[Home | Mail Archive | Join the mail archive | Photo Gallery ]

Mazda Rotary Pickup Forum
you are logged in as
profile | register | faq | search (active threads) | memberlist
Sponsored by:
Index > @ the Pickup Bed (General Topics) > Thread: 74 supercharged REPU lives again!
Thread: 74 supercharged REPU lives again!
SuperchargedREPU


Newbie
Posts: 7
posted August 04, 2008 05:23 PM

74 supercharged REPU lives again!

It L-I-I-I-I-I-I-V-E-S!

Jay at 'Rx for your 7' got my white 74 REPU up and running for me the other day. She was parked for 4 years while I worked on other things.

I blew up the clutch on Friday after having it towed over to my factory. 'Got the tranny pulled and will drop in a new clutch in a couple of days.

It's a Camden supercharged (mid-size), propane powered (Impco V8 propane carb), 5-speed freak machine! You gotta love that WHINE. WAAAAAAaaaaah, WAAAAAAAaaaaaah, WAAAAAaaah!

I'll slowly start to do some body prep work to get ready to paint it. I'll need to fab a fiberglass hood scoop to get the air down to the air filter better. It already has a hole in the hood with the filter sticking out a bit.

Down here in Tucson, we need to bring in the cooler air!

Everything else seems to check out OK. The ADDCO sway bars and brakes still work. =)

'Researching a source for a new windshield. 'Tired of looking at the crack running top to bottom in the middle.

Little by little, my little REPU will be gettin' more purty.

Drive on,

____________
Jeff Bales / Tucson, AZ

1974 13B-T Supercharged REPU (Camden).
Fueled with propane.
Water injection kit (using methanol).
85 RX7 5 speed tranny.
B1600 diffy gears (exploded the .460).
Soon to be painted!

       
View IP (Administrators only)
Klaus45


Redlining
On two wheels
Posts: 218
posted August 05, 2008 09:52 AM
Edited By: Klaus45 on 5 Aug 2008 09:53

Congratulations!

...and Propane-powered, to boot!

(Do tell, about that methanol injection setup!)

What year rx-7 differential? In an otherwise REPU rearend ?!? Hope you don't find that '85 trans. becoming problematic;(apparently, the earlier ones held up a bit better).

(...and welcome to the Forum!)

       
View IP (Administrators only)
SuperchargedREPU


Newbie
Posts: 7
posted August 05, 2008 12:07 PM

Methanol / diff

quote:
...and Propane-powered, to boot!

(Do tell, about that methanol injection setup!)

What year rx-7 differential? In an otherwise REPU rearend ?!? Hope you don't find that '85 trans. becoming problematic;(apparently, the earlier ones held up a bit better).

(...and welcome to the Forum!)


Well... it's not really injection. I use a water kit that is called water injection, but the pressure is low and doesn't actually generate a spray (injection). It drips into the carb. I use methanol instead since not much is needed and it cools much better.

The supercharger makes the intake charge fairly hot and whips the air around so much that it doesn't make a difference whether the liquid is vaporized or not. The liquid is vaporized anyway by the heat and mechanical action of the blower. It delivers the fluid based upon vacuum in the carb. EZ set up.

I don't remember which year of RX7 the diff gears are from... it's been so long ago. Uh, oh, memory is starting to work... it's not from an RX7, it's from the piston version of the REPU, the 1600. What gears are those, around .410? Sorry to have misled. I didn't remember it correctly. Now I remember finding that B1600 in the junk yard and taking out the gears (too many Turbo II and other RX7 differential memories jammed into my head).

____________
Jeff Bales / Tucson, AZ

1974 13B-T Supercharged REPU (Camden).
Fueled with propane.
Water injection kit (using methanol).
85 RX7 5 speed tranny.
B1600 diffy gears (exploded the .460).
Soon to be painted!

       
View IP (Administrators only)
tom93r1


Redlining
Posts: 458
posted August 06, 2008 09:05 AM

Cool, another REPU in AZ. Now I cant call every BBQ I have by myself the AZ REPU Club meet.
____________


'74 lawn-green
4-port 13b
Weber 48DCO
Racing Beat Header
Magnaflow
resonator/amplifier
really loud!

        Click here to send Tom93R1 an ICQ message. Click here to add 16640317 to your ICQ list. Click here to visit Tom93R1's homepage. Click here to send Tom93R1 an AIM message. 
View IP (Administrators only)
micah


Hauling
Posts: 167
posted August 08, 2008 09:04 AM

Sounds cool! I feel ya on the heat issues!

       
View IP (Administrators only)
Klaus45


Redlining
On two wheels
Posts: 218
posted August 08, 2008 10:09 AM

BIG Intercooler ?

quote:
Sounds cool! I feel ya on the heat issues!

       
View IP (Administrators only)
SuperchargedREPU


Newbie
Posts: 7
posted August 08, 2008 09:14 PM

Big Intercooler?

No intercooler; just the methanol during load. It's an old fashioned style supercharger that sits right on top of the intake, just before going into the motor.

I've been thinking that it would be fun (after I build my new hood scoop) to put a small heater core from a Chevette (or similar) in the hood scoop inlet to run CO2 through it for cold air intake. That could be fun and cheap to set up. I could vent the gas vertically to look like a silly nitrous solenoid venting. It wouldn't take much CO2 to chill down the intake temp quite a lot.

Hah... what a funny image that just gave me! It would look like something blew up under the hood during a few seconds of throttle fun. Hahahaha!

Ah, life it too much fun. =)


____________
Jeff Bales / Tucson, AZ

1974 13B-T Supercharged REPU (Camden).
Fueled with propane.
Water injection kit (using methanol).
85 RX7 5 speed tranny.
B1600 diffy gears (exploded the .460).
Soon to be painted!

       
View IP (Administrators only)
Klaus45


Redlining
On two wheels
Posts: 218
posted August 08, 2008 09:31 PM

I know what the Camden looks like -- just a question/suggestion for Micah's turbo...

Sounds like fun, though!

       
View IP (Administrators only)
All times are PST (US)
Post New Poll   Post New Topic    Post New Reply
Rate Topic:
Powerd By: BlazeBoard

[Home | Mail Archive | Join the mail archive | Photo Gallery ]
0.029778003692627 seconds processing time