Name is Martin WiedenhoeftFrom Menomonee Falls WI
Have been racing since 2007. Raced Spec Miata, ITA, ITS, SPO (540whp miata), Spec Racer Ford and FE. Have also won 4 championships in Spec Miata, ITA, Spec Racer Ford Gen 3 and in 2020 SCCA P2 in my SR3 Radical. Have track record at NCM Motorsports park in SRF Gen2.
This user account status is Approved

Forum Replies Created

MVP at Road America 10/12

Anyone else able to go to the MVP Track Time event on 10/12? Would be nice to run with another radical for a change. I'll be there with my SR3. I'm also meeting a race team from the area who's c...

In forum U.S. Central

6 years ago
RE: Want SR3 Seat Padding

Nice looking car too! 🙂

In forum Radical Parts For Sale / Wanted

6 years ago
RE: Wanted , roll bar padding .

Here are a few pic's. Keep in mind that mine have been off and back on a couple of times already. Normally they stick on and then zip tie and stay put pretty well. Sometimes people do turn them a l...

In forum Radical Parts For Sale / Wanted

6 years ago
RE: Want SR3 Seat Padding

For what it's worth, a lot of us older racers have spare race seats sitting around. The pads out of sparco etc. seats are fire retardant (somewhat) so should have less issues going through tech. If ...

In forum Radical Parts For Sale / Wanted

6 years ago
RE: Wanted , roll bar padding .

Here's what I use. Smaller than normal padding so less wind resistance yet still SFI approved. It passes SCCA tech, not sure about Radical Series. Attachment : RB Pad1.jpg Attachment : RB ...

In forum Radical Parts For Sale / Wanted

6 years ago
RE: Changing GDU fluid

Good to know, must have missed that. Liking this car more and more. It's certainly the best designed and thought out that I've owned.

In forum SR3 Specific Discussions

6 years ago
Changing GDU fluid

I think I already know the answer to this question, just hoping I'm wrong. We're supposed to change the GPU fluid and engine oil and filter every 6 hours. How do you drain the fluid out of the GDU? ...

In forum SR3 Specific Discussions

6 years ago
RE: Coolant / H2O level

I'll take a picture and post it when I have the back of the car off tomorrow. It's just a small can 8" tall and 4" across. The black cap has a warning in both English and German. It has one large 1...

In forum SR3 Specific Discussions

6 years ago
RE: Normal running temperatures

Charley, As always, I really appreciate the reply with great information. I've been following your recommendations and also had similar thoughts on keeping pressure below 100. Found a little short s...

In forum SR3 Specific Discussions

6 years ago
Normal running temperatures

New owner, can anyone tell me what I should see before pushing the car on track? Originally I was told 90-110 oil and 70-90 on water. REALLY difficult to get that oil temp in 65 degree ambient in a ...

In forum SR3 Specific Discussions

6 years ago
Coolant / H2O level

New owner and need to know how full to fill the swirl pot / overflow. Should it be 1" from top or ? I've looked through the owners manual, mechanics manual and there doesn't seem to be anything to in...

In forum SR3 Specific Discussions

6 years ago
RE: WTB - SR3 Race exhaust

Just might do that as you're the second person that suggested it. Anyone have info on what the standard exhaust and the race exhaust blow for DB's?

In forum Radical Parts For Sale / Wanted

6 years ago
WTB - SR3 Race exhaust

My 2014 SR3 came with the quiet muffler, looking for the louder race exhaust. Maybe someone that moved to the quiet muffler wants to sell their old one?

In forum Radical Parts For Sale / Wanted

6 years ago
RE: 2 easy questions from a new owner

Thanks Charley!

In forum Suspension setup and Handling discussion

7 years ago
2 easy questions from a new owner

Just received my car and I'm trying to figure two things out. 1. How do I lift it so I can do maintenance and alignments? I've found the rear jacking point that sticks through the diffuser so the re...

In forum Suspension setup and Handling discussion

7 years ago
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