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Re: 455 to 403 coach swap issues? [message #325322 is a reply to message #325320]

Mon, 23 October 2017 10:58

Hal StClair

Messages: 971
Registered: March 2013
Location: Rio Rancho NM

Karma:

Senior Member

You are right on the exhaust, the 455 is about 2" wider and the Y pipe will need to be modified. The exhaust manifolds are different between the two also. The 455's right side won't fit the 403.
Hal

"I enjoy talking to you. Your mind appeals to me. It resembles my own mind, except you happen to be insane." 1977 Royale 101348, 1977 Royale 101586, Diesel powered, 1974 Eagle Bus 45',w/slideout, Rio Rancho, NM

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[Message index]

		455 to 403 coach swap issues? By: Matt Colie on Sun, 22 October 2017 10:24
		Re: 455 to 403 coach swap issues? By: xplorid on Sun, 22 October 2017 20:15
		Re: 455 to 403 coach swap issues? By: Ken Burton on Mon, 23 October 2017 01:55
		Re: 455 to 403 coach swap issues? By: JohnL455 on Mon, 23 October 2017 09:06
		Re: 455 to 403 coach swap issues? By: Ken Burton on Mon, 23 October 2017 09:23
		Re: [GMCnet] 455 to 403 coach swap issues? By: Kosier on Mon, 23 October 2017 10:33
		Re: 455 to 403 coach swap issues? By: Hal StClair on Mon, 23 October 2017 10:58
		Re: 455 to 403 coach swap issues? By: C Boyd on Mon, 23 October 2017 15:42
		Re: [GMCnet] 455 to 403 coach swap issues? By: James Hupy on Mon, 23 October 2017 16:10

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