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REBEL/M-XRV8

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amcenthusiast View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote amcenthusiast Quote  Post ReplyReply Direct Link To This Post Posted: Jun/16/2018 at 6:36pm
I lost count of how many times this trans was removed, taken apart for various reasons and reinstalled to make it all happen & 'get it right'. Now we know what must be done to adapt a high stall FMX torque converter to a mid-sixties AM iron case Flashomatic transmission (whew; glad that's over with!)

The 1700-2100 high stall torque converter should work well with the higher idle speed of the independent runner induction system and this will help launch the heavier built Rebel by having the Rambler V8 a little more into it's peak torque range when stomping on the gas pedal from a dead stop.


Edited by amcenthusiast - Jul/19/2018 at 7:25pm
443 XRV8 Gremlin YouTube video: https://www.youtube.com/watch?reload=9&v=2DmFOKRuzUc
XRV8 Race Parts website: http://amcramblermarlin.1colony.com/
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amcenthusiast View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote amcenthusiast Quote  Post ReplyReply Direct Link To This Post Posted: Jul/15/2018 at 8:25am
-Been working on making the custom electrical system and fabricating the instrument cluster:



I chose to use a Jeep CJ 'all-in-one' speedo/cluster for it's compactness of design and aftermarket parts availability + it goes with the Jeep CJ 15 gallon gas tank
(car came with no gas tank -typical) & of course, these items 'keep it all AMC!'




Edited by amcenthusiast - Feb/06/2020 at 7:49pm
443 XRV8 Gremlin YouTube video: https://www.youtube.com/watch?reload=9&v=2DmFOKRuzUc
XRV8 Race Parts website: http://amcramblermarlin.1colony.com/
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Post Options Post Options   Thanks (0) Thanks(0)   Quote scott Quote  Post ReplyReply Direct Link To This Post Posted: Jul/15/2018 at 8:43am
This build reminds me of my Dad's drag car from the late 50's early 60's. Henry J with a McCulloch supercharged 322 Buick set back as far as possible. Dad drove from the back seat.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote amcenthusiast Quote  Post ReplyReply Direct Link To This Post Posted: Jul/15/2018 at 8:46am
Hi Scott! Sorry this post is out of order; I was busy posting this while you already posted that...

...testing the car a little more, it was running hot, so I chose a 'Speed Daddy' (eBay) 2 row aluminum radiator with dual fan kit. The fans run nice and quiet. (more quiet than the electric fuel pump anyway)



One problem with the fans: they did not fit side by side without trimming the plastic frames. -Had to cut about 1/4" off each side (four cuts, very easy to do, does not damage structural integrity of the fan shrouds)



Pics of starter and '75 Gremlin alternator wired in 'all neat and tidy' for trouble free operation (using XRV8 RP 'low mount' alternator brackets of course):




Edited by amcenthusiast - Jul/19/2018 at 8:03pm
443 XRV8 Gremlin YouTube video: https://www.youtube.com/watch?reload=9&v=2DmFOKRuzUc
XRV8 Race Parts website: http://amcramblermarlin.1colony.com/
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Post Options Post Options   Thanks (0) Thanks(0)   Quote amcenthusiast Quote  Post ReplyReply Direct Link To This Post Posted: Jul/15/2018 at 9:04am
Hey Scott! -yeah, there you go: Time warp! -trip back to the mid-sixties A/FX 'movement'...

Funny thing is, I've been thinking about you lately because I still need to explain my theories on Rambler V8 header design.

I made two shop drawings for comparing a 'conventional' V8 180 degree design to XRV8 Gremlin's header system but I plan to show them when/if ever I get to the point of making the 180 degree header system for this car.

It's 'in the works' though... just a matter of time (the Rebel/M's engine mounts are made to allow the crossover pipes under the engine so cylinders 3 & 5 and 4 & 6 can have their exhaust pulses meet with 1 & 7 and 2 & 8)

Fun seeing vintage pics of your Dad's car. (we had 'black and white TV' back then too!)


Edited by amcenthusiast - Jul/16/2018 at 1:40am
443 XRV8 Gremlin YouTube video: https://www.youtube.com/watch?reload=9&v=2DmFOKRuzUc
XRV8 Race Parts website: http://amcramblermarlin.1colony.com/
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Post Options Post Options   Thanks (0) Thanks(0)   Quote amcenthusiast Quote  Post ReplyReply Direct Link To This Post Posted: Jul/17/2018 at 1:32am
Tested the new custom wiring for the fans, instrument cluster, alternator/charging system, ignition, starter etc and everything works as intended.

Where 'less is more', removing weight by gutting the doors; before and after:

Before:



68 lbs.



After:



44 lbs.



-so the doors got installed and the car got a 48 lb. weight reduction.
 

Edited by amcenthusiast - Aug/01/2018 at 11:48pm
443 XRV8 Gremlin YouTube video: https://www.youtube.com/watch?reload=9&v=2DmFOKRuzUc
XRV8 Race Parts website: http://amcramblermarlin.1colony.com/
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Post Options Post Options   Thanks (0) Thanks(0)   Quote amcenthusiast Quote  Post ReplyReply Direct Link To This Post Posted: Jul/18/2018 at 11:20am
XRV8 RP Shop Drawing to help explain Rebel/M-XRV8 construction goals:



...already reset date on camera!


Edited by amcenthusiast - Jul/18/2018 at 11:24am
443 XRV8 Gremlin YouTube video: https://www.youtube.com/watch?reload=9&v=2DmFOKRuzUc
XRV8 Race Parts website: http://amcramblermarlin.1colony.com/
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Post Options Post Options   Thanks (0) Thanks(0)   Quote amcenthusiast Quote  Post ReplyReply Direct Link To This Post Posted: Jul/18/2018 at 11:38am
Theory is the car goes nowhere until the C/G (center of gravity) moves, whereas all other movement is 'unwanted movement', pulling the car in other directions that must be absorbed and controlled by the suspension. Excessive gyrations are parasitic movement, where energy from the engine (prime mover of the vehicle) is 'lost' to moving the chassis in undesired directions. By reducing parasitic movement of the chassis, more power is used to move the center of gravity instead.


Edited by amcenthusiast - Jul/18/2018 at 11:45am
443 XRV8 Gremlin YouTube video: https://www.youtube.com/watch?reload=9&v=2DmFOKRuzUc
XRV8 Race Parts website: http://amcramblermarlin.1colony.com/
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Post Options Post Options   Thanks (0) Thanks(0)   Quote amcenthusiast Quote  Post ReplyReply Direct Link To This Post Posted: Jul/25/2018 at 8:02am
-Getting it sorted out so it runs and drives good:





-ready for a five panel 'Wink' rear view mirror?





 

Edited by amcenthusiast - Aug/10/2018 at 6:35pm
443 XRV8 Gremlin YouTube video: https://www.youtube.com/watch?reload=9&v=2DmFOKRuzUc
XRV8 Race Parts website: http://amcramblermarlin.1colony.com/
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Post Options Post Options   Thanks (0) Thanks(0)   Quote amcenthusiast Quote  Post ReplyReply Direct Link To This Post Posted: Jul/25/2018 at 8:05am
Fitted engine torque strap:


 


hood pins...





Edited by amcenthusiast - Feb/06/2020 at 7:52pm
443 XRV8 Gremlin YouTube video: https://www.youtube.com/watch?reload=9&v=2DmFOKRuzUc
XRV8 Race Parts website: http://amcramblermarlin.1colony.com/
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