[Trevor Sheffield]

I HAVE A 70 CHEVELLE, I ORIGALNY BOUGHT IT WITH OUT NO MOTOR OR TRANS.SO I PUT A WHATS SUPOSE TO BE A SB 400
THAT I THINK CAME OUT OF A 72-75 ELCAMINO. I HAVE THE BLOCK #'S BUT I CAN'T FIND IT ANY WHERE ON THE INTERNET. I WOULD LIKE TO KNOW HOW MUCH POWER IT HAS. IF POSSIBLE.
BLOCK # IS 3970010 .
I DONT NO IF I SHOULD HAVE LOW COMPRESSION AND A BLOWER OR HAVE HIGH COMPRESSION AND JUST BORE IT OUT.
WHICH ONE WOULD YOU PERFER. THANKS.

 

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Welcome to the board. You are new so don’t know the ins and outs yet. This forum is intended for general introductions only. Tech questions posted here don’t get the coverage they deserve. Repost your question in the proper forum, engine in this case, and it will have a good chance of being answered.

Also, when you read the "Read Me First" posts at the top of several of the forums you will learn it is bad manners to type in all caps on the web 'cause it is considered yelling!