last edited by BonzoHansen; 02-24-2006 at 01:48 PM.
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02-23-2006, 08:55 PM
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#9
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NJFBOA Co-Founder
Join Date: Jul 2004
Location: All up in your kool aid!
Posts: 12,235
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it isn't the computer, it is the chip that makes the difference. with a 290hp motor, something no CCC car or truck ever came with, you should get some custom programming done.
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02-24-2006, 07:30 AM
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#10
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11 Second Club
Join Date: Jan 2005
Location: Fishkill, NY
Posts: 1,278
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I didn't know you could burn for a pre 86 computer, I will have to look into that. Thanks
__________________
-Nick
9/11/01- Never Forget
2002 Pontiac Trans-Am WS6 # 206
Chasing 10's
469RWH/437RWTQ
11.05 @ 123
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02-26-2006, 02:42 PM
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#11
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2007 Member of the Year
Join Date: Oct 2004
Location: Seabrook, TX
Posts: 14,281
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Quote:
Originally Posted by SmokingSS
oh, i didnt think the vette pcm would work since in 82 and 84 vettes were all crossfire injection.
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What about in 83???
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WF=DF
Kommandant of the ACL (Anti Canadian League)
Quote:
Originally Posted by LTb1ow
Junk the pos, spend the money on beer, acquire headache.
Same result cept this headache doesnt last months.
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02-26-2006, 02:50 PM
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#12
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,149
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Quote:
Originally Posted by Savage_Messiah
What about in 83???
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All 83s are nitro-methane cars.
__________________
Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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02-26-2006, 03:20 PM
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#13
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Stalker
Join Date: Aug 2004
Posts: 12,077
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Well.... to be 100% correct and techincal... there were 1983 corvettes produced. 40 in total, and all for testing purposes. When they were done, 39 of the 1983 corvettes were destroyed. ONE '83 still exists today at the corvette museum in Bowling Green KY.
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02-26-2006, 03:27 PM
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#14
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,149
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Yeah yeah, sure sure. If couldn't buy one, it didn't exist. There is a similar story about the 1975 Z28.
__________________
Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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02-26-2006, 04:54 PM
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#15
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Join Date: Apr 2005
Location: East Stroudsburg,PA
Posts: 55
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Do a search over at TGO under "ZZ4 conversion". Gm used to offer an emmision legal conversion package for lg4's and L69's to their ZZ4 crate motor. The package included part #'s for the proper ecm, knock sensor, esc, and a custom zz4 chip. Even though the pakage is discontinued you might be able to find the other parts individual floating around ebay and such.
__________________
1987 Firebird Formula
SLP Headers,3in. Flowmaster Catback, l69 dual snorkel intake,SSM sub-frames, 4th gen power leather seats
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