DavidF
DavidF
@davidf
Honorable Member
Joined: September 26, 2020 10:31 am
Last seen: September 21, 2025 4:33 pm
Topics: 13 / Replies: 384
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RE: F1 Style Halo / Center protection

@bird I think we are on the same topic. The uprights begin to overheat when the bearings start to go bad. In the steel uprights I am pretty sure ...

2 years ago
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RE: Adding preload to shocks

@parsonsj Hi John. It was a really fun week. Turn 7 is good because you want to drive deep into that brake zone, and if you overshoot there is...

2 years ago
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RE: F1 Style Halo / Center protection

@bird I don’t recall the exact explanation, but I asked Jonathan from Group A racing the same question. He believes it is better to stay with the ...

2 years ago
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RE: F1 Style Halo / Center protection

Pardon me for jumping in … No, a self modification of the chassis for halo on an SR3 RSX is not permitted for Radical Cup racing. The provision...

2 years ago
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RE: Adding preload to shocks

So definitely move bias forward. Turn 7 and 10 are full threshold braking, high pressure but 10 a little softer pressure than 7. I am braking at the...

2 years ago
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RE: Adding preload to shocks

@parsonsj At Sebring I checked my bias after a dry race; I was at 63%. In another race which began with a very light rain that resulted in a l...

2 years ago
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RE: TPMS sensors

The type that Aim sells is a poor design and prone to air leaks in my experience. I have used this type on the track, truck, ...

2 years ago
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RE: Adding preload to shocks

I did a ride height reset and complete setup yesterday. Mine was off by 166/196 pounds in the front/rear corners. I split the adjustment evenly betw...

2 years ago
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RE: Spare bolt / fasteners / parts

@fsts2k I am glad that I could help. McMaster has a lot of the rivets for the car. Here is one that I found from a past order: High-Strengt...

2 years ago
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RE: Spare bolt / fasteners / parts

@fsts2k I checked some past Belmetric orders. I think, but unsure, that 16mm length M6 screws are most common, followed by 12mm M6. I also th...

2 years ago
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RE: Adding preload to shocks

@parsonsj Hi John. I have to look at my data for the percentage, but 60% sounds familiar. Sitting in the car, you can set your initial bias, but ...

2 years ago
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RE: Spare bolt / fasteners / parts

I looked at some of my Belmetric orders, and I used grade 12.9 for M5 and M6 bolts. 10.9 for M8. Honestly, I don't really know what is required but ...

2 years ago
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RE: Spare bolt / fasteners / parts

The suspension bushing bolts and nuts are 3/8-24 size. I bought 40 of the nylon insert locknuts from McMaster, grade 8. part number 90630A155.

2 years ago
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RE: Spare bolt / fasteners / parts

@fsts2k Hi Kevin. What model and year Radical did you purchase? I am familiar with SR3 only. The fasteners you need depends on how much ...

2 years ago
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RE: Adding preload to shocks

Yes, for a typical turn in, I stand on the brakes initially, and then I am coming off of the brakes as the brake zone ends, still holding some amount ...

2 years ago
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