View Full Version : M1 Question
MoparDrvn
04-30-2008, 05:31 PM
I hear of people upgrading from a 2bbl to a 4bbl M1 at what point in the engine modding process is this upgrade needed?
Rigeldust
04-30-2008, 06:27 PM
None for me.
BTLFED R/T
05-01-2008, 06:34 AM
Probably when you do a supercharger. Or one wicked ass NA setup. (see Dave Downing's setup)
uwntsumrtII
05-01-2008, 06:44 AM
big cam and big heads, supercharged (cam & heads included)
360 XRT
05-02-2008, 03:57 AM
I would say anything over 400HP/400CI would be time for a 4b.Or a ton of boost.
Five9Dak
05-05-2008, 03:41 AM
Only when you're heads flow more than 230cfm or you're boosted, according to ryan at shady dell (he flow tested a 2bbl)
DakRat33
05-06-2008, 08:26 AM
I looked on the Mopar site, and couldn't tell what the part number for M1 manifold is...Also is the 4bbl FI? I know the 2bbl one is...just curious...thanks
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