Re: [Amc-list] Big motor small heads,,,

[Wrambler242@xxxxxxxxxxx]

Idealy the single cylinder pipes would all be the same length to start with.
I do not know of anyone who makes such a beast !
Should be doable, but no-one has stepped up to that plate to my knowledge!

--
Mark Price
Morgantown, WV
1969 AMC Rambler, 4.0L, EFI, T-5
2004 Grand Cherokee Laredo, 4.7L, Quadratrac II
" I realize that death is inevitable.
I just don't want to be around when it happens! "

 -------------- Original message ----------------------
From: adh@xxxxxxxxxxxxxxxxx (Sandwich Maker)
> " From: Wrambler242@xxxxxxxxxxx
> " 
> " 
> " This has me wondering if moving the 7120 4.0L head to the stroker and then 
> finding a late model 331 casting for the mpg car would not be a good idea for a 
> tad better fuel economy?
> 
> probably would.  does isky - or anyone else - make a mileage cam for
> the 4.0?  199/232/258 ones might not upset the ecm...
> 
> "   I have the cast manifolds and could run small 2" duals for that old time 
> flair too...
> 
> a tri-y setup and single pipe would probably be better for efficiency.
> length of the y should probably be generous for cross-scavenging
> resonance in the lower rpm range, but since it's daling with 3
> cylinders on each leg it needs to be only 1/3 the length of single-
> cylinder pipes.
> ________________________________________________________________________
> Andrew Hay                                  the genius nature
> internet rambler                            is to see what all have seen
> adh@xxxxxxxxxxxxxxxxx                       and think what none thought
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