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Forum: Pontiac - Race 03-23-2024, 09:35 AM
Replies: 14
Views: 715
Posted By tc
Craig, I have 1.65 ratio in HS and Scorpion. ...

Craig, I have 1.65 ratio in HS and Scorpion. When setting up the rocker arm geometry, each brand required different pushrod lengths with the cam I have.

Also, the Scorpions measured 1.65 ratio...
Forum: Pontiac - Race 10-06-2023, 12:31 PM
Replies: 17
Views: 1,124
Posted By tc
On a set of 428 pistons, I milled .156 deep in a...

On a set of 428 pistons, I milled .156 deep in a D shape, to keep the quench area. Was about 15-18 cc's, don't remember exactly.
Forum: Pontiac - Race 09-22-2023, 10:16 AM
Replies: 3
Views: 382
Posted By tc
Are you close to Fairfax Ia? Brandospeed. ...

Are you close to Fairfax Ia? Brandospeed. Brandon may be able to help.
Forum: Pontiac - Street 09-14-2023, 12:06 PM
Replies: 69
Views: 3,080
Posted By tc
My above post is wrong, you might have to bend...

My above post is wrong, you might have to bend the sleeve toward the elongation. That is what I get for posting during break time and then 5 min into work realize that was dumb. Then having to wait...
Forum: Pontiac - Street 09-14-2023, 10:25 AM
Replies: 69
Views: 3,080
Posted By tc
Tim, I'm not sure where the hole is in relation...

Tim, I'm not sure where the hole is in relation to your elongating work. You may have to slice ( cut ) the sleeve part way and bend it around (toward ) the area with the hole to keep the...
Forum: Pontiac - Race 08-31-2023, 12:37 PM
Replies: 44
Views: 2,528
Posted By tc
You're welcome. Too bad you don't live closer...

You're welcome. Too bad you don't live closer and I have my mill ready to use, it would be fun to put larger dowels holes in the caps and the block.
Forum: Pontiac - Race 08-31-2023, 07:55 AM
Replies: 44
Views: 2,528
Posted By tc
If you read at the bottom of the page in the holo...

If you read at the bottom of the page in the holo krome link, you'll see how hard dowel pins are we use. A drill bit will not drill thru the case hardening.
Forum: Pontiac - Race 08-30-2023, 10:44 PM
Replies: 44
Views: 2,528
Posted By tc
https://www.holo-krome.com/uploads/7/2/7/5/7275408...

https://www.holo-krome.com/uploads/7/2/7/5/72754089/hk.usa.dp.p.pdf

I talked about dowel sizes to show why you could not find a .001 undersize reamer. That would be .0012 press fit and that is...
Forum: Pontiac - Race 08-30-2023, 07:21 PM
Replies: 44
Views: 2,528
Posted By tc
If your pins are .3125 dia, then they are not...

If your pins are .3125 dia, then they are not dowel pins from a tooling standpoint or they are made wrong. They would have been ground too small and I have seen that here at work with a lesser...
Forum: Pontiac - Race 08-30-2023, 12:21 PM
Replies: 44
Views: 2,528
Posted By tc
Standard dowels ( not under or oversize ) are...

Standard dowels ( not under or oversize ) are actually two tenths ( .0002 ) larger than nominal fractional size. Reamers are sized
press fit- one half thousandths under nominal size ( .0005 )
on...
Forum: Pontiac - Race 08-27-2023, 04:25 PM
Replies: 24
Views: 1,321
Posted By tc
You and your brother desirve a big smile, and you...

You and your brother desirve a big smile, and you got one from my wife and I. Sorry that your dad is not racing anymore, so let's bring this back.

https://www.youtube.com/watch?v=LkopYuGBjc0
Forum: Pontiac - Street 08-02-2023, 04:33 PM
Replies: 8
Views: 402
Posted By tc
closer

closer
Forum: Pontiac - Street 08-02-2023, 04:29 PM
Replies: 8
Views: 402
Posted By tc
here it is

here it is
Forum: Pontiac - Street 08-02-2023, 02:43 PM
Replies: 8
Views: 402
Posted By tc
I do. I'll upload a pic after work.

I do. I'll upload a pic after work.
Forum: Pontiac - Street 06-30-2023, 12:28 PM
Replies: 49
Views: 6,405
Posted By tc
That's a good question. DUI sells one module to...

That's a good question. DUI sells one module to be used on different brand engines ( Pontiac, Chevy, etc. ) and wouldn't these engines would have different pickup coil polarity. Looks like they...
Forum: Pontiac - Street 06-12-2023, 12:30 PM
Replies: 74
Views: 3,821
Posted By tc
Depends on what you want from your car. I have...

Depends on what you want from your car. I have never really cared about hp and tq numbers. I just wanted my car to run high 11's to race in a 12.00 class. The engine is a 428, iron heads. 9.6...
Forum: Pontiac - Street 06-12-2023, 12:15 PM
Replies: 9
Views: 656
Posted By tc
I did not mean hole spacing, I meant from the...

I did not mean hole spacing, I meant from the gear ( pinion ) to either hole. Are you sure it's a Pontiac starter. I had to mill the mounting block on my CVR mini starter to fit the 428 engine.
Forum: Pontiac - Street 06-12-2023, 10:13 AM
Replies: 9
Views: 656
Posted By tc
The distance left to right ( your photo arrows up...

The distance left to right ( your photo arrows up and down ) is probably different between the two starters. Is this starter new, or a used one that someone may have milled the mounting plate?
Forum: Pontiac - Street 06-05-2023, 12:35 PM
Replies: 26
Views: 1,805
Posted By tc
Do you know anyone with a mill? I have milled...

Do you know anyone with a mill? I have milled headers flanges, would not need to take too much off to mill the flange at an angle. If you took .03 off the top edge of the flange, that would give...
Forum: Electrical Tech 05-08-2023, 12:24 PM
Replies: 20
Views: 1,826
Posted By tc
Even if I used the ford style, I would have the...

Even if I used the ford style, I would have the same question. Using a push button ( to crank, not start the engine, key off ), one wire to the battery and the other wire to the same post ( ford...
Forum: Electrical Tech 05-07-2023, 09:54 PM
Replies: 20
Views: 1,826
Posted By tc
Another question. The terminal with the two tabs...

Another question. The terminal with the two tabs shown below, would have the ignition switch attached one tab. Can I hook up a push button switch, to crank the engine from outside the car, to the...
Forum: Electrical Tech 05-05-2023, 07:29 PM
Replies: 20
Views: 1,826
Posted By tc
No problem, happy for the help. This is all new...

No problem, happy for the help. This is all new to me. Wish the connector shown above had larger gauge wires on it.
Forum: Electrical Tech 05-05-2023, 02:44 PM
Replies: 20
Views: 1,826
Posted By tc
The amperage rating is on the relay. open-60/80,...

The amperage rating is on the relay. open-60/80, close-40/70. I suppose the close rating is high enough for 30-35 amps a hot starter solenoid could draw.

My mini starter states to not put a...
Forum: Electrical Tech 05-05-2023, 12:38 PM
Replies: 20
Views: 1,826
Posted By tc
I can buy these, but would like a mountable relay...

I can buy these, but would like a mountable relay harness.. I can make something to encase the harness. The harness's I have seen have small wires on them. This harness list as:
60/70/80A @ 14 VDC...
Forum: Electrical Tech 05-04-2023, 08:51 PM
Replies: 20
Views: 1,826
Posted By tc
Thanks I have a bunch of 40 amp bosch style...

Thanks
I have a bunch of 40 amp bosch style relays. Do you think it's hard on the relay if the current draw is 30 or even 35 amps.
Also, do you know of a good place to buy a connector for the...
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