John Parsons
John Parsons
@parsonsj
Prominent Member
Joined: October 3, 2018 12:53 pm
Last seen: June 8, 2025 2:58 pm
Topics: 47 / Replies: 610
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RE: Odyssey Battery alternative

@crimonto No problem at all. Its reserve capacity is smaller than the Odyssey 950 it replaced, but it can still crank the engine for 20-30 seconds to ...

4 months ago
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RE: Odyssey Battery alternative

I don't think so. SR8s are notorious for alternator wear (secondary vibration from the flat plane crankshaft seems to be the consensus for why that is...

4 months ago
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RE: Odyssey Battery alternative

Hi Chris -- my battery continues to hang in there. I have gone through a couple of alternators this past spring, but the battery is still working grea...

4 months ago
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RE: Race Ramp source for Radicals

@coochas Dave, I crank up the trailer to reduce the angle like you mentioned, except that I leave it attached to my truck when I do it. That does help...

10 months ago
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Replies: 0
Views: 339
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RE: SR8 Cooling System

@niknam Hi Niknam, no I don't know the part number. It's a full-on racing part that isn't sourced from a road car. I'd give the guys at RLM a call if ...

11 months ago
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RE: Pneumatic Throttle Blip

@nickallitt I don't understand the purpose behind the clutch pedal, but the ECU knows to blip the throttle based on a downshift request (left paddle)....

1 year ago
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RE: Alternative Fender Vents Rubber Bullet proof

Yes--something inexpensive and replaceable, perhaps incorporated into an annual maintenance program.

1 year ago
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RE: Steering Wheel Cable

@jeff-alton Wire-free steering wheel, custom buttons – General Discussion – Radical Sportscar Registry Forum

1 year ago
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RE: Odyssey Battery alternative

@crimonto I hear you about fire, but this little 1.5kg battery is hardly an EV. Plus it's Lithium phosphate based, and rated for motorsports, which gr...

1 year ago
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RE: Odyssey Battery alternative

@crimonto. I've been using a Lithium battery from BatteriesPlus (they have locations everywhere!). I bought two and keep one as a spare. 3 year warran...

1 year ago
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RE: Alternative Fender Vents Rubber Bullet proof

@crimonto Very nice. Mine are a mess! Now we need something for the front edge of the sidepods. I've repaired mine a couple of times already.

1 year ago
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RE: Radical RXC Power Upgrade

@rcx_de Chris, I'd check with the folks at RLM Racing. They are in the UK and might be able to help.

1 year ago
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RE: Steering Wheel Cable

It's been a few years now, but I converted my SR8 to an internal pin connection, i.e., the connections are internal to the steering shaft. It's been f...

1 year ago
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RE: Radical Racing Simulator Options?

I was at VIR 3 weeks ago for Kaizen's racing school. There were several drivers there who had only seen VIR via simulator. I heard one of them say to ...

1 year ago
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