Forum: Performance Parts For Sale/Wanted
04-05-2024, 11:40 PM
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Replies: 13
Views: 1,731
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Forum: Pontiac - Street
04-03-2024, 03:37 PM
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Replies: 23
Views: 629
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Forum: Pontiac - Street
03-30-2024, 10:07 AM
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Replies: 11
Views: 486
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Forum: Pontiac - Street
03-30-2024, 09:56 AM
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Replies: 11
Views: 486
I've done a LOT of governor tuning with TH350s...
I've done a LOT of governor tuning with TH350s and 400s. What you do is, get the shift points close with the weights and then select springs to set shift spacing and fine tune the shift points. ...
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Forum: Pontiac - Street
03-27-2024, 12:39 AM
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Replies: 8
Views: 534
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Forum: Pontiac - Street
03-25-2024, 02:18 PM
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Replies: 14
Views: 683
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Forum: Pontiac - Street
03-22-2024, 05:13 PM
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Replies: 14
Views: 683
Detent wire isn't hooked up at all. I've fixed...
Detent wire isn't hooked up at all. I've fixed the wiring, but haven't hooked it up yet. The modulator is an aftermarket red stripe. I removed the modulator and checked it and the adjustment. I...
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Forum: Pontiac - Street
03-22-2024, 03:20 PM
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Replies: 8
Views: 351
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Forum: Pontiac - Street
03-22-2024, 12:44 PM
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Replies: 14
Views: 683
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Forum: Pontiac - Street
03-22-2024, 10:21 AM
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Replies: 14
Views: 683
Does anybody have a line pressure chart for a...
Does anybody have a line pressure chart for a stock TH400, along with test method?
Can you believe I've drug the internet for a few days and cannot find a stock test procedure and chart? It's...
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Forum: Pontiac - Street
03-22-2024, 09:35 AM
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Replies: 6
Views: 387
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Forum: Pontiac - Street
03-19-2024, 11:48 PM
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Replies: 79
Views: 8,632
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Forum: Pontiac - Street
03-18-2024, 05:34 PM
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Replies: 20
Views: 1,049
This right hurrr ^ is why to use the 3 wire. ...
This right hurrr ^ is why to use the 3 wire. Remote voltage sensing and clean regulation across the load/RPM range is why you want the 3 wire. Retaining the idiot light is neat too.
I use the...
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Forum: Pontiac - Street
03-18-2024, 12:45 PM
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Replies: 14
Views: 683
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Forum: Pontiac - Street
03-17-2024, 07:33 PM
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Replies: 20
Views: 1,049
A 3 wire alternator, properly installed.
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A 3 wire alternator, properly installed.
Seriously, the only alternator I've ever had trouble with, in 40 years of working on cars, was the aftermarket, poorly designed, poorly implemented,...
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Forum: Pontiac - Street
03-15-2024, 11:25 AM
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Replies: 14
Views: 683
TH400 shift kit modifications?
So I want to put a Transgo shift kit in my TH400. I don't know the year of the trans or what's been done to it. It does shift like it's had some work done to it. The shifts are firm, but...
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Forum: Pontiac - Street
03-13-2024, 10:46 AM
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Replies: 13
Views: 637
Depends on what you can buy it for. I wouldn't...
Depends on what you can buy it for. I wouldn't pay over 1K, since I'd gut it like a fish and start over. If you're willing to run those cast pistons and slap a set of high compression heads, maybe...
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Forum: Pontiac - Street
03-12-2024, 09:30 PM
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Replies: 3
Views: 264
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Forum: Pontiac - Street
03-11-2024, 02:02 PM
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Replies: 9
Views: 698
How much plug coloring is realistic with E10...
How much plug coloring is realistic with E10 fuel?
With the carb changes I made (.031 upper emulsion, one step larger jets, up on the fuel level, increase IFR), the AFR gauge is showing 0.5 to 1...
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Forum: Pontiac - Street
03-10-2024, 12:37 PM
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Replies: 64
Views: 2,731
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Forum: SOLD Parts
03-10-2024, 11:47 AM
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Replies: 11
Views: 1,156
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Forum: Pontiac - Street
03-08-2024, 01:59 PM
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Replies: 9
Views: 698
With the Proform metering blocks, the primary...
With the Proform metering blocks, the primary boosters have been slow to come on. At cruise as I add throttle, the AFR goes to 15.5s before it drops down into the 13s at about 2600 RPM. It doesn't...
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Forum: SOLD Parts
03-08-2024, 12:51 AM
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Replies: 11
Views: 1,156
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Forum: Pontiac - Street
03-08-2024, 12:30 AM
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Replies: 9
Views: 698
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Forum: Pontiac - Street
03-07-2024, 12:17 PM
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Replies: 9
Views: 698
I did just change to the NGK XR5, which is...
I did just change to the NGK XR5, which is supposed to be equivalent to the R44S plug, one heat range cooler than the R45S. The 389 plug heat range thread got me thinking about plug heat ranges, so...
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