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  Motor mounts for 5.0L swap

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Author Topic:   Motor mounts for 5.0L swap
Kyle
Gearhead

Posts: 426
From: Sumner, WA
Registered: Dec 2001

posted 02-20-2004 06:48 PM     Click Here to See the Profile for Kyle   Click Here to Email Kyle     Edit/Delete Message   Reply w/Quote
I recently picked up an '86 Tbird with a 3.8L and auto. This will be my first fox-body car. I want to put in a carbed 5.0L and C4 to make a street/strip car. Can I use solid 79-93 Mustang engine mounts with the stock Tbird crossmember? If not, what are my options?

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Kyle Laramore

'63 Fairlane: Under Re-construction

'66 Mustang Coupe: 289, Offy intake, Crane Blazer hyd. camshaft, Autolite 4100 carb, Headman long tube headers, 3spd tranny, 8" rear, 3.80 gears

'70 Mach 1: 351C-2V, Weiand intake, 750 holley, Flowtech long-tube headers, MSD ignition, C6 trans, CJ converter, 9" track-loc rear, 3.50 gears, Flowmaster 2.5" mandrel exhaust w/ 3-chamber mufflers

Words to build engines by: "Never Assume!"

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bfxcomet
Gearhead

Posts: 689
From: Port Alberni, B.C. , Canada
Registered: Mar 2001

posted 02-20-2004 08:01 PM     Click Here to See the Profile for bfxcomet   Click Here to Email bfxcomet     Edit/Delete Message   Reply w/Quote
I used 5.0 motor mounts and the stock t-bird tranny crossmember. I also used a non power steering rack and non power master brake cylinder from a 79 4 banger mustang.
Roger

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65 comet project
84 T-bird 302/C4 14sec street/strip
www.avdra.bc.ca
Made in CANADA built for speed
#1145

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Kyle
Gearhead

Posts: 426
From: Sumner, WA
Registered: Dec 2001

posted 02-22-2004 01:09 PM     Click Here to See the Profile for Kyle   Click Here to Email Kyle     Edit/Delete Message   Reply w/Quote
So what part of the swap gave you the most trouble? Anything that I need to be sure to have/make before I start doing it? Since you have done it before, you must know of any mistakes that I could avoid! I'm planning on running the long-tube headers that Summit sells for fox Mustang/Capri/Futura/etc.- what did you use?

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bfxcomet
Gearhead

Posts: 689
From: Port Alberni, B.C. , Canada
Registered: Mar 2001

posted 02-24-2004 03:22 PM     Click Here to See the Profile for bfxcomet   Click Here to Email bfxcomet     Edit/Delete Message   Reply w/Quote
The biggest problem was the headers becuase the headers I used were from a 67 fairlane. I had to tune the firewall a bit with a hammer. When I removed my manual rack at the wreckers the rag joint was missing so I had to reinstall the power rack. I used the original rad but it was old and plugged so I used another rad I had laying around.
Roger

------------------
65 comet project
84 T-bird 302/C4 14sec street/strip
www.avdra.bc.ca
Made in CANADA built for speed
#1145

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jwidener
Journeyman

Posts: 1
From: alexandria indiana U.S.A
Registered: Sep 2004

posted 09-26-2004 09:08 AM     Click Here to See the Profile for jwidener   Click Here to Email jwidener     Edit/Delete Message   Reply w/Quote
I am getting ready to swap a 3.8 to a 351w into a 1986 cougar and i was wondering if you had any problems with the oil pan and do i need to just take the brake booster out and mount the master cylinder to the firewall? The 351w is out of a 1974 mercury montego.

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TurboCoupe50
Journeyman

Posts: 9
From: Chesapeake, VA
Registered: May 2003

posted 09-29-2004 03:26 PM     Click Here to See the Profile for TurboCoupe50   Click Here to Email TurboCoupe50     Edit/Delete Message   Reply w/Quote
Unfortunatly '86-'88 Birds/Cougs have a unique crossmember all unto themselves, the Mustang motor mounts will NOT fit. Options are Scrounge some from a junk Bird/Coug, or swap in a '83-'85 Bird/Coug or Fox Stang x-member. The Mustang member will require enlarging the mounting holes and probably some shimming to fit correctly.

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1988 Turbo Coupe... 5.0 Conversion... AOD... 3.73s
[email protected] W/90 Shot.... [email protected]
http://members.cox.net/mr428/FVC.jpg

[This message has been edited by TurboCoupe50 (edited 09-29-2004).]

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