NHRA rod and head cc info

[Eric Merryfield]

Originally Posted by bsa633

It may have something to do with the new Mustangs being tossed at Indy..Who knows..

Not sure if this is what you were looking for;

NHRA Technical Specifications
For
2009 Chrysler Corp. Motors

ROD
BORE STROKE DISPLACEMENT CYLINDERS LENGTH
3.920 3.580 345 8 6.200
4.000 3.580 360 8 6.123
4.055 3.580 370 8 6.200 3/20/2009



Issued: 3-20-09
Revised:

Specifications for 2009 Chrysler Corp engines.


H.P. Disp. C.R. Ind. Make Casting Intake Lifter RR Head Notes
Manifold cc’s

305 345 12.7 MPI CHRY P5155173 P5155184 H/R 1.60 71.7 A

275 360 11.4 MPI CHRY P4510046 P4510046AB H/R 1.60 56.0 B,C

385 370 12.6 MPI CHRY P5155173 P5155184 H/R 1.60 71.7 A


Throttle Bore Size
A/B – 1.75 inch

C – Aluminum roller tip rocker arm




H.P. Disp. Deck Cl. Piston Height Vol Valves Cam Lift Springs Gasket

305 345 .000 Dome .205 16.4cc 2100/1600 584/552 Beehive .026
OEM Diamond piston #46191
275 360 .004AB Flat w/ Notches .000 6.8cc 2020/1600 490/490 Outer w/Damper .040
OEM piston #51021
385 370 .0135BD Dome .137 14.8cc 2100/1600 584/552 Beehive .039
OEM Diamond piston #46192

Head Castings
305 345 05037369AA

375 360 P5153847

385 370 05037369AA