Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks



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#382487 01/22/17 12:07 PM
Joined: Sep 2006
Posts: 206
Backyard Mechanic
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Backyard Mechanic
Joined: Sep 2006
Posts: 206
I'm about to embark on an engine rebuild, '33 Master, and could use some direction. There appear to be options as to replacement parts that may be a better choice than the originals, ie later valves, springs, etc. Is there anywhere that these rebuild suggestions are available?
Thanks,


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gpallen2 #382491 01/22/17 12:21 PM
Joined: Jan 2002
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ChatMaster - 25,000
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ChatMaster - 25,000
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Any later valve springs would be stronger. This could or could not be a good thing. Stronger good if valve seats have been ground much deeper tha originals. Bad thing the load may be too much for the weaker 1933 valve train. Also stronger springs could cause the valve keeper to break through the valve spring cap, a weak point on that engine.
Stainless steel exhaust valves much better than the originals.
Replacing the timing gears a must.
Some will disagree with me but I would try to find a gear type oil pump which Chevrolet sold as a replacement kit after 1937.
If you plan to drive at higher speeds for longer distances, aluminum pistons to reduce the load on the rod bearings.


Gene Schneider
Chev Nut #382559 01/23/17 11:42 AM
Joined: Jul 2009
Posts: 1,478
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Look in the "Search" at the top of the page in blue letters. There is a lot of prior discussion on this subject. I also agree with the above post. Official Replacement parts are often "improved" over original replacement parts. There are parts collectors. Often they have in the original official GM boxes parts called new old stock (NOS). You may have to remove the dust. But although the box may have some wear on it; the parts I have bought have always been excellent.

Last edited by terrill; 01/23/17 11:46 AM.

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