August 16, 2018, 12:33:00 AM

Recent Posts

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The Lounge / Re: New Project! Motorcycle powered car
« Last post by stu2211 on Today at 12:01:30 AM »
Hey guys - going through some old pictures and I realized I haven't updated this thread in a while. It's kind of amazing how many hours I've spent on the car with progress as slow as it's going. Other than every little pic, I'll just give you guys the greatest hits version:

New rear subframe with weird suspension

From the literal truck load of parts I bought off an abandoned proj, I got a brand spankin new rear subframe! Check out the whacky suspension - they call it ball and trumpet, you can see one side still in. The little rubber half plunger thing actually has dunlop stamped on it. Yes, the same as the tennis ball company.



Coilovers in!

Some people decide to remove the ball and trumpet and go with something a little more modern. I'm not 100% happy with how these are mounted. Due to the way the wheel wells are, there's not much clearance for the whole coilover assembly. The manufacturer basically took the top hat, and put on a single offset mounting point to give the coil some clearance, but there's nothing really keeping the whole thing from pivoting back and forth. Maybe sometime way down the line after the car is running, I'll bring it to my fab guy and see if there's something he can do about that.




Baffle

Kinda like with our LS transplants, this swap requires a baffle to try to fight starvation issues. Motorcycles don't really have a sloshing problem since as they corner, the oil is forced down to the bottom of the pan anyway.



Test fitting front subframe

Big problem taking over somebody's abandoned project - things don't fit right! My car is a Mk1, with 2 bolts per mount for each side. The later cars had 1 giant bolt. Unfortunately, the subframe came from a later car, so I had some fun times with a step drill. The actual drilling wasn't so bad, it was all the research trying to avoid any screw ups that took forever (and lack of info; apparently nobody really does this). It turns out each of those boxed areas already had some internal supports so I didn't really need to do much other than drill. On a related note, for a car that was raced and produced for 40 years, there's very very little info that I could find.

So after the holes were drilled, either from 60's tolerances, or 1 crash or another within the car's life, the holes didn't quite line up with the subframe. They were maybe 1-2mm off. So after all the work to ensure perfectly round, centered holes, I took a carbide bit with my dremel and went to town, enlarging the holes to make it fit.



New steering rack + front subframe disassembled for engine mounting

This brings us to last weekend. Brand spankin new steering rack's in and the subframe is disassembled to prep for getting the engine in there. You can see the little box with those 5-6 bolts sticking out along the side, that's actually the mechanical reverse box. The sprocket on the R1 engine actually fits directly into a female side in that box, which drives another sprocket & chain that goes to the LSD diff in the middle of that subframe. Chain driven car, fun times!

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Build Threads / Re: Supe's Engine Swap Thread
« Last post by digitalsolo on August 15, 2018, 10:19:20 PM »
I have that kit on my Mustang project.   Obviously re-drill them for safety wire or cotter pins, but it's a nice kit, really.
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Electronics / Re: Megasquirt 2 V3.0 + LSx - Tachometer signal
« Last post by digitalsolo on August 15, 2018, 10:15:31 PM »
SGI-5E?  That's a speedometer converter, no?

An Autometer 9117 can do it.   I think it'll read 2x if you connect both power wires, but if you just connect one I'd expect it'd be fine, but that depends on your harness configuration.

Why doesn't your MS2 have tacho output?  It should?
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Build Threads / Re: Spacevomit's FD33 Project: Behind the Candelabra
« Last post by freeskier7791 on August 15, 2018, 09:42:49 PM »
I only steer two ways
Lol, I think Joe means 6 different ackermann settings

Sent from my SM-G920V using Tapatalk

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New Members/Introductions / Re: New guy coming from a Trailblazer SS
« Last post by Speedfab on August 15, 2018, 05:06:06 PM »
TBSSs are great tow vehicles for V8 RX7s.  I strongly recommend keeping it and building an RX7.
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Build Threads / Re: Blake's 1965 Mustang Project
« Last post by digitalsolo on August 15, 2018, 04:47:47 PM »
Well I can drive it.  That's all you asked before.
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New Members/Introductions / Re: New member from Lancaster, PA
« Last post by digitalsolo on August 15, 2018, 11:47:21 AM »
Welcome to the forum!
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Drivetrain / 929 Ring and Pinion in RX8?
« Last post by Pdubz28 on August 15, 2018, 11:07:43 AM »
Hello,
I have been keeping and eye out for an RX7 3.909 ring and pinion set for awhile. After searching a few other forums (who shall not be named) members have mentioned the 3.73 ratio 929 ring and pinion will fit on to the RX8 differential. But, these members have been installing this set up into a NC miata housing.

I wondered if anyone knows if a 929 3.73 ratio has successfully been installed into an RX8 diff housing?
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Build Threads / Re: Esser's LS3 FD RX-7 R1
« Last post by digitalsolo on August 14, 2018, 04:42:24 PM »
That's a snazzy trophy.
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The Lounge / Re: I'm trucking!
« Last post by Cobranut on August 14, 2018, 03:53:52 PM »
Congrats on the new job.

Just don't ever forget that you're controlling a large, heavy vehicle, which can do major damage to you and others if not treated with the proper respect.

I pull my race trailer with a diesel pusher motor coach, which is pretty close to the size of most semi combinations, and I have to re-calibrate my whole attitude when I get behind the wheel of it from a regular automobile.

Good luck, and be safe.  :wave:
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