289 hp numbers

Reply Subscribe

Thread Tools

Search this Thread

Dec 20, 2004 | 05:24 PM

#11

import slayer

3rd Gear Member

Joined: Nov 2004

Posts: 807

From:

RE: 289 hp numbers

BTW, how much compression are we talking here?

Dec 20, 2004 | 05:58 PM

#12

Soaring

I ♥ Acer

Joined: Oct 2004

Posts: 17,565

From:

RE: 289 hp numbers

Quote:

ORIGINAL: import slayer

BTW, how much compression are we talking here?

I would assume somewhere in the neighborhood of 10.5 with this set-up.

Dec 20, 2004 | 06:37 PM

#13

import slayer

3rd Gear Member

Joined: Nov 2004

Posts: 807

From:

RE: 289 hp numbers

Yeah.. I still say somewhere in the 270hp range. Although, the pre-'68 shelby's had a HP rating of 306 from the 289. I don't know what the differences where between the 271hp and 306hp engines though.

Dec 21, 2004 | 09:27 AM

#14

horseshoeing

3rd Gear Member

Joined: Jun 2004

Posts: 590

From:

RE: 289 hp numbers

The shelby had a better intake and a better cam and a bigger carb.

Dec 21, 2004 | 12:47 PM

#15

69FECoupe

3rd Gear Member

Joined: Apr 2004

Posts: 686

From:

RE: 289 hp numbers

The Shelby had the same solid lifter cam as the 289/271. It was the 715 CFM Holley combined with an improved intake and exhaust that brought it to 306HP.

Dec 21, 2004 | 05:27 PM

#16

import slayer

3rd Gear Member

Joined: Nov 2004

Posts: 807

From:

RE: 289 hp numbers

Quote:

ORIGINAL: 69FECoupe

The Shelby had the same solid lifter cam as the 289/271. It was the 715 CFM Holley combined with an improved intake and exhaust that brought it to 306HP.

That's what I was thinking but wasn't sure about it.