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Search took 0.05 seconds. Search: Posts Made By: chiphead
Forum: Pontiac - Street 09-18-2024, 12:53 PM
Replies: 53
Views: 2,425
Posted By chiphead
When I compared the 2802 cam specs, it is more...

When I compared the 2802 cam specs, it is more similar to a 744 cam. The HIT-284 Crane cam I pulled out was 228/235 at 050, about 500 lift. The stock retainers had mashed the aftermarket Viton...
Forum: Pontiac - Street 09-18-2024, 12:01 AM
Replies: 53
Views: 2,425
Posted By chiphead
I'm running 16* base timing, 19* advance bushing,...

I'm running 16* base timing, 19* advance bushing, timing all in by 3100 or so. Another 11 degrees on vacuum advance. I run 93 octane E10 gas. Throw more base timing at it, reduce mechanical...
Forum: Pontiac - Street 09-17-2024, 10:33 PM
Replies: 53
Views: 2,425
Posted By chiphead
I've got the same engine, 400, 62 heads, 2802...

I've got the same engine, 400, 62 heads, 2802 cam, 1.5 rockers. RPM intake, QF 750 double pumper, headers, 2.5 exhaust, magnaflow mufflers dumped. 35* at 3000. Loose converter and 3.25 gears with...
Forum: Pontiac - Street 09-16-2024, 12:20 PM
Replies: 28
Views: 1,396
Posted By chiphead
https://farmmachinerydigest.com/saturation-time-ch...

https://farmmachinerydigest.com/saturation-time-checking-gm-hei-module-dwell/

The ceramic circuit board takes the signal from the pickup coil and uses that to control the power transistor that...
Forum: Pontiac - Street 09-14-2024, 08:42 AM
Replies: 44
Views: 1,339
Posted By chiphead
Exactly this. If the actual engine temp is 180+...

Exactly this. If the actual engine temp is 180+ with a 165 thermostat, the cooling system has lost control of engine temperature. Either that, or the electric temp gauge has a wiring issue and is...
Forum: Pontiac - Street 07-30-2024, 09:43 AM
Replies: 14
Views: 683
Posted By chiphead
What Steve said. The RAIV cams tend to make...

What Steve said.

The RAIV cams tend to make 400s lazy below 2800 RPM and hurt vacuum for power brakes. So you need the converter/gears to match the cam's powerband.

The largest cam you could...
Forum: Pontiac - Street 07-30-2024, 08:41 AM
Replies: 23
Views: 1,189
Posted By chiphead
Put a piece of tape over the AFR meter so you're...

Put a piece of tape over the AFR meter so you're not chasing a number during tuning. If you're happy with how it runs, stick with the orange pump cam. If not, try the green or pink cam in the #1...
Forum: Pontiac - Street 07-09-2024, 12:43 PM
Replies: 57
Views: 2,588
Posted By chiphead
On my 67, with a 14x2.5 filter on a 1" drop base,...

On my 67, with a 14x2.5 filter on a 1" drop base, I've got about 13/16" between the top of the vents and the top of the filter element. With the lid on and hood closed, the clay showed about 3/8" to...
Forum: Pontiac - Street 07-07-2024, 11:17 PM
Replies: 57
Views: 2,588
Posted By chiphead
I use a parts-store edelbrock drop-base, the one...

I use a parts-store edelbrock drop-base, the one with the black crinkle finish on the 400/RPM/QF750. Lemans flat hood. Just barely clears with a 2.5" element. Whatever you do, you need at LEAST...
Forum: Pontiac - Street 07-05-2024, 11:07 AM
Replies: 7
Views: 661
Posted By chiphead
Fuel level should be in the middle of the sight...

Fuel level should be in the middle of the sight glass on those carbs when idling. 5.5-6.5 lbs fuel pressure at idle.

Cruise mixture is controlled by the idle circuit below 2500 RPM. This is the...
Forum: Pontiac - Street 06-27-2024, 11:17 AM
Replies: 4
Views: 382
Posted By chiphead
I've got the quicksilver, it can be adapted to...

I've got the quicksilver, it can be adapted to fit the 66-67 console, I assume other years can be made to fit well. The shifter assy has locations for the backup and NS microswitches. I ran it in...
Forum: Pontiac - Street 06-22-2024, 09:52 AM
Replies: 18
Views: 1,234
Posted By chiphead
Here's the stupid simple cam inspection method: ...

Here's the stupid simple cam inspection method: If the pushrods are spinning, the cam isn't wiped. The first thing to fail when a cam wipes, is the lobe/lifter taper that spins the lifters and...
Forum: Pontiac - Street 06-12-2024, 10:49 PM
Replies: 3
Views: 389
Posted By chiphead
White smoke like steam or white smoke like slight...

White smoke like steam or white smoke like slight oil burning?

Were the valve guides and valves replaced when the heads were done? Oil smoke on fire-up can be oil getting past valve stem seals...
Forum: Pontiac - Street 06-10-2024, 10:51 PM
Replies: 43
Views: 2,592
Posted By chiphead
An engine develops maximum cylinder pressure when...

An engine develops maximum cylinder pressure when running at WOT. Some of that blowby will make it past the rings and into the crankcase. On a healthy engine with a working PCV, that crankcase...
Forum: Suspension TECH 05-20-2024, 08:02 AM
Replies: 6
Views: 1,193
Posted By chiphead
Stock suspension with boxed lowers, adjustable...

Stock suspension with boxed lowers, adjustable uppers, 4-speed braces, the proper stock or wagon springs and good shocks will work wonders. The stock 4 link suspension can 60 foot into the 1.4s,...
Forum: Pontiac - Street 04-20-2024, 07:33 PM
Replies: 6
Views: 853
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 03-30-2024, 10:07 AM
Replies: 11
Views: 1,227
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: 1,227
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 03-18-2024, 05:34 PM
Replies: 20
Views: 1,847
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 03-17-2024, 07:33 PM
Replies: 20
Views: 1,847
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,...
Forum: Pontiac - Street 03-13-2024, 10:46 AM
Replies: 13
Views: 1,153
Posted By chiphead
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...
Forum: Pontiac - Street 03-10-2024, 12:37 PM
Replies: 74
Views: 6,235
Posted By chiphead
Depends on a lot of factors. Cheap walmart tires...

Depends on a lot of factors. Cheap walmart tires in Arizona, 3-4 years tops. Michelins in a mild climate and maintained well, likely 8 years if they don't wear out first. Usually I wear out a set...
Forum: Pontiac - Street 02-29-2024, 01:42 PM
Replies: 26
Views: 2,764
Posted By chiphead
I always use 1016 gasket and ARP bolts with iron...

I always use 1016 gasket and ARP bolts with iron heads.

Have the heads been checked for cracks? I could see a head crack making you chase your tail.
Has the depth of the block's bolt holes...
Forum: Performance Parts For Sale/Wanted 02-28-2024, 10:10 AM
Replies: 0
Views: 379
Posted By chiphead
Pair of 8" weld draglites FS

Selling my pair of weld draglite wheels. They are 5.5 backspace from the mounting face to the inner wheel lip, and 3.5" from the mounting face to the outer wheel lip. They have the 5x4.75 and 5x4.5...
Forum: Pontiac - Street 02-16-2024, 01:08 AM
Replies: 19
Views: 1,804
Posted By chiphead
With MSD, I assume it's a CYA thing. If the coil...

With MSD, I assume it's a CYA thing. If the coil is upright and does leak, it's going to run longer before the air bubble inside gets large enough to cause failure. Mounted upside down, a leak will...
Showing results 1 to 25 of 126
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