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Author Topic:   Some motor and tranny questions
RobBartoni
Journeyman

Posts: 6
From: Benton, IL, U.S. Of A
Registered: Jan 2004

posted 02-13-2004 09:36 PM     Click Here to See the Profile for RobBartoni   Click Here to Email RobBartoni     Edit/Delete Message   Reply w/Quote
I own a '72 Mav 2-door. Right now it has an I-6 with a C4, but I was thinking about putting in a 351W and a C6. I'm wanting to know if that would be possible, and if so, are there any specialty parts I need to buy? I thank you in advance.

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mercgt73
Journeyman

Posts: 9
From: MD, USA
Registered: Feb 2004

posted 02-14-2004 12:10 AM     Click Here to See the Profile for mercgt73   Click Here to Email mercgt73     Edit/Delete Message   Reply w/Quote
heres some info for ya,

http://www.geocities.com/cping3/v8swap.html
http://www.freewebz.com/grabber351/

Hope this helps.

------------------
-Rusty

'73 Mercury Comet GT
'74 Mustang II Class 1
'83 Olds Daily Hoop Ride

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69maverick
Moderator

Posts: 1153
From: Thomaston,CT.
Registered: Jan 2001

posted 02-15-2004 09:05 AM     Click Here to See the Profile for 69maverick   Click Here to Email 69maverick     Edit/Delete Message   Reply w/Quote
You will need the frame cross member and the right V8 motor mounts and the tranny mount? I question the tranny mount because of the C6 I'm not sure if the standard V8 mount will work anyway. You need to make something?? You had bettr get started cutting the shock towers. The 351C is pretty wide. The tunnel may need to be modified as well? The other thing I wonder about is the frame cross member working with the 351C where is the hump in the oil pan?

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RobBartoni
Journeyman

Posts: 6
From: Benton, IL, U.S. Of A
Registered: Jan 2004

posted 02-15-2004 02:57 PM     Click Here to See the Profile for RobBartoni   Click Here to Email RobBartoni     Edit/Delete Message   Reply w/Quote
Thanks for the help. To answer your questions, I have no idea about the Cleveland. I'm trying to locate a reasonably priced Windsor, and having very little luck. My father and I were going to make a little father-son project out of my Mav. Of course, first we've got to get her titled and get new plates for her.

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69maverick
Moderator

Posts: 1153
From: Thomaston,CT.
Registered: Jan 2001

posted 02-15-2004 03:01 PM     Click Here to See the Profile for 69maverick   Click Here to Email 69maverick     Edit/Delete Message   Reply w/Quote
Your Right I don't know what made me think you were using a Cleveland? Maybe because you said you were going to run a C6. I would not use a C6 unless you really need to. A well built C4 will do the job very well.

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RobBartoni
Journeyman

Posts: 6
From: Benton, IL, U.S. Of A
Registered: Jan 2004

posted 02-15-2004 03:32 PM     Click Here to See the Profile for RobBartoni   Click Here to Email RobBartoni     Edit/Delete Message   Reply w/Quote
Really? Well, that opens up a new question. Could I rebuild my C4 or would I have to get a new one?

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cpmaverick
Gearhead

Posts: 1605
From: Auburn, AL.
Registered: Jan 2000

posted 02-16-2004 03:10 AM     Click Here to See the Profile for cpmaverick   Click Here to Email cpmaverick     Edit/Delete Message   Reply w/Quote
You will have a really hard time getting a C6 to even fit in a Maverick.

Yes, you can use your C4, but I'm not sure what differences there are in the I6 and V8 versions. A competent shop with knowledge (and maybe a bit of performance experience) can probably rebuild your C4 to hold a 351's torque. But a straight-up rebuild might not be enough.

I do know of a certain Maverick that had a pretty stout 289 with a C4 from its original I-6 (250) behind it that held up fine, so it might be no problem, I just don't know much about autos.

------------------
-Charlie Ping
1970 Maverick Grabber
[email protected] with AC and overdrive.
http://www.maverickgrabber.com

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68F100
Gearhead

Posts: 2127
From: Fort Madison, Iowa USA - United We Stand
Registered: Oct 99

posted 02-16-2004 06:12 AM     Click Here to See the Profile for 68F100   Click Here to Email 68F100     Edit/Delete Message   Reply w/Quote
I didn't touch my c4 when I swapped from the 240 I6 to a 302. I'm sure I wasn't making tons of power with the 302, but it held up fine for me.

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69maverick
Moderator

Posts: 1153
From: Thomaston,CT.
Registered: Jan 2001

posted 02-16-2004 07:38 AM     Click Here to See the Profile for 69maverick   Click Here to Email 69maverick     Edit/Delete Message   Reply w/Quote
If you don't know anyone who knows who can build a Strong C-4 go to a local speed shop and ask if they can make some recomendations. The I-6 tranny can be beefed up the case is the same.

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CometGT1974
Gearhead

Posts: 299
From: Asheville, NC USA
Registered: Jan 2002

posted 02-16-2004 08:37 AM     Click Here to See the Profile for CometGT1974   Click Here to Email CometGT1974     Edit/Delete Message   Reply w/Quote
Call JPT in michigan, he'll tell you exactly what you need for that C4. If you're close to MI have him build it for you!!

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todmeg
Gearhead

Posts: 375
From: sayreville,nj
Registered: Apr 2001

posted 02-16-2004 06:31 PM     Click Here to See the Profile for todmeg   Click Here to Email todmeg     Edit/Delete Message   Reply w/Quote
the v/8 version of a c4 is either one or two (not sure) extra clutches. be patient... wait till you find one. i am told a c4 from a 250 is fine but i have also been told a c4 from a 302 will hold up better. the tranny can come from a comet also... not just a maverick.

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todmeg
Gearhead

Posts: 375
From: sayreville,nj
Registered: Apr 2001

posted 02-16-2004 06:34 PM     Click Here to See the Profile for todmeg   Click Here to Email todmeg     Edit/Delete Message   Reply w/Quote
uhhhhh one other thing... if your 6 is a 250 you are in fine shape. if not you will also need a bell housing from either a 250 or 302. there MUST be something like that in a yard near you. if not, somebody here probably has one.

------------------
scott
todds' dad
MCCI nj state rep
1972 4door-250 c4
1970 302,c4, firehawks+ansens.

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scrapper60
Journeyman

Posts: 13
From: Tuscumbia Al. USA
Registered: Sep 2002

posted 02-18-2004 07:32 PM     Click Here to See the Profile for scrapper60   Click Here to Email scrapper60     Edit/Delete Message   Reply w/Quote
The guy that does my trans work told me a 200-6 C-4 has 4 clutch discs and a V-8 C-4 has 5. He has rebuilt 2 for me. One works great with a shift kit in it. The other is on the bench waiting for me to put it in.
Unless you're gonna race it alot, I think I might try it like it is. Or, on the other hand if you do that, you may get to pull it out again.

Jerry O.

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LIL CYCLONE
Journeyman

Posts: 5
From: GUSTINE,TEXAS
Registered: Mar 2004

posted 03-05-2004 02:56 AM     Click Here to See the Profile for LIL CYCLONE   Click Here to Email LIL CYCLONE     Edit/Delete Message   Reply w/Quote
ON YOUR CONVERSION, THE 351W IS WIDER THAN THE 302, YOU WILL HAVE SHOCK TOWER PROBLEMS, YOU CAN EITHER GET SAY A MUSTANG 2 CONVERSION OR DO LIKE I AM DOING, GET A SLEDGE HAMMER AND GENTLY MAKE ROOM.

------------------
JOHN(LIL CYCLONE) HOPKINS

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69maverick
Moderator

Posts: 1153
From: Thomaston,CT.
Registered: Jan 2001

posted 03-05-2004 09:37 AM     Click Here to See the Profile for 69maverick   Click Here to Email 69maverick     Edit/Delete Message   Reply w/Quote
I would really rather see you cut them and weld a plate in there! A bashed up engine bay is not something your going to want to open up and show anyone? Atlest thats just me!!

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todmeg
Gearhead

Posts: 375
From: sayreville,nj
Registered: Apr 2001

posted 03-11-2004 03:05 PM     Click Here to See the Profile for todmeg   Click Here to Email todmeg     Edit/Delete Message   Reply w/Quote
since you are only in the "thinking"stage, why not just go with a 302 or 289? they fit like a glove and for not a lot of money, you sure can make your maverick/comet scoot! i only have a stock 302 with headers and it flies! of course it is gonna really boogie when we add the intake and carb. best of luck.

------------------
scott
todds' dad
MCCI nj state rep
1972 4door-250 c4
1970 302,c4, firehawks+ansens.

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69maverick
Moderator

Posts: 1153
From: Thomaston,CT.
Registered: Jan 2001

posted 03-11-2004 06:17 PM     Click Here to See the Profile for 69maverick   Click Here to Email 69maverick     Edit/Delete Message   Reply w/Quote
Hey Scott what intake do you want?

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todmeg
Gearhead

Posts: 375
From: sayreville,nj
Registered: Apr 2001

posted 03-11-2004 08:16 PM     Click Here to See the Profile for todmeg   Click Here to Email todmeg     Edit/Delete Message   Reply w/Quote
a mild one jim... got pictures? todd is already foaming at the mouth!

------------------
scott
todds' dad
MCCI nj state rep
1972 4door-250 c4
1970 302,c4, firehawks+ansens.

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19FordMav72
Gearhead

Posts: 173
From: sayreville, nj
Registered: Apr 2001

posted 03-11-2004 09:15 PM     Click Here to See the Profile for 19FordMav72   Click Here to Email 19FordMav72     Edit/Delete Message   Reply w/Quote
Yea. Im looking for an edelbrock performer rpm with a 600 vacuum secondaries.

------------------
Todd S.
im the tod in todmeg
waiting for the right TWO door

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69maverick
Moderator

Posts: 1153
From: Thomaston,CT.
Registered: Jan 2001

posted 03-11-2004 09:55 PM     Click Here to See the Profile for 69maverick   Click Here to Email 69maverick     Edit/Delete Message   Reply w/Quote
You have mail Scott!
Todd you don't really want a RPM for your motor My Performer will be just right with a 600 for your motor.

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LIL CYCLONE
Journeyman

Posts: 5
From: GUSTINE,TEXAS
Registered: Mar 2004

posted 03-15-2004 01:40 AM     Click Here to See the Profile for LIL CYCLONE   Click Here to Email LIL CYCLONE     Edit/Delete Message   Reply w/Quote
IF YOU STICK WITH THE 351 IDEA, LIKE I DID AND YOU HAVE THE CASH I'D GO THE EXTRA MILE AND GET THE MUSTANG 2 CONVERSION KIT ITS BETWEEN 1500 AND 2500 DEPENDING ON WHERE YOU GET IT FROM.. AND YES I DID MAKE ROOM WITH A SMALL SLEDGE, SINCE I HAVE MY ENGINE OUT ANYWAY, I HEATED THE SHOCK TOWERS UP AND GENTLY MADE A "LITTLE" ROOM, IF YOU NEVER NEW THAT THE ENGINE WAS TOUCHING YOU WOULDN'T NOTICE THE LITTLE EXTRA ROOM. I'LL BE PUTTING HEADERS ON IT THIS WEEK, WE'LL SEE IF I MADE ENOUGH ROOM...

------------------
JOHN(LIL CYCLONE) HOPKINS

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