Engine re-do question

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Oct 3, 2003 | 10:03 PM

#16

Post Fiend

Joined: Feb 2000

Posts: 5,130

Likes: 8

From: Brea CA

Quote:

Originally posted by Jarlaxle
Then it's not a PI--it looks like a low- to medium-rise iron intake. It was free...my friend said it was a PI intake...which it seems it is not. I don't have a clue what the casting numbers are...never checked.

Hmmm... maybe it's a CJ manifold, does it look like this?

The casting number has been chalked, it's C8OE-9425-C

Oct 4, 2003 | 11:38 AM

#17

Jarlaxle

Thread Starter

Laughing Gas

Joined: Jul 2003

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From: New England

Could be...but I think it's a spread-bore design.

Oct 4, 2003 | 01:08 PM

#18

dinosaurfan

Cargo Master

Joined: Aug 2000

Posts: 2,931

Likes: 12

From: SW Michigan

intakes

Jar, could you go take a look at the manifold you have and read us the casting # ? we're all dying to know what it really is.....or can you take a picture of it ? FEs never came with a spread bore carb that I am aware of....at least not in the usa. Canada or mexico or Austrailia, who knows. I wonder if maybe you have a P.I. manifold for a 429....some of those had a spread bore carb, where made of iron, and don't stand very tall. DF

Oct 4, 2003 | 04:47 PM

#19

Jarlaxle

Thread Starter

Laughing Gas

Joined: Jul 2003

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From: New England

My friend just returned my e-mail--the casting is C3O(unreadable)-and everything after that is illegible. It looks like the carb pad was milled to make it seal, & the casting number was damaged. The "o" could be a C, a G, or a zero, or a D...he says it's pretty hard to read.

Wouldn't "C3XX" be a 1963 intake? Hmm...off a police 352 or 360 maybe?

It' a square-bore design, & I was wrong about the carb--he currently has a 750 Holley, not an Edelbrock.

This thing has definitely been around the block!

I thought the 428CJ had an aluminum intake?

Oct 4, 2003 | 05:07 PM

#20

Post Fiend

Joined: Feb 2000

Posts: 5,130

Likes: 8

From: Brea CA

C3 is a '63 casting code. It means it was designed in '63 but could have been cast later than that, the date code tells when it was poured. There should be a letter after that, possibilities would be a A, O, or X. If it's an O, then it was for an intermediate or compact car, a full-size car would be an A. Problem is, in '63 all the production FE's were in full-size cars and they were all A's. Boy I sure wish you could get a pic of it.

Production 428CJ's all got iron manifolds. The 428PI's got aluminum ones until '68.

Barry

Oct 4, 2003 | 06:38 PM

#21

Jarlaxle

Thread Starter

Laughing Gas

Joined: Jul 2003

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From: New England

I just e-mailed him again...he said it looks like a 3, but could be "C8"...someone REALLY butchered this number with a grinder.

Oct 4, 2003 | 06:39 PM

#22

Jarlaxle

Thread Starter

Laughing Gas

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From: New England

Also, what letter would a truck use?

Oct 4, 2003 | 06:49 PM

#23

Post Fiend

Joined: Feb 2000

Posts: 5,130

Likes: 8

From: Brea CA

Truck would be a T.

The only C8OE manifold for the FE I can think of right now would be the CJ.

Barry

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Oct 4, 2003 | 07:13 PM

#24

DuckRyder

Senior User

Joined: Apr 2003

Posts: 425

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From: Knoxville, TN

Does it have a big "S" or "T" on the number 1 runner?

(like this)

http://bellsouthpwp.net/D/u/DuckRyder/F100/3310bW.jpg

OH, And did I read that right, that the Blue Thunder PI "Look A Like" is good for 20 hp over an RPM?

Last edited by DuckRyder; Oct 4, 2003 at 07:17 PM.

Oct 4, 2003 | 08:28 PM

#25

Jarlaxle

Thread Starter

Laughing Gas

Joined: Jul 2003

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From: New England

Some clown ground most of the "bumps" and almost all the markings off this thing...no idea what it is. It does NOT have the cylinder numbers on the runners.

Oct 4, 2003 | 09:15 PM

#26

Ratsmoker

Post Fiend

Joined: Feb 2001

Posts: 6,624

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From: Missouri

The Blue Thunder intake is said to outperform the RPM everytime. 20HP is probably a good estimate. It is much better than the PI intake.

Oct 5, 2003 | 06:57 PM

#27

hotrodfeguy

More Turbo

Joined: Mar 2003

Posts: 578

Likes: 1

From: Green Bay Wi

But is 20 hp worth $200-$300 ? With that said wouldn't you be better off with a NOS spacer plate for a little more money.You can change HP jets and go wild with the spray.You would make more HP/TQ with the stock intake.