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#33133 - 11/14/12 03:12 PM Re: 340sb with 5 speed conversion - speedo adapter [Re: 48Heap]
Buschi340 Offline
mopar

Registered: 09/09/03
Posts: 467
Loc: Germany, Northcoast
i used the small block flywheel. Welded the holes and re-drilled. Working good, no vibrations. Even without balancing...
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#33134 - 11/15/12 03:53 AM Re: 340sb with 5 speed conversion - speedo adapter [Re: Buschi340]
Pale_Roader Offline
Swears too much

Registered: 01/21/05
Posts: 4624
Loc: the frozen wastes...

I'm also paying attention here... as i'm slowly being or rather... letting myself be convinced to trade my big block for a small block for a daily driver.

Just wondering though, both posted pictures ov some fairly severe floor/tunnel modifications... I'm really not interested in that. I'll trim, whack, cut a bit here and there, but i'd like to keep as much original metal as possible.

My question is... would i have to do as much to put that tranny in an E-body...??? My car is a 70 Challenger, and already a stick car.

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#33135 - 11/15/12 06:03 PM Re: 340sb with 5 speed conversion - speedo adapter [Re: Pale_Roader]
Buschi340 Offline
mopar

Registered: 09/09/03
Posts: 467
Loc: Germany, Northcoast
sorry, I don't know how wide the tunnel in an E-Body is but I guess you have to cut the same like I did.
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#33136 - 11/21/12 11:03 AM Re: 340sb with 5 speed conversion - speedo adapter [Re: Buschi340]
Buschi340 Offline
mopar

Registered: 09/09/03
Posts: 467
Loc: Germany, Northcoast
here in the attached picture is the 96 Dakota Clutch hydraulik I'm currently using. I'm looking for similar but serviceable...


Attachments
7470887-96Dakotaclutchhydraulic.JPG (212 downloads)

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#33137 - 11/21/12 11:25 AM Re: 340sb with 5 speed conversion - speedo adapter [Re: Buschi340]
cageman Offline
mopar

Registered: 03/17/08
Posts: 685
Loc: Bismarck, ND USA
I have a 5 speed out of a 91 chevy s10 in my Valiant, I took all the hydraulic clutch pieces out of that truck too. Been using it for like 8 years now, works good.
Those sealed deals are easy to bleed when they are out of the vehicle. Make sure the resevoir is high and full, and push the master in, that will extend the slave, then push the slave back in and that will push the fluid back into the resevoir, which will get the air out, might have to do it a few times. I did this on a system that was working I pulled out and the cap wasnt on the resevoir tight and the fluid leaked out, basically draining the system. I bled it this way and it worked. Now if it is getting air in, you will never get that solved this way.
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#33138 - 11/21/12 12:03 PM Re: 340sb with 5 speed conversion - speedo adapter [Re: cageman]
Buschi340 Offline
mopar

Registered: 09/09/03
Posts: 467
Loc: Germany, Northcoast
Thanks!
The master has a scratch inside. So its yunk. I opened the master and filled it up. But the system is only good for a few month than too much air is inside.

The S-10 looks similar, right? But it is not sealed because I have a 89 S-10 and I can bleed on the slave the common way. Is the 91 the next generation from mine? Mybe I should measure my Chevy set and try to use Chevy tech in the car :-D
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#33139 - 11/21/12 12:39 PM Re: 340sb with 5 speed conversion - speedo adapter [Re: Buschi340]
cageman Offline
mopar

Registered: 03/17/08
Posts: 685
Loc: Bismarck, ND USA
Im usuing a Hydro release bearing, so It bleads off of that, I just pulled another trans and clutch setup off of another s10 a couple weeks ago for anothere vehicle, so Ill have to look. I basically had to drill two holes around the hole in the floor the old clutch linkage went through. I also made a plate to reinforce the floor. I used the steel fitting coming out of the master, but I tig welded a steel an-4 fitting to it, and used steel braided line to connect the two, works good. About a year after I did mine, I think it was keisler that came out with almost the exact smae thing.

I grabbed a hydro release bearing setup off of a jeep cherokee, it fits niceley on a chrysler four speed, but the car that is going into is collecting dust in my shop. I never get to work on my own stuff it seems.
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#33140 - 11/26/12 09:54 AM Re: 340sb with 5 speed conversion - speedo adapter [Re: Buschi340]
Greg55_99 Offline
enthusiast

Registered: 09/27/07
Posts: 285
Loc: MA

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#33141 - 11/26/12 10:07 AM Re: 340sb with 5 speed conversion - speedo adapter [Re: Buschi340]
70Cuda383 Offline


Registered: 10/07/03
Posts: 21345
Loc: Marysville, O-H-I-O
Quote:

Thanks!
The master has a scratch inside. So its yunk. I opened the master and filled it up. But the system is only good for a few month than too much air is inside.

The S-10 looks similar, right? But it is not sealed because I have a 89 S-10 and I can bleed on the slave the common way. Is the 91 the next generation from mine? Mybe I should measure my Chevy set and try to use Chevy tech in the car :-D




Do you need a new master/slave? I could probably get one at the local parts store and have it shipped to you cheaper than you could "mail order" one in.

The stock Dakota Master/slave assembly is a good piece, and can last for years and hundreds of thousands of miles without ever causing problems, leaking, etc. I've had 2 Dakota's that were 5-spds from the factory, and neither one has ever had a leak or problem with the hydraulic master/slave system on the clutch.

If yours is damaged, I would consider just replacing it with a new off the shelf part, vs putting together an expensive aftermarket Hyd. TO bearing set-up.

I had a bigblock/TKO set-up that used aftermarket parts, and the hydraulic master/TO bearing cost me about $400 total, vs about $120 for the stock Dakota stuff.
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#33142 - 12/15/12 06:35 PM Re: 340sb with 5 speed conversion - speedo adapter [Re: 70Cuda383]
rapidtransitrick Offline
member

Registered: 10/03/09
Posts: 52
Loc: illinois
excellent thread here. very useful information

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#33143 - 01/08/13 05:08 PM Re: 340sb with 5 speed conversion - speedo adapter [Re: Greg55_99]
Buschi340 Offline
mopar

Registered: 09/09/03
Posts: 467
Loc: Germany, Northcoast
Quote:

http://www.jalopyjournal.com/forum/showthread.php?t=751391&highlight=ax15

Greg


thats great!!! Now only a good master and my prob is fixed. Maybe one of the wilwoods? Or does Dakota or Jeep have aluminium master too?

Thanks for the link!
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#33144 - 01/29/13 12:44 PM Re: 340sb with 5 speed conversion - speedo adapter [Re: Pale_Roader]
nebo Offline
super street

Registered: 06/12/03
Posts: 179
Loc: Groton, MA
Quote:


I'm also paying attention here... as i'm slowly being or rather... letting myself be convinced to trade my big block for a small block for a daily driver.

Just wondering though, both posted pictures ov some fairly severe floor/tunnel modifications... I'm really not interested in that. I'll trim, whack, cut a bit here and there, but i'd like to keep as much original metal as possible.

My question is... would i have to do as much to put that tranny in an E-body...??? My car is a 70 Challenger, and already a stick car.




I have the same problem but it is a 71 Cuda 4 speed car. I have posted a bunch on this thread previously and have the R154 and Hemi all assembled together on a spare K frame sitting next to the Cuda. This is handy because I can make measurements to see how it will all fit before actually trying the install. My conclusion is the floor pan is going to have to be hacked and unfortunately that includes cutting the torsion bar support that runs under the trans tunnel. My problem is I cannot bring myself to do this on a near perfect rust free original 340 Cuda. Additionally the shifter location on the R154 will have to be moved back a considerable distance. I am waiting to see how the McLeod and Passon retrofit 5 speeds work out and may go that route instead even though it is considerably more expensive.

Nebo

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#33145 - 04/16/13 09:54 PM Re: 340sb with 5 speed conversion? [Re: Buschi340]
hemiova Offline
member

Registered: 04/16/13
Posts: 1
Loc: mn, usa
Quote:

you are right. You need to fabricate an adapter like I did. I think it's the easiest way. See picture...




What was used to make this adapter? I know the I.D is 0.471" and O.D is size of mopar pilot bearing but what was the length? what kind of material is that?

this is the only part i am stuck on with my swap. thanks in advance

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#33146 - 06/11/13 11:10 PM Re: 340sb with 5 speed conversion - Pilot bearing...? [Re: Buschi340]
kfd Offline
member

Registered: 02/17/12
Posts: 22
Loc: San Diego
Hey fellas, I hate being the noob bumping a thread that has been dead longer than a few weeks, but I found some useful info and wanted to put it here so l could find it later, and contribute to this thread!

I had a few questions that didn't make sense, and instead of asking more questions I thought I would contribute...

So being out of the Mopar game almost ten years, my new Japanese car fetish found a way back to my Mopar roots: the LA-series is an easy drop in the '70-'78 Datsun Z! I was perusing HybridZ when a link to this very thread...

My biggest question was how the R154 input shaft cooperated with the Mopar pressure plate... I found this answer on Slant Six.org...





This is the clutch... I'll get to that...


Now, call me speshul, but I might have seen this picture a page or two back...


Okay... What I found...

This was user Joshua Skinner, and he is stuffing a 273 in an RX-7...

So like what I have read here, 3.9 (AX-15)Bellhousing, 89-91 Soopra R154 gearbox. Spec Clutch built that pretty blue thing, and he had a sleeve machined to hold the bearing to accept the Toyota snout. That is a Shiefer aluminum flywheel, I read in a later post it is a 143 tooth big-block unit!

I didn't follow the starter idea, but I did see a link for a good upgrade for the plastic clutch slave. What I read on an another post (I will see if I find the link again), a newer Liberty slave has an aluminum body (say if your master isn't a Mopar bolt pattern)...

Okay, I lied. It's from a Grand Cherokee... There's the part number...


Okay, this thing looks like the plastic Dakota unit, but being rendered in aluminum, it can be tapped and a line can be ran to your clutch master!



A company called Advance Adapters makes this kit for about seventy-five
Bucks...





Blowing the dust off my latent Mopar knowledge, all Magnum and pre-'92 LA have the same flywheel (and bellhousing.. I think even Early Hemis, excluding '55-'56 331s have the same , I am sure someone can fill me in), so if you find that Dakota or Ram with the five speed, rape and pillage. The R154s are stronger and have a better gear ratio spacing, so continue reading. 318s are internally balanced, 360s are externally balanced, and 340s cross the block at Barrett-Jackson.

I didn't find a clear answer on what starter you guys used, but everything else made good sense...

I leave for my Japan deployment in August, (woo-hoo Fender Mirrors and JDM taillights!!) so the question of getting a stock dual snorkel air cleaner (with the forged-crank 340) under the hood of a 918 Orange 240Z with correct "D" hubcaps isn't happening soon, but I am keeping an eye open for parts... And answers!

Later,

KFD

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#33147 - 07/15/13 11:21 AM Re: 340sb with 5 speed conversion - Pilot bearing...? [Re: kfd]
Buschi340 Offline
mopar

Registered: 09/09/03
Posts: 467
Loc: Germany, Northcoast
i used the cherokee slave, wilwood master, advanced adapter set.

Starter is 5.7 Truck Hemi.

All works perfect. Kinda boring hahahaha
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#2048698 - 04/07/16 08:38 AM Re: 340sb with 5 speed conversion? [Re: Buschi340]
Buschi340 Offline
mopar

Registered: 09/09/03
Posts: 467
Loc: Germany, Northcoast
think ist time to Change the clutch. Lasted a Long time on Strip and street. almost 8 years.

still have the CF2 in the car. But can't find the coreect part number. And you guys know the equivalent from CF DFX or McLeod? 10.5". Flywheel is 143 tooth ( 5300 6741 k 68173 nh )
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#2197527 - 11/16/16 05:07 PM Re: 340sb with 5 speed conversion? [Re: Buschi340]
DemonDEN Offline
member

Registered: 11/16/16
Posts: 1
Loc: CO
Buschi, not sure if you're still looking, but I think this is the pressure plate you're looking for:

Centerforce® 11361739

https://www.carid.com/centerforce/dfx-se...CFQkJaQodydoNNQ

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