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There is really no hype or snake oil with aluminum radiators. Every modern car or truck runs an aluminum radiator; from a Kia Sorento to a RAM 5500. I noticed on the OE radiator I pulled out of my W200 last weekend (50K original replaced with aluminum), that the structure surrounding the...

To cure vapor lock, make sure you have a vapor return line. This is the fuel filter you would want to run, post-fuel pump: WIX 33040 Also, a heat shield is mandatory: Order Products It would also help to insulate the fuel line, leading up the the carburetor from the fuel pump. You can tap...

Fuel wasn't absolute trash, and neither was the traffic horrendous. Fuel percolation is very real with E10 blends, and there is a reason very few if any carbureted vehicles are on the highway anymore, because owners don't understand how to make them reliable. There is also this idea that cars...

It's a big case of amperage. I can tell you, most 'effective' fans are going to draw somewhere in the neighborhood of 30 - 40 amps continuous and up to 65-amps starting. Sort of a 'red flag' when you don't see detailed specs shown on a product page. I'd look into an OEM fan, something like...

:usflag: Made in USA is always a good sign!

Thermostats are inexpensive, swap it out with your known good working thermostat. All the thermostat regulates is the minimum operating temperature.

Good information posted here, if you're running a clutch fan, verify it's actually adjusted. Some adjust via spring and others with a plunger system. Let us know what you have? (Spring on front of clutch or flat plate). Remember, the temperature that it begins to lock-up has nothing to do...

Another great article, for those that may have a 'flat plate & plunger' style of clutch fan; http://midamericachevelles.com/tech/fan_clutch_adjust.pdf It's a pretty overwhelming article, in the case of GM cars, the factory reproductions from GM (with a plate, no external adjustment) were being...

Factory cars were optimized for just that, factory conditions and low-traffic scenarios. Can't even purchase a fan-clutch OEM anymore, believing it is adjusted correctly (or as it left the factory in '1970'). This is a great overview explaining how to adjust this style of fan clutch. For...

That’s why it’s normally recommended to drill a 1/8” hole for additional flow on newer thermostats. Fan clutches must be adjusted as well, most modern clutches are set to start engaging at 190* (or higher). Meaning, you’re going to have minimal lockup prior to that temperature (causing...

Great, the problem most of us had is the thermal clutches (that fit our cars) aren’t necessarily designed to fully engage under 195* F. When in reality, we would want it to fully engage around 180* F (or less) to keep engine operating temperatures down at idle (keep it as close to the...

I know, it prompted me to immediately remove the mechanical fan and re-install the Jaguar clutch fan with a shroud. 5% (+/-) power loss on a 600-hp engine. Well, it could be much more, just re-watched the episode, they shut it down at 5,000-5,200 RPM. Here is an article on how to change the...

Might want to check out the fan testing episode of engine masters on YouTube, they shown over a 30-horsepower loss running a mechanical fan on the dyno.

Clutch fan or mechanical?

Already went with the smaller Denso unit upgrade (AR Engineering). I just would prefer to not rely on the electric at all, this setup should easily cool this car if the fan would actually engage (lock-up) at the proper temperature. Next step is building an air pan to seal the breather to the...

Good to see your temps are stable, it was 85* the other day when I took my car out. I believe it only got into the 180-182* engine temperature range. Just installed a fan shroud on mine, had to be pretty heavily modified. Still running a pusher fan, would be nice to not worry about the...

If it's not one thing it's always something else right? Frustrating to see you called the tech line and they were incorrect on your specific issue :rolleyes:

Wish I would have given my input, a simple pusher fan would have worked great here with your clutch fan setup and you could have retained your power steering. My previous RB motor cooled great with an 18" mechanical fan (no clutch / no shroud), of course, it quickly was removed after I watched...

Not many members here understand how critical IAT's are to a forced induction engine, but expecting a pusher fan to cool your 8-71 Blown BBM on the street is.. Madness.. :realcrazy: Questions; AFR @ idle? Timing? How are you controlling timing? Cam specs? Compression? This may also be time to...

Jaguar fan clutch solves this clearance problem. I have a large aluminum radiator and ran into similar issues with clearance, but I also purchased a universal clutch fan and the car runs cooler than with the previous HD mechanical fan.