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How to determine which engine I have [message #348688]

Sun, 29 September 2019 13:34

Mike_H

Messages: 16
Registered: September 2019
Location: Grand Rapids, MI

Karma:

Junior Member

I'm trying to find tune up parts for my 1978 Royale. Looking through the Parts Book, it shows two different engine assemblies for 1978. One of them, 561032, reads, ENGINE ASSY - type 403 CID V-8 gas code RA (STD) (eff w/ 1978). The other, 561033, reads, "ENGINE ASSY - type 403 CID V-8 gas (RPO NB4) (eff w/ 1978)

How do I know if I have a standard or RPO engine? Its not listed on the VIN tag as an option so should I assume that its the 561032 assembly? I ask as they have different distributor caps...

Mike and Jessica
West Michigan (Just north of Grand Rapids)
1978 Royale Twin bed, Dry Bath

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[Message index]

		How to determine which engine I have By: Mike_H on Sun, 29 September 2019 13:34
		Re: How to determine which engine I have By: Jeremy Sanford on Sun, 29 September 2019 13:46
		Re: How to determine which engine I have By: Mike_H on Sun, 29 September 2019 16:48
		Re: [GMCnet] How to determine which engine I have By: jimk on Sun, 29 September 2019 16:54
		Re: How to determine which engine I have By: Rick Staples on Sun, 29 September 2019 16:48
		Re: How to determine which engine I have By: Mike_H on Sun, 29 September 2019 20:50
		Re: How to determine which engine I have By: midlf on Mon, 30 September 2019 09:53
		Re: How to determine which engine I have By: jhbridges on Mon, 30 September 2019 10:30

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