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Tune Up Requirements [message #348711]

Sun, 29 September 2019 22:07

Mike_H

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

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Junior Member

So...now that I know what engine I have (see threadhttp://gmc.backyardwildlife.com/GMCforum/index.php?t=msg&th=42989&start=0&rid=5830) I'm making a list of AC Delco part numbers for a tune up. I want to replace the PCV valve. They are cheap and I don't know when it was last done. However, I cannot find the PCV valve listed in my parts manual. Everything listed is for the 455 not the 403. I looked up a 78 Toranado and found one, but I'm not sure yet which engine parts cross over and which do not.

Also on the breather side, I have a breather in good shape, but the two rubber elbows that connect it to the air horn are shot. Are those available?

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

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[Message index]

		Tune Up Requirements By: Mike_H on Sun, 29 September 2019 22:07
		Re: [GMCnet] Tune Up Requirements By: jimk on Sun, 29 September 2019 22:34
		Re: [GMCnet] Tune Up Requirements By: jimk on Sun, 29 September 2019 22:41
		Re: Tune Up Requirements By: Ken Burton on Sun, 29 September 2019 23:24
		Re: [GMCnet] Tune Up Requirements By: Dave Stragand on Sun, 29 September 2019 23:24
		Re: [GMCnet] Tune Up Requirements By: powwerjon on Mon, 30 September 2019 09:37

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