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[GMCnet] Differences between a 403, and a 455. [message #283248]

Mon, 27 July 2015 00:05

BobDunahugh

Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA

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Senior Member

From what I think I knew. Since the 403 is a small block. Thus has parts in common with the Olds 350. Shouldn't the 403 be shorter then the 455 big block from the center line of the crank to the top of the block were the intake sits. On my 78- 403 the air cleaner is up against the engine cover. And I've seen this on other 78- 403's. So I must be wrong. I found a 350 Olds Edelbrook alum intake manifold that I want to install when I finally put my EFI on. Should that intake fit?Bob Dunahugh
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[Message index]

		[GMCnet] Differences between a 403, and a 455. By: BobDunahugh on Mon, 27 July 2015 00:05
		Re: [GMCnet] Differences between a 403, and a 455. By: appie on Mon, 27 July 2015 03:28
		Re: [GMCnet] Differences between a 403, and a 455. By: winter on Mon, 27 July 2015 10:46
		Re: [GMCnet] Differences between a 403, and a 455. By: A Hamilto on Mon, 27 July 2015 11:25
		Re: [GMCnet] Differences between a 403, and a 455. By: Bob de Kruyff on Tue, 28 July 2015 11:29

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