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Old 12-14-2007, 01:11 PM   #1
496stroker1
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need to see some electric fan installs

would like to see some e-fan install on big block trucks to see what ive got in store. i know there will be clearance issues with lwp, bought a mark VIII today so if theres anyone out there with this kinda fan please post pics!
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Old 12-14-2007, 04:08 PM   #2
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Re: need to see some electric fan installs

im also interested.... ttt


thanks guys
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Old 12-14-2007, 04:22 PM   #3
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Re: need to see some electric fan installs

I need to see them too...
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Old 12-14-2007, 04:27 PM   #4
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Re: need to see some electric fan installs

Wow Daja Vue I just posted this in the Blazer side, My new ride has a Flex_Lite fan and no shroud Scares the crap out of me. Thinking of running Electric myself.
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Old 12-14-2007, 04:38 PM   #5
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Re: need to see some electric fan installs

I don't have any pics but I installed one on my truck, but it is only a small block. I tried to use it with the factor schroud but couldn't do it and didn't like the way it looked by itself. I did trim mine about 3/4" so it was less than 5 inches talk at the motor
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Old 12-14-2007, 06:13 PM   #6
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Re: need to see some electric fan installs

ttt gotta be some guys on this forum running mark VIII fan with a big block
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Old 12-14-2007, 06:28 PM   #7
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Re: need to see some electric fan installs

I have a bbc in my truck with a short water pump with a 14" electric fan. I left the fan shroud in for hwy driving, but I am going to take it off. The truck never gets hot, as it has the huge 4 core radiator in it. There is about a 1/4" gap between the water pump shaft and the fan motor. I could have offset the fan, but I like it centered. Sorry, no good pics yet.
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Old 12-14-2007, 09:17 PM   #8
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Re: need to see some electric fan installs

Here is a couple.



http://67-72chevytrucks.com/vboard/s...=electric+fans

http://67-72chevytrucks.com/vboard/s...=electric+fans
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Old 12-15-2007, 01:45 AM   #9
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Re: need to see some electric fan installs

Saw this write up and this is the way I'm going. http://67-72chevytrucks.com/vboard/s...=electric+fans

Already got the fan and relay kit ready for the install.....

I tested this inside the shroud and it moves some serious air.
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Old 12-15-2007, 09:05 AM   #10
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Re: need to see some electric fan installs

ttt
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Old 12-15-2007, 09:46 AM   #11
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Re: need to see some electric fan installs

seen all the ones on the board. i was kinda lookin for mark VIII or taurus setups. im doing a 496 so i need some serious airflow
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Old 12-15-2007, 09:55 AM   #12
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Re: need to see some electric fan installs

Here's mine from Classic Heartbeat.

http://67-72chevytrucks.com/vboard/s...d.php?t=201152
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Old 12-15-2007, 10:26 AM   #13
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Re: need to see some electric fan installs

Do a search on Mark 8, When I was looking I remember there was a memeber that had installed it and he was running a 396 with no problems. I think he had to trim it but that is not a bid deal. I just sold mine last week, it was ready to mount.
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Old 12-15-2007, 11:37 AM   #14
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Re: need to see some electric fan installs

Quote:
Originally Posted by 496stroker1 View Post
seen all the ones on the board. i was kinda lookin for mark VIII or taurus setups. im doing a 496 so i need some serious airflow
I have one installed on a 68 core support w/a 4-row factory radiator that I can get a pic of later tonight after work.

It's not installed on a running/completed truck though. Currently it's just a mock-up (fan/shroud, radiator, core-support bolted together)..... Would that work for you?
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Last edited by SCOTI; 12-15-2007 at 11:37 AM.
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Old 12-15-2007, 11:43 AM   #15
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Re: need to see some electric fan installs

sure SCOTI, are you running a big block? if you are how much clearance do you think you will have?
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Old 12-15-2007, 02:43 PM   #16
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Re: need to see some electric fan installs

Not on this one. But, this one is a test for my other 'RestoRod' that will have a 'big' big-block. This one is sbc that has been moved slightly from the factory position (Dropmember).
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Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive.
It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar.....

Cubic inches is like Indiana Jones with a cheap pistol.
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Old 12-15-2007, 02:54 PM   #17
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Re: need to see some electric fan installs

Quote:
Originally Posted by 496stroker1 View Post
seen all the ones on the board. i was kinda lookin for mark VIII or taurus setups. im doing a 496 so i need some serious airflow
I was told that those Taurus ones pull a lot of amps. Something like 45 amps. Just a thought in case you don't have the right alt or relays.....
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Old 12-15-2007, 02:57 PM   #18
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Re: need to see some electric fan installs

yep i know. going with 100 amp minimum maybe 140. place in calgary has chrome powermasters for 100 bucks for the 100 amp and 140 bucks for the 140 amp.
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Old 12-15-2007, 03:02 PM   #19
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Re: need to see some electric fan installs

scoti you said you moved the engine back a little bit? wonder if theres enough room to move a big block an inch or two back. il probly have the cab off so it should be a big deal just wonder about firewall clearance
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Old 12-15-2007, 05:00 PM   #20
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Re: need to see some electric fan installs

should also ask what is the clearance with a big block with long water pump from pump to rad?
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Old 12-15-2007, 05:48 PM   #21
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Re: need to see some electric fan installs

I have the mk8 fan and a 454 with a 4 core radiator. I had to trim the shroud and mounted it off center so the wp pulley would clear. I'm running a 105A alt and a PWM fan controller. I don't have any pics, maybe I'll come up with some this weekend.
With the BBC in the stock frame location, you'll have about 1/2" between the long wp pulley and your radiator. It was too close for my liking, so I stuck with the short wp setup.
This setup kept me cool all this summer without a/c. I got that working right about when it started cooling off (typical for me). With outside temps in the upper 80's it ran warm with the a/c on but never got too hot.
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Old 12-15-2007, 07:02 PM   #22
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Re: need to see some electric fan installs

im still mulling the idea of a short pump, then i gotta find ALL the brackets for it and pulleys so i wanna stick with the long. definetly have to offset the mounting of the fan cuz it will hit the motor probly for sure. it will be close but i have i pic and if it hit around the area where i outlined i could probly just take out one of the fan supports and have the pulley go inside the shroud a bit as long as it didnt hit the fan. i dunno im just throwin some ideas around
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Old 12-15-2007, 07:15 PM   #23
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Re: need to see some electric fan installs

Quote:
Originally Posted by 496stroker1 View Post
scoti you said you moved the engine back a little bit? wonder if theres enough room to move a big block an inch or two back. il probly have the cab off so it should be a big deal just wonder about firewall clearance
You definitely won't be able to move a BBC back in these trucks. At the factory location, it's already pretty close to the firewall.

My sbc combo (in my Beater 68) will actually be moved forward (toward the grille) & up (crank C/L higher than stock) to clear the aftermarket crossmember & corresponding R&P that I'll be installing. I'm using a similar crossmember in my RetroRod 67 w/the BBC, so it will pretty much do the same thing.

As for pics . . .... I grabbed the camera but the memory card was full. I started scrolling through pics to delete some & actually found some pics I had taken of the set-up. But, when I tried to down-load them, the camera wouldn't do squat & I'm not sure WTF is going on. I'll try again this weekend if Clay doesnt beat me to it.
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Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive.
It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar.....

Cubic inches is like Indiana Jones with a cheap pistol.
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Old 12-15-2007, 07:31 PM   #24
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Re: need to see some electric fan installs

Ok..... I did some digging & found some pics of the 'mock-up' that I already had in an old thread here on the site. The ones in my camera are different because I had the tape measure showing various depths & dimensions.

Here's what I can offer for now . . .....
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Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive.
It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar.....

Cubic inches is like Indiana Jones with a cheap pistol.
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Old 12-16-2007, 05:44 AM   #25
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Re: need to see some electric fan installs

Quote:
Originally Posted by 496stroker1 View Post
im still mulling the idea of a short pump, then i gotta find ALL the brackets for it and pulleys so i wanna stick with the long. definetly have to offset the mounting of the fan cuz it will hit the motor probly for sure. it will be close but i have i pic and if it hit around the area where i outlined i could probly just take out one of the fan supports and have the pulley go inside the shroud a bit as long as it didnt hit the fan. i dunno im just throwin some ideas around

You don't have to center the fan, if you mount it to the driver side edge you should have plenty of clearance.
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