NMRA/NMCA Preliminary Rules are up.......

beefcake

Forced Induction Specialist
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Hey Matt, did you see the 5.0 is allowed in factory stock???

Didn't read all the way through, not sure if it's allowed as a transplant motor, but I saw it and thought of ya!
 

Wicked97

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Stock pistons only, stock crank no mods allowed.
Stock heads with no mods allowed, but then it says any valve job permitted
3450lbs on a radial and only in S197 chassis
1 5/8ths headers only
2.75 exhaust
 

beefcake

Forced Induction Specialist
Official Vendor
Joined
Dec 14, 2009
Posts
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23
Location
Bethel, Ohio
Stock pistons only, stock crank no mods allowed.
Stock heads with no mods allowed, but then it says any valve job permitted
3450lbs on a radial and only in S197 chassis
1 5/8ths headers only
2.75 exhaust

Aren't the factory headers bigger, lmao! They are bottlenecking that baby! ;)
 

tigerhonaker

Senior Member
S197 Team Member
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Apr 11, 2009
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TN
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