Shady Dell Speed Shop
770 Shady Dell Rd.
Port Matilda, PA 16870
(814) 574-2543

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Email us here:
info@shadydellspeedshop.com

 

  

MOPAR PERFORMANCE W7 HEAD PORTING
(click thumbnails for larger view)
 

“W7 INTAKE BOWL”
“HAND PORTED W7 INTAKE RUNNER, 252 CC’s”
 

“W7 SHORT TURN”
 

PORTED FLOW #’s

LIFT-----IN/EX
.100”---75.9/N/A
.200”---148.4/100.1
.300”---216.0/146.6
.400”---272.2/194.4
.450”---293.3/209.8
.500”---311.5/224.3
.550”---331.9/233.6
.600”---350.2/244.3
.650”---358.4/251.8
.700”---362.4/257.4
.750”---369.4/262.9

All #’s at 28” of water
No flow tube on exhaust port
2.15”/1.60” Ferrea Competition Plus Stainless Steel Valves
52 Degree Intake Seat Angle, 37 Degree Back Cut
45 Degree Exhaust Seat Angle, 30 Degree back Cut

For more information on W7 cylinder heads email RyanJ@shadydellspeedshop.com
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P4876726 MOPAR PERFORMANCE W7 HEADS
CNC PORTED BY CHAPMAN RACING HEADS
HAND BOWL BLEND BY SHADY DELL
 

CHAPMAN W7 EXHAUST PORT
 
P4876726 CHAPMAN W7
 

CHAPMAN W7 CNC INTAKE RUNNERS
 
CHAPMAN W7 CNC LIGHTENING PROGRAM
 

CHAPMAN W7 CNC CHAMBER
 
FLOW #’s

LIFT----CNC PORT
.100”---93.1/N/A
.200”—163.9/105.3
.300”—224.3/174.2
.400”—269.8/211.5
.450”—293.3/223.6
.500”—310.5/229.8
.550”—329.3/238.0
.600”—345.9/244.3
.650”—361.6/249.8
.700”—373.4/255.3
.730”—375.0/259.4

All #’s at 28” of water
No flow tube on the exhaust
2.20”/1.625” Ferrea Competition Plus Valves
45 Degree Intake/Exhaust seat angles
33 degree back cut on intake valves, none on exhaust.
296 CC intake runner volume, 73.5 CC Chamber.
These heads originally intended for 410” WoO (World of Outlaws) sprint car competition.