Marietta, GA
Ralt RT-4 with Hayabusa and Quaife QBA3R (like an SR-3)
This user account status is Approved

Forum Replies Created

RE: Wanted: Higher GDU gear set (for lower speed events)

Bump. Still interested in buying a gear set for low speed events (like autocross, hill climbs). Best contact is via email, please - russmcb@bellsouth.net Thanks.

In forum Radical Parts For Sale / Wanted

3 years ago
Wanted: Higher GDU gear set (for lower speed events)

I've decided to do lower speed events, so I'm looking for a set with a gear ratio higher than what I have now, which is 3.071:1 (35/43). So, I could use (in order of preference): 3.594:1 (32/46)* 3.40...

In forum Radical Parts For Sale / Wanted

4 years ago
RE: Request for Clutch Slave Cyl pictures, info

Posted by: @charleyhradicalsportscarregistry-com Russ(@russmcb), Here is a picture of the clutch slave cylinder on an SR3. Hope this helps, Charley by: @graemed paragraph 11 Fantastic. Than...

In forum SR3 Specific Discussions

6 years ago
RE: Request for Clutch Slave Cyl pictures, info

@graemed, thank you. Saw your pictures. Very informative. I had to do something similar (extra spacing) when I had a chain drive Quaife. However, with the new SR3 GDU, I've lost a lot of room in t...

In forum SR3 Specific Discussions

6 years ago
Request for Clutch Slave Cyl pictures, info

I am installing an SR3 GDU in my formula car/Hayabusa. It is taking up more room near the sprocket area, so I'm not able to use my current slave cylinder. I'd like to see what the SR3's slave cylinder...

In forum SR3 Specific Discussions

6 years ago
RE: GDU - Filling / Checking / etc

My hunch is you'd need to buy the pump from Radical. It will likely have the inlets and outlets. You'll also need to replace two of the GDU's plugs with fittings, so you can get oil out of the bottom...

In forum General Discussion

6 years ago
RE: GDU 3.594:1 Gear Set - SOLD, 12/16/2019

Posted by: @charleyhradicalsportscarregistry-com Posted by: @russmcb Sold! Thank you, RSR. I a, glad to hear that the deal went through. That worked out perfectly for Jeff’s application, so it i...

In forum Radical Parts For Sale / Wanted

6 years ago
RE: GDU 3.594:1 Gear Set

Sold! Thank you, RSR.

In forum Radical Parts For Sale / Wanted

6 years ago
RE: GDU 3.594:1 Gear Set

If you decide to do more autocrossing, it should be fairly easy to add an electric fan, mounted on the radiator (heat exchanger). I haven't researched that for your particular application, but general...

In forum Radical Parts For Sale / Wanted

6 years ago
RE: GDU 3.594:1 Gear Set

@crit Make me an offer. You could put these in your car in maybe 30-45 minutes and tear up the course! 🙂

In forum Radical Parts For Sale / Wanted

6 years ago
GDU 3.594:1 Gear Set - SOLD, 12/16/2019

Sold 12/16/2019 I think these are new. They came with box of Quaife parts I purchased last year. I can't see any evidence of use. I read here elsewhere a new set is $600+. I'll sell for much less....

In forum Radical Parts For Sale / Wanted

6 years ago
RE: Wanted GDU Gears 3;07

Yes, thanks, Charley. Very helpful. My spare set (which appears to be new, unused, and I would be happy to sell), is the lowest set - 3.594:1 So, probably not what Manny is looking for. I guess tho...

In forum Radical Parts For Sale / Wanted

6 years ago
RE: Wanted GDU Gears 3;07

Manny, there is a slight chance I have them. I got a box of Quaife parts last year. I haven't gotten around to seeing exactly what I have yet. Is there a schematic somewhere on the internet that sho...

In forum Radical Parts For Sale / Wanted

6 years ago
RE: SR3 differential in a Ralt Formula Super

Posted by: @charleyhradicalsportscarregistry-com @russmcb Could it be an issue with the pump drive not going all of the way into the slot?? Charley No, because even my non-pump plate (just the plain...

In forum SR3 Specific Discussions

6 years ago
RE: SR3 differential in a Ralt Formula Super

I'm near Atlanta, GA. Primal Racing (Radical dealer) is at Atlanta Motorsports Park, about an hour north. I've contacted them and may visit them this week. Your picture helped me get past one of my ...

In forum SR3 Specific Discussions

6 years ago
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