Forum: Pontiac - Street
04-09-2024, 02:20 PM
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Replies: 22
Views: 1,813
I had a Cold Case in my Catalina. Worked great...
I had a Cold Case in my Catalina. Worked great until a water pump failure chewed it up. I ordered a Summit brand aluminum radiator to replace the Cold Case. The Summit branded radiator was identical...
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Forum: Performance Parts For Sale/Wanted
12-09-2023, 08:33 PM
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Replies: 4
Views: 918
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Forum: Pontiac - Street
11-28-2023, 10:54 AM
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Replies: 10
Views: 472
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Forum: Pontiac - Street
11-26-2023, 07:49 PM
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Replies: 10
Views: 472
Vacuum pump with clutch fan
Anyone running a vacuum pump set up with a mechanical fan? I have the Butler bracket and GZ pump set up. Was looking at bolting it up earlier but it looks like the pump pulley will interfere with the...
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Forum: EFI Tech
11-26-2023, 07:41 PM
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Replies: 18
Views: 2,750
Update: another wrap on the secondary spring...
Update: another wrap on the secondary spring seemed to cure the hanging idle. Just need to put some miles on it now and keep fine tuning but it seems to get better every time I get it out.
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Forum: EFI Tech
10-30-2023, 03:45 PM
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Replies: 18
Views: 2,750
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Forum: EFI Tech
10-27-2023, 10:55 AM
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Replies: 18
Views: 2,750
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Forum: EFI Tech
05-25-2023, 09:12 AM
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Replies: 18
Views: 2,750
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Forum: EFI Tech
05-24-2023, 12:55 PM
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Replies: 18
Views: 2,750
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Forum: EFI Tech
05-24-2023, 10:17 AM
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Replies: 18
Views: 2,750
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Forum: EFI Tech
05-24-2023, 08:42 AM
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Replies: 18
Views: 2,750
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Forum: 61-66 Big Pontiac TECH
05-24-2023, 08:24 AM
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Replies: 10
Views: 749
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Forum: EFI Tech
05-22-2023, 08:54 PM
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Replies: 18
Views: 2,750
Base Timing Table
Working on fine tuning my base timing table. Any advice on where I can make some improvements? Specs: Sniper EFI with Hyperspark ignition, 455, 10:1, 87CC E-heads, 242/248 on 112. Just a street car.
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Forum: 61-66 Big Pontiac TECH
05-22-2023, 03:39 PM
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Replies: 10
Views: 749
I switched to a Lokar cable set up on my 64....
I switched to a Lokar cable set up on my 64. Works better and no chance of binding up. You might want to put a throttle lever extension on that Sniper also. They can be really touchy without it.
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Forum: 61-66 Big Pontiac TECH
12-20-2022, 12:35 PM
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Replies: 1
Views: 646
63 GP on BAT
Anybody know anything about this car? Love the color combo. Seller hasn't been very responsive.
https://bringatrailer.com/listing/1963-pontiac-grand-prix-7/
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Forum: Performance Parts For Sale/Wanted
07-22-2022, 09:53 AM
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Replies: 5
Views: 1,419
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Forum: EFI Tech
07-19-2022, 08:23 PM
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Replies: 27
Views: 5,219
It should idle fine on the box tune with that...
It should idle fine on the box tune with that cam. Once you get it up and running you will always want to tweak your tune up for optimum performance no matter what cam. Are you controlling timing...
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Forum: EFI Tech
07-19-2022, 03:10 PM
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Replies: 27
Views: 5,219
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Forum: EFI Tech
06-27-2022, 07:25 PM
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Replies: 33
Views: 2,852
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Forum: EFI Tech
06-26-2022, 03:12 PM
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Replies: 33
Views: 2,852
Well I think its fixed but it didn’t have...
Well I think its fixed but it didn’t have anything to do with the spacer. Adjusted the idle stop screw about a 1/4 turn and it seems to be perfect now. Dont know why it started all the sudden but I...
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Forum: EFI Tech
06-25-2022, 01:28 PM
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Replies: 33
Views: 2,852
Took the spacer out and put a new gasket under...
Took the spacer out and put a new gasket under the TB. Also cleaned the IAC. Haven’t been able to drive it yet but it idles good in the driveway and returns to idle quickly when you hit the throttle....
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Forum: EFI Tech
06-23-2022, 10:49 AM
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Replies: 33
Views: 2,852
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Forum: EFI Tech
06-16-2022, 09:21 PM
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Replies: 33
Views: 2,852
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Forum: EFI Tech
06-16-2022, 10:06 AM
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Replies: 33
Views: 2,852
I will email you the tune file. Here's a...
I will email you the tune file. Here's a screenshot of the timing map.
Closed loop may be another issues and something else I had questions about. I attached the same datalog with CL status...
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Forum: EFI Tech
06-15-2022, 11:00 AM
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Replies: 33
Views: 2,852
I changed the ramp decay last weekend and it...
I changed the ramp decay last weekend and it didn't make much difference. I'm starting to think that the issue is possibly related to a phenolic spacer that I installed. Maybe something shifted a...
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