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Forum: Early V8 (1932-53) 08-11-2020, 06:30 PM
Replies: 154
Views: 6,653
Posted By frnkeore
Re: Let's build a drag race 8BA engine

Although not early Ford, this is a good example of what HP to weight, can do for you:

https://www.youtube.com/watch?time_continue=571&v=uZesmtKZGSw&feature=emb_logo

That little 4th place car,...
Forum: Early V8 (1932-53) 08-10-2020, 05:23 PM
Replies: 154
Views: 6,653
Posted By frnkeore
Re: Let's build a drag race 8BA engine

You mean a 180 deg crank, right?

Yes, I think it would and 180's are good with 3 mains. I think that is what the Novi used.

It's said that they have vibration issues but, I don't think it would...
Forum: Early V8 (1932-53) 08-09-2020, 05:41 PM
Replies: 154
Views: 6,653
Posted By frnkeore
Re: Let's build a drag race 8BA engine

On the carbureation end of it, hook up a vacuum gauge and test the vacuum at WOT, in your torque range (Hardest pulling) and if you have more than 1.5" of vacuum (you need bigger carbs) or less than...
Forum: Early V8 (1932-53) 08-09-2020, 05:31 PM
Replies: 154
Views: 6,653
Posted By frnkeore
Re: Let's build a drag race 8BA engine

All other things equal, the answer is no.

It is HP per lb, that allows greater acceleration. If you were talking about just, top speed, like Bonneville or even, the standing mile, you might have a...
Forum: Early V8 (1932-53) 08-08-2020, 12:59 AM
Replies: 154
Views: 6,653
Posted By frnkeore
Forum: Early V8 (1932-53) 08-07-2020, 11:30 AM
Replies: 154
Views: 6,653
Posted By frnkeore
Re: Let's build a drag race 8BA engine

High Tim,
Please take another look at what I said.


I said that a N/A SBF can put out more than a supercharged flathead.

I learned ibefore the end of HS (1962) that the flathead wasn't...
Forum: Early V8 (1932-53) 08-07-2020, 01:40 AM
Replies: 154
Views: 6,653
Posted By frnkeore
Re: Let's build a drag race 8BA engine

Food for though.....

HP costs money but HP per CI, can cost a lot more. HP per CI, is what wins races in class racing.

Now a days, you can easily build a 304 to as much as a 315 CI FH, using...
Forum: Early V8 (1932-53) 08-06-2020, 12:01 PM
Replies: 154
Views: 6,653
Posted By frnkeore
Re: Let's build a drag race 8BA engine

So then, the best way to fill that cylinder, with the port that came with these engines, is to reduce the cubic inch displacement, to get the highest HP per CI.

In a class that has 11 lb per CI,...
Forum: Early V8 (1932-53) 08-04-2020, 01:34 AM
Replies: 154
Views: 6,653
Posted By frnkeore
Re: Let's build a drag race 8BA engine

The Highest compress you can get, on one of these engines, will be with FT pistons, with a CH or stroke set to get your piston within .042-.038 (possibly .036) of the head.

Even getting a dome...
Forum: Early V8 (1932-53) 07-30-2020, 07:32 PM
Replies: 154
Views: 6,653
Posted By frnkeore
Re: Let's build a drag race 8BA engine

As I said, I'm not building that engine. It was just food for thought, regarding what could be done with a smaller cube (higher hp per CI) engine, in a light car.

I just added the cam profile...
Forum: Early V8 (1932-53) 07-30-2020, 07:14 PM
Replies: 154
Views: 6,653
Posted By frnkeore
Re: Let's build a drag race 8BA engine

I forgot to add to my specs, that it had 3, 165 carbs (495 cfm @ 3" Hg).

I'm not so interested in the actual HP, but, more the peak rpm, for both hp and tq, as well as what the 5 deg advance does,...
Forum: Early V8 (1932-53) 07-30-2020, 04:53 PM
Replies: 154
Views: 6,653
Posted By frnkeore
Re: Let's build a drag race 8BA engine

This question is more for Pete and Kiwi.

I have a high end dyno sim. I had already run it with my above 21 stud info, using a 59A cam. I estimate that I will be able to get at least 9.2 CR out...
Forum: Early V8 (1932-53) 07-29-2020, 03:28 AM
Replies: 154
Views: 6,653
Posted By frnkeore
Re: Let's build a drag race 8BA engine

One more time :)

I didn't read the whole 2nd page! I now know that it 11 lb per CI, right?

First a FH will put out more HP per CI, the smaller it's displacement. The ports are the limiting...
Forum: Early V8 (1932-53) 07-29-2020, 02:41 AM
Replies: 154
Views: 6,653
Posted By frnkeore
Re: Let's build a drag race 8BA engine

Added:
I don't know how after market piston manufacturer's measure CH (I'm to cheap to order a set) but, Ford measures to the corner of the dome, above the top ring, not to the top of the dome. That...
Forum: Early V8 (1932-53) 07-29-2020, 02:32 AM
Replies: 154
Views: 6,653
Posted By frnkeore
Re: Let's build a drag race 8BA engine

Is there a cubic limitation in H/Gas? Or a cubic inch to weight rule?

As a basic thing with a N/A, FH, you need as much compress, as you can possibly get.

Make sure you know the compressed...
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