RE: 401 heads on a 343 block?

[ameskg@xxxxxxxxx]

As below, it can be done, but why unless you don't actually have any 343/390
heads? The increase in exhaust flow would be offset by the lower compression. 
But perhaps that's what you're after... :)

Ken

Quoting Todd Jesme <jesme@xxxxxxxxxxx>:

> Andy,
> you can bolt them on but you will need to buy a set of step dowels from your
> favorite AMC parts vendor, if you want to use the smaller 7/16" head bolts.
> If you want to use the more desirable 1/2" head bolts used on 70 and up
> V-8's you will need to have the head bolt holes in the block drilled and
> tapped.
> 
> Todd
> MN
> 
> -----Original Message-----
> From: raysinvegas@xxxxxxxxxxxxx [mailto:raysinvegas@xxxxxxxxxxxxx] 
> Sent: Thursday, April 14, 2005 7:56 PM
> To: mail@xxxxxxxxxxxx
> Subject: 401 heads on a 343 block?
> 
> Hi, can I put '75 401 heads on my '68 343 short block?  Thanks in advance!
> 
> Andy Ray
> 64 440H (2)
> 68 Jav SST 343
> 
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