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Re: What model Onan was the 4.0 for the GMC ? [message #367670 is a reply to message #367666]

Mon, 22 November 2021 12:33

JohnL455

Messages: 4447
Registered: October 2006
Location: Woodstock, IL

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The original opposed engine came from lawn tractor origins such as the John Deere 318. There it ran up to 3600 RPM governed speed (2 x our 1800 RPM) and likewise had double the rated horsepower. All the details were given by the retired Onan project engineer at a rally seminar (maybe Eau Claire ? A few years back).

John Lebetski
Woodstock, IL
77 Eleganza II

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[Message index]

		What model Onan was the 4.0 for the GMC ? By: hertfordnc on Mon, 22 November 2021 09:13
		Re: What model Onan was the 4.0 for the GMC ? By: Matt Colie on Mon, 22 November 2021 09:59
		Re: What model Onan was the 4.0 for the GMC ? By: JohnL455 on Mon, 22 November 2021 12:33
		Re: What model Onan was the 4.0 for the GMC ? By: hertfordnc on Mon, 22 November 2021 12:49
		Re: What model Onan was the 4.0 for the GMC ? By: Matt Colie on Mon, 22 November 2021 13:05
		[GMCnet] Re: What model Onan was the 4.0 for the GMC ? By: James Hupy on Mon, 22 November 2021 17:58
		Re: [GMCnet] Re: What model Onan was the 4.0 for the GMC ? By: Matt Colie on Mon, 22 November 2021 19:23

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