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11 second station wagon
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2,921 Posts
Discussion Starter #1 (Edited)
I was wondering if anyone could tell me if a balance shaft camshft would
bolt into a non balance shaft engine? I was wondering what the difference
is. Basically if maybe it was something simple like an elongated dowel (AKA
LT1 engine). Or was there a more substantial diference. Any pics or any
help is greatly appreciated. I have a 1988 4.3 a set of 97 vortec heads
and a W code 1993 Blazer CPI engine. are the journals different or the cam
sprocket bolt circle?
 

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Got Fuel Rails?
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4,539 Posts
I thought it was the snout of the cam that is differnent. I think it is more substantial than just a different length dowel pin. I know the cam is located front to back with a plate, and then the ballance shaft gear rests on the plate to keep the cam located. I can take pics of my stock 2000 cam, and take some measurements if you would like(it is a ballance shaft motor).

http://www.compcams.com/Technical/CurrentCatalog/HTML/120-123.asp
According to this they are shorter and don't have a fuel pump lobe either.
 

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11 second station wagon
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2,921 Posts
Discussion Starter #3
Yep the snout is different the dowel is just a little longer but the biggest thing is
like u pointed out thewhole face of the block was changed making the cam shorter
I just pulled the cam out of the w code cpi engine. Thank you for the response.
 

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1,561 Posts
The Stunningman said:
Yep the snout is different the dowel is just a little longer but the biggest thing is
like u pointed out thewhole face of the block was changed making the cam shorter
I just pulled the cam out of the w code cpi engine. Thank you for the response.
So the answer is no, you can't use a balance shaft cam in a non balance shaft block?
 
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