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Search took 0.11 seconds. Search: Posts Made By: chiphead
Forum: Pontiac - Street Yesterday, 12:53 PM
Replies: 48
Views: 1,427
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 Yesterday, 12:01 AM
Replies: 48
Views: 1,427
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: 48
Views: 1,427
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 09-17-2024, 01:19 PM
Replies: 9
Views: 248
Posted By chiphead
Blocking heater hose connections on engine?

Did a search and didn't find what I was looking for.

I've got those rubber caps blocking the heater hose nipples on my 400. The one on the timing cover has begun weeping coolant. Is there...
Forum: Pontiac - Street 09-16-2024, 12:20 PM
Replies: 28
Views: 1,054
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: 1,175
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 09-05-2024, 08:21 AM
Replies: 29
Views: 834
Posted By chiphead
I had trouble with the bottom edge of the RPM...

I had trouble with the bottom edge of the RPM intake flanges hitting the valley pan. I had to clearance the intake and use RTV on the valley pan to get enough clearance for the intake to clear. I...
Forum: Pontiac - Street 08-29-2024, 07:51 AM
Replies: 46
Views: 1,447
Posted By chiphead
Cut the oil filter open first. If there is no...

Cut the oil filter open first. If there is no metal in the filter pleats, this is a good sign. Usually if an engine is going away, the shredded bearing material gets trapped in the oil filter...
Forum: Performance Parts For Sale/Wanted 08-28-2024, 01:30 PM
Replies: 1
Views: 240
Posted By chiphead
Bump $100 shipped to the lower 48. If you...

Bump

$100 shipped to the lower 48. If you need a deep pan for a TH350, this really is a good one. I'm going TH400 otherwise I would reuse it.
Forum: Suspension TECH 08-28-2024, 12:55 PM
Replies: 27
Views: 1,000
Posted By chiphead
I use the rubber isolators on the top of the...

I use the rubber isolators on the top of the springs where they meet the frame. All rear suspension bushings got poly grease on the moving faces. I've got the adjustable uppers with the spherical...
Forum: Pontiac - Street 08-27-2024, 07:50 AM
Replies: 9
Views: 385
Posted By chiphead
On some Pontiacs the B+ cable routes behind the...

On some Pontiacs the B+ cable routes behind the driver side cylinder head, goes through that tube and down to the starter. The tube is attached to an accy bolt hole on the backside of the head. I...
Forum: Pontiac - Street 08-21-2024, 12:47 PM
Replies: 14
Views: 1,008
Posted By chiphead
I run E10 93 in my '67. 69 400 with 62 heads and...

I run E10 93 in my '67. 69 400 with 62 heads and 2802 cam. I would run 93 straight gas if I could find it, but all I can find is 89 octane. 91 straight gas would be fine. Lead additive...
Forum: Pontiac - Street 07-31-2024, 02:38 PM
Replies: 41
Views: 1,931
Posted By chiphead
With the stock rods, I'd use the crower 60243. ...

With the stock rods, I'd use the crower 60243. You don't want to revv it too high with those stock rods. I used a XE274 in a 400 with 6.8 rods, and it did pretty well at 8.8 compression. 13...
Forum: Pontiac - Street 07-30-2024, 09:43 AM
Replies: 14
Views: 677
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: 1,164
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: Performance Parts For Sale/Wanted 07-29-2024, 09:41 PM
Replies: 1
Views: 240
Posted By chiphead
TH350 cast aluminum pan FS

Still selling off my stash of TH350 parts.

Cast aluminum deep pan for sale. Nice, thick flange, drain plug, extra 2 quart capacity. Comes with correct bolts and filter spacer. I think this was...
Forum: Pontiac - Street 07-29-2024, 05:24 PM
Replies: 43
Views: 54,255
Posted By chiphead
This again? OE motors went to rollers 10-15...

This again?

OE motors went to rollers 10-15 years before the zinc started to be reduced in 2004. Chrysler had a roller cam in the 318 by 1985! I had one in a 85 Fifth Ave, slow but what an...
Forum: Pontiac - Street 07-25-2024, 12:55 PM
Replies: 23
Views: 1,164
Posted By chiphead
The idle circuit is a good suggestion to check. ...

The idle circuit is a good suggestion to check. I've found that primary transfer slot exposed at idle makes a huge difference in how the engine responds to off idle.

If you've got too much slot...
Forum: Pontiac - Street 07-24-2024, 02:24 PM
Replies: 23
Views: 1,164
Posted By chiphead
On my 400 with 750 DP, I'm using the pink "330"...

On my 400 with 750 DP, I'm using the pink "330" pump cam in the #1 hole with the front shooter drilled out to .033". Find the cam that works best, then go up .002-.003" on the shooter size until it...
Forum: Pontiac - Street 07-13-2024, 04:49 PM
Replies: 39
Views: 2,247
Posted By chiphead
I just noticed he says cranking compression is in...

I just noticed he says cranking compression is in the 130s. My 400 with 62 heads pumps 165-170 psi with a 2802 cam. Since the xe262 should give high psi due to early intake closing, something is...
Forum: Pontiac - Street 07-12-2024, 12:25 PM
Replies: 39
Views: 2,247
Posted By chiphead
I call those pistons 8-eyed monsters, LOL. ...

I call those pistons 8-eyed monsters, LOL. They're pretty bad. Old style ringpack, compression killing outer bevel, 8-valve reliefs that also reduce compression, they sit down in the hole and they...
Forum: Pontiac - Street 07-12-2024, 11:57 AM
Replies: 39
Views: 2,247
Posted By chiphead
Jay-heezus, mine wasn't that expensive when I...

Jay-heezus, mine wasn't that expensive when I bought it 10 years ago. I've used it stand-alone in my current car. With my old car, I used it with a Mallory 685 box and a single stage of nitrous. ...
Forum: Pontiac - Street 07-11-2024, 06:13 PM
Replies: 39
Views: 2,247
Posted By chiphead
This is why I always use a MSD dizzy, I'm lazy. ...

This is why I always use a MSD dizzy, I'm lazy. The advance curves predicted by the combinations of weights and stop bushings are pretty accurate in a MSD unit. Most points dizzys are worn out or...
Forum: Pontiac - Street 07-09-2024, 12:43 PM
Replies: 57
Views: 2,551
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 07-08-2024, 10:41 PM
Replies: 57
Views: 2,551
Posted By chiphead
Yeah, I always thought those heart shaped...

Yeah, I always thought those heart shaped aircleaners were awful. The foam would disintegrate, or catch fire if it got fuel soaked. Buddy had one on a '67 firebird, I think a backfire made it go...
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