DART 18deg. RP Big Block Casting
L. Intake Runner Volume:   307cc
R. Intake Runner Volume:   301cc
Combustion Chamber Volume:   93cc

Intake Valve Angle 18 x 4
Intake Valve:      2.250 dia. x 5.770 length

Exhaust Valve Angle 9 x 4
Exhaust Valve:  1.880 dia. x 5.522 length

Intake port opening at gasket:        2.14H x 1.92W
Distance from floor to deck at gasket:  1.06
L. Intake min. cross-sectional dim.:    2.87 sq.in.
R. Intake min. cross-sectional dim.:    2.8 sq.in.

Notations:
  Standard valve train components

LIFT	L. INT	R. INT	EXHAUST
.200	159	159	132
.300	246	246	178
.400	306	299	224
.500	341	333	257
.600	368	350	272
.700	369	366	278
Flow #'s by Weld Tech - CFM @ 28"

 

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WELD TECH 1789 South Green Street Brownsburg, IN 46112 (317) 852-4450 Fax: (317) 852-5291