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Search: Posts Made By: Pete
Forum: Early V8 (1932-53) Today, 02:13 PM
Replies: 1
Views: 42
Posted By Pete
Re: V8-60 Isky Mushroom Lifters

Unless you were lucky enough to find an original set, you would have to make them and that would likely be in the $1500 area.

That wasn't a very good performing cam. It only lifts .315.
Forum: Model A (1928-31) Today, 01:47 PM
Replies: 24
Views: 912
Posted By Pete
Re: Max Compression Ratio

Here is a pic of one. The cam thrust bolt is visible also.
Forum: Model A (1928-31) Yesterday, 11:42 PM
Replies: 24
Views: 912
Posted By Pete
Re: Max Compression Ratio

There are a couple ways to do it.
Bore it and make a split sleeve.
Bore it bigger. Sleeve it. Broach a new keyway.
Forum: Early V8 (1932-53) Yesterday, 11:38 PM
Replies: 24
Views: 661
Posted By Pete
Re: WWII gas ration sticker placement?

There are hundreds of pictures of them on the internet. Many on eBay.
Copy a picture and print it.
Forum: Model A (1928-31) Yesterday, 09:09 PM
Replies: 24
Views: 912
Posted By Pete
Re: Max Compression Ratio

The one that will do the most good is the heaviest you can find and adapt.
This may work best but it is not always the best solution for people that do not want to modify the frame.
Most ones that...
Forum: Early V8 (1932-53) Yesterday, 07:34 PM
Replies: 24
Views: 661
Posted By Pete
Re: WWII gas ration sticker placement?

Here is the one I use at shows. Note the last entry.
Forum: Model A (1928-31) 10-10-2019, 10:49 PM
Replies: 24
Views: 912
Posted By Pete
Re: Max Compression Ratio

The PRACTICAL limit is usually determined by the octane of the gas you run.
The design limit of the parts and the cooling system are way beyond what they can be stressed by raising the compression...
Forum: Model A (1928-31) 10-10-2019, 10:33 PM
Replies: 9
Views: 420
Posted By Pete
Re: Castor angle

You may want to rethink that.
Forum: Early V8 (1932-53) 10-08-2019, 10:39 PM
Replies: 46
Views: 1,443
Posted By Pete
Re: 8ba rod bearing problem

As a side note Gary, Rottler is having their annual open house to the industry this weekend. Everybody will be there. I first met the old man in 1955.
Forum: Model A (1928-31) 10-08-2019, 09:36 PM
Replies: 21
Views: 658
Posted By Pete
Re: Reliability

Take the car to Brent at: https://www.fordbarn.com/forum/member.php?u=2219.

Give him a blank check and have him do everything you CAN NOT do.
Then take the car home and finish it with the list of...
Forum: Model A (1928-31) 10-07-2019, 07:27 PM
Replies: 13
Views: 686
Posted By Pete
Re: Oversize and Undersize Aluminum Cam Gears

It will be interesting to see how Dan does it.

I corrected a block that was too tight on a full pressure insert engine by sleeving the mainline back to standard to the camline.
I could have...
Forum: Early V8 (1932-53) 10-07-2019, 12:36 PM
Replies: 17
Views: 696
Posted By Pete
Re: Just a little nostalgia

Good photography but as usual with the movies, they choose to either ignore or distort the historical facts.
Long before there was a street roadster class at Bonneville, there were street driven...
Forum: Early V8 (1932-53) 10-03-2019, 07:41 PM
Replies: 24
Views: 661
Posted By Pete
Re: WWII gas ration sticker placement?

On the front of the sticker it said, it was to be placed in accordance with local law.
Forum: Early V8 (1932-53) 10-03-2019, 03:41 PM
Replies: 14
Views: 610
Posted By Pete
Forum: Early V8 (1932-53) 10-03-2019, 01:47 PM
Replies: 14
Views: 610
Posted By Pete
Re: Cutting domes in 21 stud aluminum heads?

.040.

In the interest of economy if you already have domed iron heads, I would run those and just paint them aluminum if you like that color. Saves buying a set of pistons. You will never feel the...
Forum: Early V8 (1932-53) 10-02-2019, 03:23 PM
Replies: 14
Views: 610
Posted By Pete
Re: Cutting domes in 21 stud aluminum heads?

An ultrasonic test will give you the best answer.

A bit of trivia. Flathead race engines that develop over one hp per cubic inch naturally aspirated use flat top pistons and flat no dome heads.
Forum: Early V8 (1932-53) 09-30-2019, 08:54 PM
Replies: 7
Views: 346
Posted By Pete
Re: Valve clearance Hot/Cold

The intake is ALWAYS given FIRST.

It is etched in stone.
Forum: Early V8 (1932-53) 09-30-2019, 08:19 PM
Replies: 8
Views: 403
Posted By Pete
Re: Disc trimer /cutter

Roger on that. It takes a bit of practice to see what angle to hold the grinder but it works slick.
Forum: Early V8 (1932-53) 09-30-2019, 05:38 PM
Replies: 2
Views: 212
Posted By Pete
Re: Isky 433 education

It is a flat tappet grind.
It was intended for all out racing similar to the 425.
It can be run on the street as long as you are familiar with the problems of a long duration high lift cam on the...
Forum: Early V8 (1932-53) 09-30-2019, 05:26 PM
Replies: 7
Views: 346
Posted By Pete
Re: Valve clearance Hot/Cold

It is .011 and .013 cold.

CORRECTION: The ones I do are set at the above specs.
I got my masters from an original Isky cam with the red steel seal on it, in the mid 50's.

It is important to...
Forum: Early V8 (1932-53) 09-30-2019, 05:21 PM
Replies: 8
Views: 403
Posted By Pete
Re: Disc trimer /cutter

If you are careful and practice for awhile, try holding the disc against a COARSE bench grinder wheel.
Cleans the edge up just like new.
Forum: Early V8 (1932-53) 09-29-2019, 03:29 PM
Replies: 16
Views: 454
Posted By Pete
Re: 8BA stock lifters

1- You should NOT reuse old lifters. Some people have gotten away with it but
it is a recipe for disaster.
2- See #1.
3- They should be convex. Originals were spherical. Modern ones are...
Forum: Model A (1928-31) 09-28-2019, 12:28 PM
Replies: 6
Views: 288
Posted By Pete
Re: model A/B lifters

The lifter bores are something few rebuilders check. Badly worn ones can make a poor running engine.
There is a remedy.

As a side note, most modern regrind cams are designed to run on 1 inch...
Forum: Early V8 (1932-53) 09-26-2019, 10:39 PM
Replies: 23
Views: 817
Posted By Pete
Re: Potvin cam specs

It is also a very good street cam in a big engine. (286 and over)

90 lb on the seat and 250 open works fine for street or race.
Single spring with damper.
This cam is very easy on the valve...
Forum: Early V8 (1932-53) 09-25-2019, 04:35 PM
Replies: 23
Views: 817
Posted By Pete
Re: Potvin cam specs

I know at least 7 people that have "original" 425's. I have seen 4 in person. Only 2 had the same lift. (they were ground by Potvin himself) I guess the others changed with age or how they were...
Showing results 1 to 25 of 500

 
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