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Author Topic: Gonna do it.  (Read 2938 times)

Jason Goldsack

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Gonna do it.
« on: April 30, 2012, 03:41:28 AM »

I have been talking with my mopar buddies and I think Eileen is gonna get a 360 magnum conversion with overdrive tranny. The wrecking yards are full of these and these truck rotted off the face of the planet so finding a donor shouldn't be that hard.

Now I have been also thinking about swapping the 8 3/4 for the truck rear too. That would get me the 3.55 gear. I haven't measured but it really can't be that far off since the 65 is pretty wide. I'm gonna measure the rear in my 98 and see how close we are. What is the measurement on the C-body 8 3/4?

I suppose I HAVE to use the truck computer in order to properly run the tranny right?

Any idea on a header to use.. maybe a Dakota shortie header?





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Jason

(Eileen)1965 Chrysler Windsor, 361/727/2.76 16.49 @ 86 mph

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« Reply #1 on: April 30, 2012, 05:40:20 AM »

Sounds right on everything except the rear end. The usual swap is the other way around, the 8.75 swaps go into the Dakota trucks because the ones in the Dakotas are 8.25 (I think), but either way weaker than the 8.75. Now, if it happens to be a dana 60 rear, yeah, truck rear end, but bolt pattern is then the only issue. And yes, if doing a complete Magnum swap, the computer to run everything is best, but there are some easy kits from the trans shop companies that can help out with the quick trans wiring without the computer, not much more than a switch and a cable if not mistaken, they do it all the time with the big block swaps.
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Jason Goldsack

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« Reply #2 on: April 30, 2012, 06:03:55 AM »



Ya.. but.... if they last in a Truck.. it should last in a cruising C-body. This is not a drag car.

I forgot about the bolt pattern change.. oops.... that won't work... :(



1965Windsor3612012-04-30 11:06:21
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Jason

(Eileen)1965 Chrysler Windsor, 361/727/2.76 16.49 @ 86 mph

Steve

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« Reply #3 on: April 30, 2012, 06:06:11 AM »



I have a 355 sure grip rear here using that canadian gear posi.  But it was never set up right.  Howels  Wanna buy it and have it adjusted?   We can do the smuggle routine with WeeBee.  Polaraco is 323.   And getting 20 MPG
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Jason Goldsack

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« Reply #4 on: April 30, 2012, 06:13:02 AM »

pm with a price.. I'll have to ask the boss.. LOL

The 361 gets 16.. and when it comes out it will probably end up in my step dad's 1970 Pickup...

I was gonna ask about cats. The computer looks for them... will I need to install them on the 65 for the computer to calculate the mixture right?



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Jason

(Eileen)1965 Chrysler Windsor, 361/727/2.76 16.49 @ 86 mph

Steve

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« Reply #5 on: April 30, 2012, 06:19:27 AM »



Not sure on the ODP2. . .  I have the cats.  It seems to need that extra back pressure to run right
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Jason Goldsack

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« Reply #6 on: April 30, 2012, 06:23:15 AM »

I was thinking about that... so you are not running headers?







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Jason

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« Reply #7 on: April 30, 2012, 06:35:11 AM »

You really don't need the headers. These engines are set up to use back pressure to slow down the exhaust to cool it to keep the fuel/air ratios optimal, catcons aren't as bad as they used to be and for a full system setup, I would still use them if they are good.
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Jason Goldsack

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« Reply #8 on: April 30, 2012, 06:38:25 AM »

I thought back pressure was evil... 


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Jason

(Eileen)1965 Chrysler Windsor, 361/727/2.76 16.49 @ 86 mph

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« Reply #9 on: April 30, 2012, 07:18:17 AM »

Somehow they figured out how to us a certain amount of it to cool the exhaust and make the engines last longer and reduce the engine gas temps. Now, that doesn't mean it is more efficient or anything like that, but it does mean the engine puts out less caustic gasses, and allows them to run leaner, which equates to less fuel used to accomplish the same job.
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Steve

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« Reply #10 on: April 30, 2012, 06:32:36 PM »



Been here!  Done This.  Piece-O-Cake
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Jason Goldsack

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« Reply #11 on: May 01, 2012, 02:40:09 AM »

This is not looking like to easy of a swap...




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Jason

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« Reply #12 on: May 01, 2012, 05:54:50 AM »

It's not that bad, just have to get everything moved.
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Jason Goldsack

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« Reply #13 on: May 01, 2012, 06:15:21 AM »

Maybe it would be easier to get a megasquirt ECU to control the EFI and find a non computer control overdrive tranny...

I want to have a brand new driveshaft made.. the one I have looks too pitted to be shortened..





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Jason

(Eileen)1965 Chrysler Windsor, 361/727/2.76 16.49 @ 86 mph

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« Reply #14 on: May 01, 2012, 06:45:21 AM »

Check with some of the different aftermarket transmission companies (TransGo, etc.), and you will find the setup for the transmission. Remember, the 4spd overdrive transmission was a biggie to go behind the big blocks with an adapter, ministarter and a simple button to engage the overdrive, and kickdown cable. If you want to spend the money on Megasquirt, go ahead, it is your money, not mine.
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