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I find it really interesting SO MANY of us are now having O/H problems....maybe it's just time for certain age parts to die...
My recent experience with new RD radiator in heat in Moab:
http://www.vehicross.info/showpost.p...6&postcount=16
On trip to Vegas last week for the photo shoot, my temp gauge was all over the place...so frustrating....
- Air temp consistently 95-100.
- Consistently going 65-75mph...so plenty of air flow!
- Temp climbed going up big hills with A/C on.
- Temp went down some with A/C off, but took quite a while to return to normal, even when going DOWNhill.
- Sometimes I had to turn heater on...that was pleasant...
, but it lowered it.
- Fluid was low, added 1/3 gallon 50/50 on return trip. - Seemed to reduce frequency, but not always.
- When slow or not moving, temp went way up. Going super slow around a block in Vegas with those crazy mobs, it skyrocketed and I pulled off into a hotel drive.
- Twice it pegged on the white bar on H.
- Twice pulled off to shut her down for a little while. Helped very little, would start to rise within minutes.
- It clearly acted INCONSISTENT...would rise when just going on flat straight-away at 70-75.
- Made it home OK, talked with mechanic next day.
- Doesn't think it's thermostat since that's most likely to be a CONSISTENT problem...when mechanical thermostat goes, it's gone...wouldn't expect inconsistencies.
- Spun fan with engine cold, seems somewhat restricted, but I'm not sure.
- Decided to replace fan clutch.
- Merlin advised there's been a redesign and you now HAVE to buy the new style fan clutch (~$250....OUCH
) AND a new fan blade (~$100....OUCH again)
- Arrived today, will get installed next week.
- Fingers crossed....
- Even with all this, I have NO regrets getting custom build...it's way cool, and it will give me more opportunity to have A/C on in hot weather (which is uber important to me...it's an MS thang)....we just gotta figger out what's not workin' right!
- Repeat warning Bill gave me: NEVER use any coolant additives such as Purple Ice in this radiator..will eventually erode and leak.
Detailed specs on my Ron Davis radiator-
- Has more cooling capacity than OEM
- No plastic parts, all aluminum
- RD Part number 1-24RO9397
- Can call Bill Williamson at RD and order it with that number. He's SUPER helpful and explains everything in great detail.
- About $600.
Ron Davis Racing Products, Inc.
7334 North 108th Avenue
Glendale, AZ. 85307
Tel- 623-877-5000 Ext.16
Fax- 623-877-5001- http://www.vehicross.info/showpost.p...72&postcount=5
MORE specs on my RD radiator:
Thread on aluminum radiator build:
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