JONES 315cc Brodix DR1213

Intake Runner Volume:   315cc
Combustion Chamber Volume:   49cc

95/150 Valve Spacing

12.5 deg. Intake Valve Angle
13.5 deg. Exhaust Valve Angle

Intake Valve:      2.230 dia. x 6.250 length
Exhaust Valve:  1.600 dia. x 6.250 length

Raised Intake Runners
5 deg. Intake Flange
Spread Port Exhaust

Distance from floor to deck at gasket:    2.3
Intake port opening at gasket:        2.14H x 1.505W
Intake min. cross-sectional dim.:    2.83 sq.in.

Notations:
.700 Offset rocker shafts required
.180 Offset lifters required

LIFT INTAKE EXHAUST
.200 141 105
.300 221 159
.400 295 210
.500 351 237
.600 396 252
.700 421 262
.800 435 268
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