Re: [AMC-list] 401 Crank into a 343 how to sought

[Ken Ames <ameskg@xxxxxxxxx>]

AFAIK there is no early/late bell housing pattern for the 290-401 AMC 8s. 

Ken


Quoting Rocky Lear <lear31@xxxxxxxxxxxxxx>:

> 
> I've been thinking about the same thing. The engine has dogleg heads on it 
> but given the way the rest of it was put together, I doubt if it has been 
> converted to different bolts. They must have used the old bolts. Anyone have
> 
> the 70 model head casting numbers handy? Changing over to the 401 cank will 
> require a different flywheel, right? I'd like to use a lakewood bell behind 
> it so I need one of those with the earlier bolt pattern, or an adapter to 
> use the later.
> 
> Rocky
> 
> ----- Original Message ----- 
> From: "Armand Eshleman" <aje1@xxxxxxxxxxxxxxx>
> To: "AMC, Rambler, Nash, Jeep and family" <amc-list@xxxxxxxxxxxxxxxxx>
> Sent: Saturday, July 30, 2011 6:42 PM
> Subject: Re: [AMC-list] 401 Crank into a 343 how to sought
> 
> 
> > Another thing to think about when doing one of these swaps is which heads?
> >
> > The 70 and newer dogleg heads breathe better, use 1/2 inch head bolts and 
> > are much more plentiful.
> >
> > 70 and early 71 360, 390 and 401 heads are touted as the best.
> >
> > The 343 block could be drilled and tapped for the 1/2 inch headbolts.
> >
> > Not sure how that works with intake manifolds.
> >
> > or, after market aluminum heads??
> >
> > Armand
> > _______________________________________________
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> > http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com 
> 
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> 


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