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Can I use 4.0 SOHC headers on my 4.0 OHV


seirdian

New Member
ASE Certified Tech
Joined
Oct 15, 2024
Messages
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Location
Greenville NC
Vehicle Year
1997
Make / Model
Ford Ranger
Transmission
Manual
I'm swapping in a 4.0 OHV into my '97 Ranger from a 2.3 and I would like to know if I can use some SOHC headers for it as they are more attainable.

Any help is appreciated!

Any Questions? Ask away!
 


gaz

Well-Known Member
U.S. Military - Veteran
Joined
Sep 21, 2007
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1,584
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Location
Wa, Bremerton 98310
Vehicle Year
1987
Make / Model
Ford
Engine Size
87Ranger Endrigo 2.9l, 87BII Endrigo 4.0l
2WD / 4WD
4WD
Total Lift
Ranger 5" (1½" Hiryder/3" body), BII 4" Procomp
Total Drop
Ranger 5sp, BII A4LD
Tire Size
Ranger 32"/4:10LS, BII 33"/3:73LS
My credo
Deengineer until it is how Blue Oval should have sold it!!
No, the cylinder spacing is different.

To see the difference 1st hand, go to your local parts depot and compare the 2 exhaust manifold gaskets.
 

seirdian

New Member
ASE Certified Tech
Joined
Oct 15, 2024
Messages
2
Reaction score
0
Location
Greenville NC
Vehicle Year
1997
Make / Model
Ford Ranger
Transmission
Manual
No, the cylinder spacing is different.

To see the difference 1st hand, go to your local parts depot and compare the 2 exhaust manifold gaskets.
Alright that's disappointing but not surprising, thanks for the reply.
 

gaz

Well-Known Member
U.S. Military - Veteran
Joined
Sep 21, 2007
Messages
1,584
Reaction score
760
Location
Wa, Bremerton 98310
Vehicle Year
1987
Make / Model
Ford
Engine Size
87Ranger Endrigo 2.9l, 87BII Endrigo 4.0l
2WD / 4WD
4WD
Total Lift
Ranger 5" (1½" Hiryder/3" body), BII 4" Procomp
Total Drop
Ranger 5sp, BII A4LD
Tire Size
Ranger 32"/4:10LS, BII 33"/3:73LS
My credo
Deengineer until it is how Blue Oval should have sold it!!
The stock exhaust manifolds for a Ford 98+ spec OHV 4.0l offer improved flow with the redesign but you need the smaller exhaust port 98+ heads to match the port size; your 97 may have the correct heads. If your head exhaust ports are round, the are 98+ ..)

Doorman sells them for around $100 min.
 

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