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: Engine rebuilt time or not?

BTW, the 30 hour load time that I repeated is not the guidance that Radical recommends, so I do not support it myself. 40-45 hours run time is my rul...

4 years ago
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RE: Replacing skin panels on chassis

@rojid OK, so the standard open-end blind rivet with a dome head are what you should use. I don't know for sure the exact size but my guess is 4mm...

4 years ago
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RE: Replacing skin panels on chassis

What panel and where? Peel rivets should be used for soft materials like fiberglass or carbon fiber where you are unable to use a backing washer; for...

4 years ago
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RE: Lambda Sensor Cable Routing

Rod, I don't have an answer but I noticed recently that one of the sensor cables which is close to the exhaust is shrouded with a loose heat shield tu...

4 years ago
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RE: Engine rebuilt time or not?

Dan I plan to send my 45 hours run time/27 hours load time engine to Spring Mountain today. I consulted two Radical techs who have maintained ma...

4 years ago
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RE: New 1500cc Hayabusa engine starts briefly then dies

@darrahc Nothing to update on progress and problem still persists. I have had to take a break from diagnosis because of my busy race schedule, how...

4 years ago
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RE: Video on how to change Gear Ratio sets in the SR3 Gear Drive Unit (GDU)

This is what it looks like. I use a 1/2 inch drive by 5 inch length wobble extension and a 1/2 to 3/4 adapter. The adapter touches the frame and has ...

4 years ago
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RE: Video on how to change Gear Ratio sets in the SR3 Gear Drive Unit (GDU)

The nut thickness is 8mm, 6.6mm not including the flange thickness. I have a few extra of these if someone needs one. $75 plus shipping.

4 years ago
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RE: Is there a Coolant change DIY available?

I use distilled water and 1/2 bottle of water wetter. Anti-freeze if there is a chance of freezing temperatures. Don't start the car, but turn on po...

4 years ago
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RE: Video on how to change Gear Ratio sets in the SR3 Gear Drive Unit (GDU)

Nice. I use a Snap-on bent 8mm/10mm wrench for brakes and clutch bleeders. It is tight but it gets the job done.

4 years ago
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RE: inspection/should do

@rjbender Nice drawing! I have a wood block that is 46mm thick which I use this to measure height from ground in the places you noted. I measure ...

4 years ago
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RE: inspection/should do

This picture shows the bottom of my diffuser. Clearly this is not an ideal design to expose fasteners and fiberglass to frequent contact with the gro...

4 years ago
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RE: inspection/should do

I have the same experience that the grease looks fine after 10 hours. I was going to stretch it to 40 hours, however techs have suggested more freque...

4 years ago
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RE: Video on how to change Gear Ratio sets in the SR3 Gear Drive Unit (GDU)

@rjbender Hi Rod. Unfortunately I cannot give you exact measurements at the moment. In the photo of the two 42mm sockets above, mine is on the le...

4 years ago
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