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Search took 0.09 seconds. Search: Posts Made By: chiphead
Forum: Pontiac - Street Yesterday, 04:20 PM
Replies: 17
Views: 346
Posted By chiphead
So what does a AFR gauge read on E10 vs straight...

So what does a AFR gauge read on E10 vs straight gas? Does the gauge read richer on E10 if lambda isn't calibrated to E10? Meaning the gauge may read 12.0 AFR, when the actual AFR is about 12.6?
Forum: Performance Parts For Sale/Wanted Yesterday, 08:11 AM
Replies: 14
Views: 1,833
Posted By chiphead
Cast aluminum deep pan, bolts and filter...

Cast aluminum deep pan, bolts and filter extension for TH350. Seals up very nice, no leaks. About $150 new from summit.

$75 plus actual shipping from 29803
Forum: Pontiac - Street Yesterday, 07:52 AM
Replies: 6
Views: 386
Posted By chiphead
The fat idle AFR is throwing the plug reading...

The fat idle AFR is throwing the plug reading off. The plug looks way rich, which throws off reading the strap because the carbon starts to cover the heat mark on the strap. And you don't know how...
Forum: Pontiac - Street 05-03-2024, 09:58 PM
Replies: 26
Views: 1,007
Posted By chiphead
That's close to what I'm looking for. I'm just...

That's close to what I'm looking for. I'm just wanting enough sidewall so it looks right and the ride isn't too stiff.

What wheels are those?
Forum: Pontiac - Street 05-03-2024, 02:04 PM
Replies: 26
Views: 1,007
Posted By chiphead
That's what I'm trying to do, keep some sidewall...

That's what I'm trying to do, keep some sidewall on the tire. I could run the 255/45ZR/18, that's a 27" tire that's 10" wide, so it would give me plenty of space.

About the wheels. Would a 9"...
Forum: Pontiac - Street 05-02-2024, 05:15 PM
Replies: 26
Views: 1,007
Posted By chiphead
Finally measured the wheelhouses. Can somebody...

Finally measured the wheelhouses. Can somebody check my math?

The driver's side wheelhouse is 11.87" wide from inner quarter panel to frame rail.
5.37" from quarter panel to brake drum
6.5"...
Forum: Performance Parts For Sale/Wanted 04-30-2024, 08:44 AM
Replies: 3
Views: 186
Posted By chiphead
WTB TH400 short tail

Looking for a BOP TH400 short tail for my '67 Lemans. Would prefer a buildable core in driving distance from Georgia or the Carolinas.
LMK what is available, thanks!
Forum: Pontiac - Street 04-25-2024, 03:44 AM
Replies: 5
Views: 384
Posted By chiphead
Black sludge is friction material. Losing all...

Black sludge is friction material. Losing all FWD movement means the FWD clutch is wasted. The FWD clutch transmits power in all FWD ranges, so once it burns the FWD, its done. Since you have...
Forum: Pontiac - Street 04-20-2024, 07:33 PM
Replies: 6
Views: 473
Posted By chiphead
Cut the dust cover ears off the trans or loosen...

Cut the dust cover ears off the trans or loosen the headers.
Forum: Pontiac - Street 04-20-2024, 12:29 AM
Replies: 4
Views: 260
Posted By chiphead
Same setup here, 19.5" fan, HD clutch, RARE AC...

Same setup here, 19.5" fan, HD clutch, RARE AC pulleys for 11 bolt pump. AC shroud on non AC radiator. I did the thermo mod to the clutch so it pulls in at a lower temp. Mine sounds just like a...
Forum: Performance Parts For Sale/Wanted 04-05-2024, 11:40 PM
Replies: 14
Views: 1,833
Posted By chiphead
FWD drum and input shaft, clutches, band, other...

FWD drum and input shaft, clutches, band, other parts sold. Thanks PY!

Still have the

4L60E style bolt-in center support. $80

Double bushed sun gear with heavy wall sun shell $50
...
Forum: Pontiac - Street 04-03-2024, 03:37 PM
Replies: 23
Views: 779
Posted By chiphead
Another vote for Pro-Race for a quality unit that...

Another vote for Pro-Race for a quality unit that fits the stock pulleys, crank snout and 11 bolt timing cover properly.
Forum: Pontiac - Street 03-30-2024, 10:07 AM
Replies: 11
Views: 580
Posted By chiphead
Here's an example: When I bought my red car, it...

Here's an example: When I bought my red car, it had 2.56 gears. It was set up to hold first gear out a little longer, and then stay in second until about 50 MPH at light throttle. The car felt...
Forum: Pontiac - Street 03-30-2024, 09:56 AM
Replies: 11
Views: 580
Posted By chiphead
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. ...
Forum: Pontiac - Street 03-27-2024, 12:39 AM
Replies: 8
Views: 662
Posted By chiphead
I wouldn't install it in a car without a rebuild....

I wouldn't install it in a car without a rebuild. But just for grins, I once took a spare chevy inline 6 that was sitting on the ground, chocked it up with wood blocks and started it. I let it idle...
Forum: Pontiac - Street 03-25-2024, 02:18 PM
Replies: 14
Views: 833
Posted By chiphead
I was planning on doing a shift kit and swapping...

I was planning on doing a shift kit and swapping the loose converter for a 10" continental Jim Hand I have. I could put the stock pressure regulator spring back in it. But I'm now concerned about...
Forum: Pontiac - Street 03-22-2024, 05:13 PM
Replies: 14
Views: 833
Posted By chiphead
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...
Forum: Pontiac - Street 03-22-2024, 03:20 PM
Replies: 8
Views: 438
Posted By chiphead
I've got that setup with a flat lemans hood now. ...

I've got that setup with a flat lemans hood now. RPM and QF 4150. I can't run taller than a 2" element with a drop base 14" aircleaner. Needed to shave the wing nut so it would clear the hood. It...
Forum: Pontiac - Street 03-22-2024, 12:44 PM
Replies: 14
Views: 833
Posted By chiphead
Thanks for the charts! I let the engine warm...

Thanks for the charts!

I let the engine warm up for a few minutes then checked line pressure. Here are my TH400 pressures as it sits, before I change anything.

With vacuum modulator...
Forum: Pontiac - Street 03-22-2024, 10:21 AM
Replies: 14
Views: 833
Posted By chiphead
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...
Forum: Pontiac - Street 03-22-2024, 09:35 AM
Replies: 6
Views: 458
Posted By chiphead
A harsh shift shocks the internal parts and can...

A harsh shift shocks the internal parts and can cause breakage. The main line pressure, accumulators, orifice sizes in the separator plate, check balls, waved apply plates, clutch pack clearance,...
Forum: Pontiac - Street 03-19-2024, 11:48 PM
Replies: 79
Views: 8,863
Posted By chiphead
If you don't want to build a Q-jet, and you're...

If you don't want to build a Q-jet, and you're not running a spreadbore only intake, a 750cfm vacuum secondary 4150 is likely the way to go. Set some proform metering blocks up like a classic...
Forum: Pontiac - Street 03-18-2024, 05:34 PM
Replies: 20
Views: 1,239
Posted By chiphead
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...
Forum: Pontiac - Street 03-18-2024, 12:45 PM
Replies: 14
Views: 833
Posted By chiphead
I hear you, I'll freshen it when this motor comes...

I hear you, I'll freshen it when this motor comes out in the next year or two. But I'd like to open it up, change the filter and see if its healthy. If not, I'll need to do the motor swap sooner...
Forum: Pontiac - Street 03-17-2024, 07:33 PM
Replies: 20
Views: 1,239
Posted By chiphead
A 3 wire alternator, properly installed. ...

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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