MX-7 build Reborn! - Page 7 - Mazda MX-6 Forum
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post #91 of 448 (permalink) Old 10-4-10, 21:52
 
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Quote:
Originally Posted by DarkMx-6 View Post
well the inputshaft is interchangeable. I haven't tried it but I think you can mix and match all the input shafts.

I know for sure that you can swap the b2200 input with the n/a rx7.
That's good. Effectively that means you can use any transmission with any bell as long as you use the input shaft that goes with the bell. What do you think?

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post #92 of 448 (permalink) Old 10-4-10, 21:53 Thread Starter
 
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RX-7 Bell

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post #93 of 448 (permalink) Old 10-4-10, 22:05
 
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Updated post 89 with 12.75" for the RX-7 bell housing.

Jeff ~ 1995 PGT ZE-T MSnS-E v3 (317whp @ 8.5psi / 275whp @ 5.5psi)
PARTING A LOT OF 2g and 1g STUFF
FS: Borla for sale.
FS: Clear headlight covers, headlight, fog, tail, gauge cluster
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post #94 of 448 (permalink) Old 10-4-10, 22:09 Thread Starter
 
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Just a fyi swaping just the inputshaft is not easy. The whole transmission must be broken down to get it in or out, which means totally separating both shafts and removing lots of gears and hubs, ect.
So yeah don't do it unless you know what your doing or with someone who does.

Just a warning though =
I do not suggest anyone do this yet
The transmission currently is stuck in 4th. I'm not sure if it is because the input shaft is just a little off or the brass blocker ring is the wrong size. ( the transmission shop gave me the wrong kit but I made it work).

This is my first time rebuilding a transmission. My instructor said it could be that the ring just needs to be broken in a little so we will see if this will even work when I get the whole car together.
If it does not work it could just mean that I did a bad job so I'll take it to a transmission shop and see what can be done.
So unless your willing to pioneer it don't do it.

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post #95 of 448 (permalink) Old 10-4-10, 22:12 Thread Starter
 
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It looks like the F2t is going to be pushed forward in the engine bay a little over an inch from the looks of it.

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post #96 of 448 (permalink) Old 10-4-10, 22:13
 
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I understand your concern. If I were to use a non-mated transmission/bell and require the resulting transmission to be torn down, I would likely spring for a full rebuild at a qualified shop. I would probably pull apart the donor myself though as it would not need to go back together.

What do you think the odds are of getting the length of the Miata bell?

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PARTING A LOT OF 2g and 1g STUFF
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post #97 of 448 (permalink) Old 10-4-10, 22:27 Thread Starter
 
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Possibility tomorrow I should be able to get a picture.

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post #98 of 448 (permalink) Old 10-6-10, 9:10
 
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hard to read your tape in the shaft spacing pics. I take it they are both 2 and 5/8"ish? Don't want to be a PITA, but could you verify exact measurement please? Don't need both. Its quite obvious they are the same. Don't need a pic of it either. Measure center to center.

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post #99 of 448 (permalink) Old 10-6-10, 20:44 Thread Starter
 
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Quote:
Originally Posted by proberider View Post
Its quite obvious they are the same.
thats what I was trying to tell people


just to be sure your talking about how far the shafts are, right?

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post #100 of 448 (permalink) Old 10-7-10, 8:50
 
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right, center of input shaft to center of counter shaft. also an approximation of the thickness of the shafts where the bearings sit on them? thanx for getting all this info for us...

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post #101 of 448 (permalink) Old 10-12-10, 0:04 Thread Starter
 
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Miata bell


Yeah I know I took forever but its here!

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post #102 of 448 (permalink) Old 10-13-10, 10:12
 
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Updated post 89.

Do you know if the input shafts on the Miata and RX-7 or B2200 match? You've already stated that the B2200 is longer than the RX-7.

It seems that the total length of the transmission + bell housing of the Miata and RX-7 are about 27" while the B2200 is only about 24".

Jeff ~ 1995 PGT ZE-T MSnS-E v3 (317whp @ 8.5psi / 275whp @ 5.5psi)
PARTING A LOT OF 2g and 1g STUFF
FS: Borla for sale.
FS: Clear headlight covers, headlight, fog, tail, gauge cluster
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post #103 of 448 (permalink) Old 10-13-10, 18:37 Thread Starter
 
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Each look a little different (longer/shorter). I can measure the length on the rx7 and miata.

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post #104 of 448 (permalink) Old 10-19-10, 15:11 Thread Starter
 
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Test fitting the engine.



Thermostat housing turned 90*, rear thermo bypass coolant nipple moved, n/a distributor gutted out and plugged.


Picked up some b2200 motor mounts from a friend. Its like they were made for the mx6 (they kind of were)
Ah, I think the mounts are a little off though. LOL


I think I need a b2200 starter. mounting holes are a little off.


engine is tilted back just slightly. transmission motor mounts are in. Engine sits on steering rack. I guess I need to lift the rear transmission mounts so that I can level out the engine?

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post #105 of 448 (permalink) Old 10-19-10, 17:44

 
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or get a manual rack like i had. my test fit was almost perfect because the manual rack didnt take up so much space.
also what oil pan are you using?

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