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Author
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Topic: 76-V6 to 84-V8 conv
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StangII_Power
Journeyman Posts: 8
From: Smithville, Ontario, Canada
Registered: Feb 2004
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posted 02-18-2004 11:30 PM
   
Hi all,
I can't say im new to the whole Mustang II scene as ive owned mine for 3 years and have been working on it for 3 years but right now im at a point that im not sure where to go. I have a 76 hatch back originally equipped with the 2.8 but do to some slight head problems I decided to upgrade a bit...
Right now I have an 84 302 sitting in my garage with a fresh coat of paint and ready to be bolted back together tomorrow, then comes the fun part getting it in the car and this is where I need some help.
Im slightly confused about this motor mount issue. I have the frame mounts that were in the car and new motor mounts. From what I can tell in cross-referencing part #'s they were the same in both the V6 and V8 II. Am I correct? But it would appear that those mustang II motor mounts won't bolt up to my 84 motor, I know people have done it so there must be an answer. Do I need different/custom mounts, or what��s the deal?
Secondly: Headers, I've read enough to know that headers and exhaust are going to be a challenge at best, I will have to navigate my exhaust around a T5 tranny what are my header options?
Thanks for all help that can come my way I really appreciate it, and soon enough I can start to share my nightmare of knowledge that ive gained so far 
Lastly if there is anyone in the Southern Ontario Area I would like to meet some other II enthusiasts I live near Hamilton, so let me know.
[This message has been edited by StangII_Power (edited 02-18-2004).]
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MooseII78
Journeyman Posts: 47
From: LA
Registered: Nov 2001
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posted 02-19-2004 04:47 PM
The V8 and V6 mounts are indeed different. As for headers, the problem is the T5 unless you are using the II specific 4 speed bell,if not pretty much anything you get is gonna be a beat to fit. The more expensive headers (conversion) may fit better but i dont know much about them. Also your gonna have to modify your trans mount and notch the shift hole a little.
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StangII_Power
Journeyman Posts: 8
From: Smithville, Ontario, Canada
Registered: Feb 2004
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posted 02-19-2004 09:27 PM
Thanks, now that I know that I need specific motormounts can anyone tell me were to find them? or a part number since everyplace I talk to seems to claim that they are the same beween the V6 and V8. Does anyone have any to sell or have design specs? I can prolly manufacture my own if need be. quote:
*the problem is the T5 unless you are using the II specific 4 speed bell,if not pretty much anything you get is gonna be a beat to fit*
Are you saying I should use the bell from my rad-4 to bolt the T-5 up to my 84 302-block?BTW, I have set of headers now, thanks to everyone who helped me figure out part numbers. [This message has been edited by StangII_Power (edited 02-19-2004).]
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MooseII78
Journeyman Posts: 47
From: LA
Registered: Nov 2001
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posted 02-20-2004 11:17 AM
If you use the bell from the v8 RAD trans you wont have the issues with the exhaust. The problem is finding one. They are out there but not cheap. As for your mounts and the bell some pass through EBAY. Someone was telling me you could get the mounts through NAPA but ive never tried. I made a set of solid mounts.Also the rad bell and t5 requires a couple of additional tweaks though no big deal. as i mentioned the shifter hole will need to be notched. You will have to modify the tranny crossmember/mount, unless your t5 is the longer input shaft 94/95? you will need a spacer to extend the shorter shaft in to the pilot slot on the crank. Also i believe you must mill a little bit off the bell where the trans mates to the bell. If you decide to go this route i can get all the specs for you, even a sketch of the pilot bearing adapter. Its sounds like a pain but its really simple stuff. Well worth the effort to not have to fight with bending headers in my opinion
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StangII_Power
Journeyman Posts: 8
From: Smithville, Ontario, Canada
Registered: Feb 2004
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posted 02-20-2004 11:41 AM
Ok if I decide to go the rought witht the Rad Bell and my 84 motor. What is the deal with the flywheel and this imbalancing that I've read about?
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MooseII78
Journeyman Posts: 47
From: LA
Registered: Nov 2001
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posted 02-23-2004 10:37 AM
Late model 5.0s use a 50 oz balance where the early used a 28oz. No biggie just make sure you have the flywheel balanced correctly for the engine you have.
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