[R 70 Judge]

I have the Derale 16826 fan/shroud kit (dual 12” fans 4000cfm total) on my TA. Cold case radiator and a mezeire HD waterpump. I’m very happy with the setup. 14:1 on pump E85. The fans aren’t overly loud (to me anyway) and it will hold at 170*-180* max in 90+* weather on the street.

Seems to have gone up in price a bit Check out this page from Summit Racing https://www.summitracing.com/parts/d...iaaegj-npd_bwe

[HWYSTR455]

Originally Posted by R 70 Judge

I have the Derale 16826 fan/shroud kit (dual 12” fans 4000cfm total) on my TA. Cold case radiator and a mezeire HD waterpump. I’m very happy with the setup. 14:1 on pump E85. The fans aren’t overly loud (to me anyway) and it will hold at 170*-180* max in 90+* weather on the street.

Seems to have gone up in price a bit Check out this page from Summit Racing https://www.summitracing.com/parts/d...iaaegj-npd_bwe

Yeah I went with the slightly larger shroud on my bird, the 18927, and run the 16837 on the GTO. Same fans in all 3 of those. I have the 16837 in the 442 as well.

Like I mentioned, the 535 is borderline, and am thinking if stepping up to the FMG 14" shroud and Proform fans.

Mike - Some reason I thought the bat wings would help cover the headers some, guess I should have looked harder! So the bat wings are more for stability/strength? Glad to see you on here!

Protecting the headers would have been a bonus, since right now, for me, headers are disposable items! Heheh!


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[Fastmonty]

Originally Posted by HWYSTR455

Protecting the headers would have been a bonus, since right now, for me, headers are disposable items! Heheh!


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I feel the same! My headers are border line trash as it is... way more important to protect the oil pans, as we'd have to fully remove the engine to fix that debacle, let alone rebuild it.

See ya!

[HWYSTR455]

Originally Posted by Fastmonty

I feel the same! My headers are border line trash as it is... way more important to protect the oil pans, as we'd have to fully remove the engine to fix that debacle, let alone rebuild it.

See ya!

At roughly $1350 for a set of Doug's these days, every scrape is a total cringe! Heheh!

https://www.summitracing.com/parts/dou-d522?seid=srese1

I'm dropping back to the 1 7/8 ones, they fit better and tuck up better too.

So, just to comment, when you go to dual fans that are like 28a each to a 60a spike, you need a better alt, and you can only do like 140 MAYBE 160a alts on V belts. So it's serp and beefy alts. Soft starts are really the only way to go, and even so, you could probably draw 80a at idle. Or more.

Take that into account when you start doing to e-fans. This is the one thing where people fail and throw in the towel on with e-fans.


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[cmoc-bob]

Monty - great YT channel, watch it all the time.

If you have time, any thoughts on using a late model (say 2500 or 3500 Chevy HD truck) fan blade assembly on a Hayden clutch fan ?

I would guess they'd pull plenty of air.

I saw you measured airflow when you tested the electric fans.

Slicker "test" would be the matching ECM controlled clutch fan.

But, more curious on airflow...........

Keep up the good work - we appreciate it.

Bob