Fan Mod Delete

Author Topic: Fan Mod Delete  (Read 12583 times)

tjts1

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« Reply #30 on: December 14, 2007, 10:48:14 AM »
Quote from: JiXer;39424
7-10 HP???

Shananigans!

I've done it. Won't do it again.

Wast of time and money.

Save your cash to put toward a chip and a flywheel.

J.

Deep Thoughts, with Stuart Smalley.
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http://www.m42club.com/forums/showthread.php?t=2742
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tjts1

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« Reply #31 on: December 14, 2007, 11:23:55 AM »
Quote from: dude8383;38176
You know, I might be having the same issue.

Did you ever resolve this?


No thats incorrect, its just a switch. Do you have the PN of the switch you are using?
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gearheadE30

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« Reply #32 on: December 14, 2007, 04:16:30 PM »
Quote
7-10 HP???

Shananigans!

I've done it. Won't do it again.

Wast of time and money.

Save your cash to put toward a chip and a flywheel.


How much did you spend? So far mine has cost $40 and I have everything I need, just havn't gotten it in the car yet. If the fan clutch is indeed shot, this seems like a good deal to me.

1991 318is Turbo
1989 Caprice Classic Wagon named Humphrey
1979 Suzuki GS750E

sand_m4n

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« Reply #33 on: December 14, 2007, 05:37:20 PM »
So whats the verdict are the numbers real or not? If so i would really like to do this on my car. :)

D. Clay

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« Reply #34 on: December 14, 2007, 07:35:18 PM »
Without the fan and clutch there is a definite increase in power. With the electric fan(s) on there is an increased electrical load but no more than the alternator has normally. The only question is how much is the power gain. Less than 5 HP is hard to feel when driving. If you could tell the difference it would immediately become "normal". I remember a big debate in circle track racing  about the "Ram Clutch". It went into a mechanical lock up once underway - no clurch slippage. One of the doubters said, "yeah, how much is that good for - a hundreth of a second? The answer was, "Hey, ten of those is a tenth!"
Any body got nine more?

tjts1

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« Reply #35 on: December 14, 2007, 08:00:38 PM »
In the winter I disconnect the power to my AC clutch so I can activate low speed on the volvo fan using the AC button whenever I want to. At constant 65mph, the MPG gauge drops by 3mpg (my estimate) with the fan switched on. Mpg just right back up when I switch it off.
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kevo__

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« Reply #36 on: January 19, 2008, 10:23:35 AM »
mine cost me £30 in total to do and it is a worthwhile mod imo as you get more space up front and theoretically more power, although i didn't feel any difference. i also have a switch on the dash to knock it on and off as well as the thermoswitch.

gearheadE30

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« Reply #37 on: January 19, 2008, 10:39:36 AM »
I got mine in a few weeks ago, and it made a huge difference in making the car quieter. The old clutch was completely shot. When the fan comes on, the alternator load eliminates some of the difference, but it is still more responsive than before. The fan really doesn't come on that often, and it has never had to go to high speed.

1991 318is Turbo
1989 Caprice Classic Wagon named Humphrey
1979 Suzuki GS750E

ecorrea21

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« Reply #38 on: January 19, 2008, 12:03:31 PM »
schematic of wiring to thermoswitch?

D. Clay

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« Reply #39 on: January 19, 2008, 11:07:17 PM »
Quote from: ecorrea21;41418
schematic of wiring to thermoswitch?
I ran two new fused power leads from the junction block on the firewall (above where the battery would be on other models) to two relays. I used the low speed wire to the A/C fan resistor to activate the relays. One relay powers the high speed side of the A/C fan and the other one activates a new puller fan mounted to the engine side of the radiator. The connection to activate the relays was made after the A/C and low temp radiator wires come together as a black wire just above #17 which is the resistor on the A/C fan motor. This way both fans come on with the A/C and/or the low temp radiator switch. It's overkill but you need to move a lot of air for A/C efficiency in Texas. It blows colder than a witch's tit!

DZick

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« Reply #40 on: January 31, 2008, 08:43:55 PM »
This is the best picture i have of mine....

 
I have it hard wired to a switch in the car so i can leave it on at the track w/o my car on

gearheadE30

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« Reply #41 on: February 01, 2008, 05:39:20 PM »
Yours is a lot lower-profile than mine. Eventually I might just use a piece of sheet metal with a cutout the size of the fan.

1991 318is Turbo
1989 Caprice Classic Wagon named Humphrey
1979 Suzuki GS750E