5.8 w/5.0 upper intake.

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Sep 24, 2004 | 05:32 AM

#16

EPNCSU2006

Lead Driver

Joined: Nov 2002

Posts: 9,557

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From: Concord, NC

You have some hotrod motor though... I have an intake manifold from a 351 and the throttle body on there was the same size as the one on my 302.

Sep 24, 2004 | 09:58 PM

#17

Cloim

Senior User

Joined: Apr 2002

Posts: 279

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Quote:

Originally Posted by EPNCSU2006

^ what spacer? Do you have a picture?

Just refering to the middle of the intake. 4 runners closely spaced, big space in center, then the other runners are closely spaced.

302 runners are (roughly) spaced equally from front to back.

Having a 302, this isn't something I've looked too deeply into. If I had a 351, I'd go buy a 302 intake gasket, put it on top the lower intake, and decide for myself.

As it is, I'm now going by what your saying.

Sep 26, 2004 | 08:14 AM

#18

EPNCSU2006

Lead Driver

Joined: Nov 2002

Posts: 9,557

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From: Concord, NC

The 302 has an egr passage in the lower intake manifold, in the big space between the front 4 runners and the back 4. The distance between the ports should be roughly the same.

Sep 27, 2004 | 02:38 AM

#19

pfogle

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Joined: Feb 2003

Posts: 8,140

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From: Oak Harbor, OH

From what I can tell, the motor is stock, minus a possibility of a cam... This may be a stock item as well though.. There are some rumors of a HD 351 in the early 90's but I have not been able to confirm it...