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Forum: Pontiac - Street 09-18-2024, 04:24 PM
Replies: 37
Views: 1,510
Posted By JLMounce
The difference between what we believed was a...

The difference between what we believed was a 2.73 to the 3.42 that we put in my wife's chevelle was night and day.

Not that we recorded mileage on the car, but it seemed somewhat the same and...
Forum: Heating & Cooling TECH 09-18-2024, 02:49 PM
Replies: 14
Views: 413
Posted By JLMounce
I did speak with Cold Case directly and as...

I did speak with Cold Case directly and as mentioned here above, you can in fact drill into the U channel which is hollow. So, I'll be doing that.
Forum: Pontiac - Street 09-17-2024, 02:17 PM
Replies: 14
Views: 295
Posted By JLMounce
You can go from as mild as adding a sway bar and...

You can go from as mild as adding a sway bar and upgraded shocks to the stock control arms and springs, to rear link type suspensions and aftermarket sub-frames.

Depending on what your goals are...
Forum: Pontiac - Street 09-16-2024, 05:02 PM
Replies: 37
Views: 1,510
Posted By JLMounce
You might find that doing some of those small...

You might find that doing some of those small things and making sure the car is right and tight is all you need.

My wife had a 1970 Chevelle with a basic Chevy 350. It was one of those Gm...
Forum: Pontiac - Street 09-16-2024, 03:51 PM
Replies: 37
Views: 1,510
Posted By JLMounce
I echo what everyone else is saying here. ...

I echo what everyone else is saying here. 300-350hp at the rear wheels is going to be a tall order for your engine. is it possible to build a 350P to make that kind of power, yes. But it's not a...
Forum: Pontiac - Street 09-13-2024, 04:45 PM
Replies: 44
Views: 1,304
Posted By JLMounce
The sniper runs the fan in stall and crank? ...

The sniper runs the fan in stall and crank?

I guess that would create a pretty easy test for the OP. When the engine is off and heat soaked, disable the fan in the ecu, then attempt to start.
Forum: Pontiac - Street 09-13-2024, 01:05 PM
Replies: 53
Views: 2,060
Posted By JLMounce
was that darkblish who is doing the supercharger...

was that darkblish who is doing the supercharger project? I know he had some issues with the evolution lifters. That was attributed more to the fact that the spring pressures to combat boost were...
Forum: Suspension TECH 09-13-2024, 12:51 PM
Replies: 35
Views: 960
Posted By JLMounce
Rubber bushings are physically connected to the...

Rubber bushings are physically connected to the bushings shells. They actually twist in the shells, so there's no rubber moving against metal. As a result, they don't squeak. Unless they've torn...
Forum: Pontiac - Street 09-13-2024, 12:47 PM
Replies: 44
Views: 1,304
Posted By JLMounce
You can try an insulating spacer under the sniper...

You can try an insulating spacer under the sniper to help with that.

It sounds like this is a crank and no start issue after a short heat soak.

What may be happening is that as the car sits for...
Forum: Heating & Cooling TECH 09-13-2024, 10:51 AM
Replies: 29
Views: 1,072
Posted By JLMounce
And the Flex-A-Lite Black Magic 180 for F-body...

And the Flex-A-Lite Black Magic 180 for F-body sized radiators. This is what I use and it cools sitting still and at highway speed.

The shroud is definitely critical.
Forum: Pontiac - Street 09-11-2024, 02:33 PM
Replies: 93
Views: 12,758
Posted By JLMounce
Perfect, thanks for the info!

Perfect, thanks for the info!
Forum: Pontiac - Street 09-11-2024, 02:08 PM
Replies: 93
Views: 12,758
Posted By JLMounce
Jeff said 145lbs on the seat. He did not give me...

Jeff said 145lbs on the seat. He did not give me an over the nose pressure

The springs are rated at 395 lbs at coil bind. I'm at about 85% of coil bind with a 1.8 install height ant .596" of...
Forum: Pontiac - Street 09-11-2024, 12:34 PM
Replies: 93
Views: 12,758
Posted By JLMounce
Not sure. When I asked Jeff Kauffman for an...

Not sure. When I asked Jeff Kauffman for an estimate he thought 550-575.

Maybe I need to clarify some parameters. The cam figures I provided are @.050. Advertised duration is 293/301.

Gross...
Forum: Pontiac - Street 09-06-2024, 10:02 PM
Replies: 34
Views: 1,213
Posted By JLMounce
The rods I took out of my 455 were repeatedly...

The rods I took out of my 455 were repeatedly spun to 5700 rpm. They all looked good and straight, factory bolts too.

For a stocker or very mild performance build, I wouldn't hesitate to use...
Forum: Pontiac - Street 09-05-2024, 10:35 PM
Replies: 180
Views: 9,533
Posted By JLMounce
It’s been posted in a previous page. Here’s...

It’s been posted in a previous page. Here’s another fresh link.

https://www.youtube.com/live/O5f5ASA3ptY?si=0SN397-BphQER8Dw
Forum: Pontiac - Street 09-05-2024, 09:59 PM
Replies: 180
Views: 9,533
Posted By JLMounce
The link to the podcast is up, it’s good, go...

The link to the podcast is up, it’s good, go watch/listen.

He stated the intake was moved towards the center by around .080 and the exhaust moved towards the chamber edge by about .030. That was...
Forum: Pontiac - Street 09-05-2024, 03:31 PM
Replies: 93
Views: 12,758
Posted By JLMounce
Another quick update. The engine is going...

Another quick update. The engine is going together now. Assuming nothing comes up and I don't get bumped out of the way, it should go for dyno next week and be in my hands shortly after!

Who...
Forum: Pontiac - Street 08-15-2024, 05:49 PM
Replies: 60
Views: 2,724
Posted By JLMounce
Unless something has changed, the Moser "Muscle...

Unless something has changed, the Moser "Muscle Pack" 12 bolt should come with Chevy Special ends. Standard 12 bolt pattern, but utilizes the late model torino sealed bearing and bolt in axles.
...
Forum: Pontiac - Street 08-15-2024, 01:45 PM
Replies: 60
Views: 2,724
Posted By JLMounce
Depends. You can get a bare bones 9 from...

Depends.

You can get a bare bones 9 from Quick Performance for cheaper than something like a Moser 12, but it's not an apples to apples comparison.

You're comparing basically a factory 9" that...
Forum: Pontiac - Street 08-13-2024, 02:38 PM
Replies: 93
Views: 12,758
Posted By JLMounce
Went with the 310 port and also port matched the...

Went with the 310 port and also port matched the torker ii.

The heads got new springs (Pac 1903 at 1.8" IH) seals, valve job and a surface.
Forum: Pontiac - Street 08-13-2024, 01:47 PM
Replies: 93
Views: 12,758
Posted By JLMounce
Another quick update here. Received my heads...

Another quick update here.

Received my heads and intake back from Kauffman this past weekend. Shipped along with them was a new set of gaskets for the correct port size and we spec'd the Johnson...
Forum: Pontiac - Street 08-13-2024, 01:36 PM
Replies: 10
Views: 586
Posted By JLMounce
E10 has a lower boiling point than pure gasoline,...

E10 has a lower boiling point than pure gasoline, by a decent margin actually. As altitude increases it gets worse.

If you have access to pure gasoline without making your life a headache, and...
Forum: Pontiac - Street 07-26-2024, 02:51 PM
Replies: 14
Views: 673
Posted By JLMounce
I ran a couple configurations through the wallace...

I ran a couple configurations through the wallace cranking compression calculator. The cam you have has an intake close event at 46* ABDC. At 9.5:1 compression and a standardized barometer of 29.92...
Forum: Pontiac - Street 07-26-2024, 01:39 PM
Replies: 86
Views: 5,061
Posted By JLMounce
When the M20 goes...TKX When the 8.2 goes...12...

When the M20 goes...TKX
When the 8.2 goes...12 Bolt or 9"

Forced upgrades can be fun. Now imagine your 550hp 580tq engine backed with a stout manual and overdrive, with a stout differential...
Forum: Pontiac - Street 07-23-2024, 05:09 PM
Replies: 2
Views: 360
Posted By JLMounce
Before taking the front of the engine apart, I'd...

Before taking the front of the engine apart, I'd check to make sure that the balancer is indexed correctly by using a piston stop to determine TDC. Assuming your manually determined TDC matches the...
Showing results 1 to 25 of 370
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