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  Mustangsandmore Forum Archive
  '74 to '78 -- The Mustang II
  351w in mustang II?

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Author Topic:   351w in mustang II?
pro pony 67
Journeyman

Posts: 12
From: Davenport, Iowa
Registered: Feb 2005

posted 10-16-2005 10:59 PM     Click Here to See the Profile for pro pony 67        Reply w/Quote
Still kicking around the idea of getting this 77 that doesn't run. I was wondering how much trouble it would be to drop a 351windsor into it, since I have to get it going anyway. What headers would work? Also the stock 4 speed would stay. It has a 302 in it now

COBRAII7678
Gearhead

Posts: 121
From: Festus Mo U.S.A
Registered: Sep 2004

posted 10-17-2005 05:46 PM     Click Here to See the Profile for COBRAII7678        Reply w/Quote
quote:
Originally posted by pro pony 67:
Still kicking around the idea of getting this 77 that doesn't run. I was wondering how much trouble it would be to drop a 351windsor into it, since I have to get it going anyway. What headers would work? Also the stock 4 speed would stay. It has a 302 in it now

Hedman makes a swap header. The 4 speed will not take a whole lot of abuse with traction.

Whitson
Gearhead

Posts: 290
From: Western Canada
Registered: Dec 2005

posted 12-02-2005 11:22 PM     Click Here to See the Profile for Whitson        Reply w/Quote
I did this swap in about 82. I used the hooker headers from my 302, left side fit without mods, right side I had to flatten the tubes a bit and cut/move/reweld one tube. I also remember having to bash in the firewall a bit for clearance on one cyl.head. Hood clearance was real close, and I re-shaped the little bolt-on crossmember that's down by the bell housing. A T5 bolts up to the stock bell housing. The car always hooked and launched like a dream. Biggest problem I had was keeping brakes on the thing. 3 to 4 months was about it for a set of pads & shoes.

kingmustang79072
Journeyman

Posts: 4
From: plainview,tx,usa
Registered: Dec 2005

posted 12-03-2005 06:19 PM     Click Here to See the Profile for kingmustang79072        Reply w/Quote
well im sure the 351 will fit im about to stick a 400 in mine, tight fit but it can be done, im thinking that a c-6 might be better. and hows your rear end? can it handle 351w, i hope so if not you'll be twisting you rear end right of and picking it up off the track!! dont ask how i know!!lol

Whitson
Gearhead

Posts: 290
From: Western Canada
Registered: Dec 2005

posted 12-05-2005 10:25 AM     Click Here to See the Profile for Whitson        Reply w/Quote
The V8 Mustang II's used a unique small flywheel/flexplate to make up for a lack of room in the trans tunnel area. I don't think you'll get a C6 in there without hacking the whole tunnel out and welding in a larger one. That's a lot of work.

Rory McNeil
Gearhead

Posts: 1889
From: Surrey, B.C. Canada
Registered: Nov 2000

posted 01-09-2006 03:08 PM     Click Here to See the Profile for Rory McNeil        Reply w/Quote
A guy I know from Calgary has a 351C powered Mustang II bracket car. The big problem, when retaining the stock firewall is that the engine sits way too high and too far foreward for my liking.

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78 Fairmont 428 4 speed [email protected] 1.32 60 foot
80 Fairmont 302 5 speed [email protected]
85 Mustang NHRA M/Stock 302 5speed. [email protected] 1.63 60 foot
59 Meteor (Canadian Ford) 2 dr sedan 332, auto
74 F350 ramp truck 390 4spd

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