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| Stock
5.0L - Ford E7TE |
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Stock
5.0 (E7 castings)
Cost per pair: Varies
Material: Iron
Combustion Chamber Size: 64cc
Hardware: Varies
Rocker Mount Type: Pedestal mount
Runner Volumes: Est. 135cc int. 45cc exh.
Valve Sizes: 1.78" intake 1.45" exhaust
50 State Smog Legal: Yes
Notes: Most castings have thermactor
bumps in the exhaust port. |
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| Stock
289 - Ford C6AE |
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Stock
289 (C4-C7 castings)
Cost per pair: Varies
Material: Iron
Combustion Chamber Size: 54-58cc depending
on year.
Hardware: Varies
Rocker Mount Type: Press in stud (screw in
for HiPo)
Runner Volumes: 135cc int. 50cc exh.
Valve Sizes: 1.78" int. 1.45" exh.
50 State Smog Legal: No*
Notes: *Smog legal only on early engines.
Some castings had thermactor bumps in the
exhaust port. Test head did not have thermactor
bump. |
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| Home
Ported 289 (Stock
Valves) |
| Intake
Swirl |
| lift |
.100
|
.200
|
.300
|
.400
|
.500
|
.600
|
.700
|
| rpm |
350
|
360
|
540
|
700
|
815
|
900
|
960
|
|
Home
Ported 289 (C6 casting)
Cost per pair: Varies
Material: Iron
Combustion Chamber Size: 54cc
Hardware: Varies
Rocker Mount Type: Converted to screw-in
Runner Volumes: est. 135cc int. 50cc exh.
Valve Sizes: 1.78" int. 1.45" exh.
- backcut
50 State Smog Legal: No |
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| Stock
351W - Ford D0OE |
*
Flow data for this head from an external source.
No swirl numbers available. |
Stock
351W (C9, D0, D8, D9 castings)
Cost per pair: Varies
Material: Iron
Combustion Chamber Size: 60-69cc depending
on year.
Hardware: Varies
Rocker Mount Type: Press in stud
Runner Volumes: est 140cc int. 55cc exh.
Valve Sizes: 1.84" int. 1.54" exh.
50 State Smog Legal: No
Notes: *Smog legal only on early engines.
Some castings had thermactor bumps in the
exhaust port. Test head did not have thermactor
bump. |
|
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| Home
Ported 351W (Stock Valves) |
| Intake
Swirl |
| lift |
.100
|
.200
|
.300
|
.400
|
.500
|
.600
|
.700
|
| rpm |
230
|
360
|
300
|
315
|
315
|
-
|
-
|
|
 Home
Ported 351W (D9)
Cost per pair: Varies
Material: Iron
Combustion Chamber Size: 64cc
Hardware: Varies
Rocker Mount Type: Press in stud
Runner Volumes: est 140cc int. 55cc exh.
Valve Sizes: 1.84" int. 1.54" exh.
-backcut
50 State Smog Legal: No |
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| Home
Ported 351W (1.94"/1.60" valves) |
| Intake
Swirl |
| lift |
.100
|
.200
|
.300
|
.400
|
.500
|
.600
|
.700
|
| rpm |
300
|
200
|
125
|
140
|
520
|
520
|
-
|
|
Home
Ported 351W (D9)
Cost per pair: Varies
Material: Iron
Combustion Chamber Size: 64cc
Hardware: Varies
Rocker Mount Type: Press in stud
Runner Volumes: est 140cc int. 55cc exh.
Valve Sizes: 1.94" intake 1.60" exhaust
50 State Smog Legal: No |
 |
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|
|
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| Power
Heads by PC Auto - Ford C6OE |
| Intake
Swirl |
| lift |
.100
|
.200
|
.300
|
.400
|
.500
|
.600
|
.700
|
| rpm |
345
|
340
|
130
|
295
|
500
|
600
|
-
|
|
Power
Heads by P.C. Automotive (289, E7)
 Cost
per pair: $675 + shipping + core
Material: Iron Combustion
Chamber Size: Stock (289 = 54cc, early 302
= 59cc, E7 & 351W = 64 cc )
Hardware: Complete
Rocker Mount Type: Pedestal or Screw-in stud
Runner Volumes: Stock
Valve Sizes: 1.94" intake 1.60" exhaust
50 State Smog Legal: Depends on stock configuration.
Notes: P.C Automotive also offers early
289, early 302, E7, and 351 W heads. Flow
data listed on the www.powerheads.com site
are generated at 25" H20, which is not
a standard test pressure. |
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| Stock
Ford GT40P |
*
Flow data for this head from an external source.
No swirl numbers available. |
 Ford
GT40P
Cost per pair: $650*
Material: Iron
Combustion Chamber Size: 60cc
Hardware: Complete
Rocker Mount Type: Pedestal mount
Runner Volumes: 155cc int. est. 55cc exh.
Valve Sizes: 1.85" intake 1.46"
50 State Smog Legal: No
Notes: * For new assembled heads. Perhaps
cheaper used. Found on Explorer/Mountaniers
1997-up. |
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| GT40P
photos courtesy Sean Meldrum Visit his GT40P
dedicated site. |
|
