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Joined: Aug 2008
Posts: 80
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Aug 2008
Posts: 80 |
I have a 350 rebuilt motor in my 57 chev that I have not fired up yet. I bought a L98 1990 corvette motor at a swap meet this year that I want to put in the 57. I have been told that if my 350 motor is a newer year model I can swap the parts from the L98 on to the 350 block. The L98 has 90K on it. How do I find the date on the 350 block? What years of the 350 blocks will interchage with the L98 motors?
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Willwood Engineering
Wilwood Engineering designs and manufactures high-performance disc brake systems.
Wilwood Engineering, Inc. - 4700 Calle Bolero - Camarillo, CA 93012 - (805) 388-1188
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Joined: Nov 2002
Posts: 3,163
ChatMaster - 3,000
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ChatMaster - 3,000
Joined: Nov 2002
Posts: 3,163 |
There is a series of letters & numbers on the block just forward of the passenger cyl head. Post those for us.....Joe
See America's First...Chevrolet
1931 Sedan Delivery 31570
1933 Standard Sports Coupe 33628.
1934 Master Sedan Delivery Canadian 177/34570
1968 Z/28 Camaro
1969 SS 396 Camaro
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Joined: Aug 2008
Posts: 80
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Aug 2008
Posts: 80 |
Joe: I did not find any numbers on the passinger side of the block and non on the drivers side. I did find these numbers located behind the drivers side head where the trans bolts up to the block. 19 GM 3970010 and then there was a small set of numbers above the filter. 010 Thanks for the help. Harold Pickett
020
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Joined: May 2004
Posts: 115
Shade Tree Mechanic
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Shade Tree Mechanic
Joined: May 2004
Posts: 115 |
According to www.chevymania.com it is either a 302 or 350 block---1969-1979 car/truck
Ken
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Joined: Nov 2002
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ChatMaster - 3,000
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ChatMaster - 3,000
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Harold
On the back of the block where the 010 number was, there is another casting. It will have a letter & then a number or 2 & then another number, like B 17 6. See if you can find that. It is usually near the area of the the distributer
The numbers I had you looking for would be by where the water pump mounts to the block behind the alternator if it's mounted on the pass side.......Joe
See America's First...Chevrolet
1931 Sedan Delivery 31570
1933 Standard Sports Coupe 33628.
1934 Master Sedan Delivery Canadian 177/34570
1968 Z/28 Camaro
1969 SS 396 Camaro
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Joined: Aug 2008
Posts: 80
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Aug 2008
Posts: 80 |
Joe: I found this number behind the distributor hole, B 12 7 there was no numbers at the water pump location behind the alternator. I think these numbers were milled off the block when I had it rebuilt. Hope this helps, thanks, Harold
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Joined: Jan 2002
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ChatMaster - 25,000
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ChatMaster - 25,000
Joined: Jan 2002
Posts: 30,701 Likes: 141 |
Actually that casting number was used for 302, 327 and 350 engines.
Gene Schneider
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Joined: Nov 2002
Posts: 3,163
ChatMaster - 3,000
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ChatMaster - 3,000
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Harold
The B 12 7 indicates Feb 12th & the 7 would be 1977 since the 010 block was not used in 1987 or 1967. The block would be a 350. This casting number is not always a 4 bolt main. Some blocks that have come from Mexico are 2 bolt...just a little tid-bit
Joe
See America's First...Chevrolet
1931 Sedan Delivery 31570
1933 Standard Sports Coupe 33628.
1934 Master Sedan Delivery Canadian 177/34570
1968 Z/28 Camaro
1969 SS 396 Camaro
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