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Post Info TOPIC: Need help with Sbc engine suffix


Addicted!

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Need help with Sbc engine suffix


I have what I believe is a 1970 300hp 350ci sbc 

and I cant seem to find any info on the suffix?

2HN

Casting number 3932388

Any thoughts??

 



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67 Parisienne Convertible 



Poncho Master!

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Posts: 1192
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Oh I got this.

3932388 is a 1969 350 and 302 casting
HN is a 1969 300hp 350 with TH trans for a full size

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Eric - Regina, SK

The Projects:

1935 Chev 3 Window Std Coupe

1967 Mustang Convertible

1969 Firebird 350HO Convertible

1969 Camaro X11-V8

1969 GTO

1969 2+2 was a 396

1969 2+2 427

1978 Chevy Short Box Step Side 4x4

1980 Harley FXWG

1986 CJ7 Jeep

 



Canadian Poncho Superstar!

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I found this post on Team Camaro, I just post it as I cannot make any claims to its veracity, is your's two or four bolt main bearing caps. 

 

The 3932388 block came in both 2 bolt and 4 bolt main versions. The 4 bolt was used in a small number of the Z28 Cars and they were only found in early 69 production cars say till December of 68 Castings Dates.
Quote:

From Chevy-Camaro.com 

The casting number 3932388 was only used in 1969 and is rare because not many cars much less Camaro's got this block casting number that are known. The book Chevrolet By the Numbers 1965-69 says this engine was put in 1969 passenger cars and Camaro's. Their notes say this: "Very little is known about this block". It seems that most blocks were Tonawanda cast and built, but some Norwood assembled Z28's used this block with Flint-produced engines. From all indications the block is identical to #3932386. It has been found in Passenger cars with the 350/300hp engine suffix code stamping. At least four SS 350 and at least two Z28 Camaros were built with this block, with casting dates ranging from 20 8 to C 11 9. At least one Camaro was built it September 1969 with this block. Other cars could have received this rare block, but it is unknown which or why. Most #3932388 blocks are dated from September to December 1968." We have apparently had all (and then some) of the Camaro owners, according to Chevrolet By the Numbers 1965-69, of this block casting to email us about it. The problem is there are no exact numbers as to how many cars had this block casting number. The block doesn't have any special features that sets it off from the rest that would make it any more desirable than other blocks from that time period though.


-- Edited by 73SC on Wednesday 20th of June 2018 12:32:30 PM

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