The 1947 - Present Chevrolet & GMC Truck Message Board Network







Register or Log In To remove these advertisements.

Go Back   The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 04-23-2003, 10:15 PM   #26
Jackal2k9
Registered User
 
Jackal2k9's Avatar
 
Join Date: Apr 2002
Location: Katy, Texas
Posts: 171
thanks pickmup. I havnt nstalled photoshop on this pc yet... it's kinda slow so i dont want to. heheh ty agian.
Jackal2k9 is offline   Reply With Quote
Old 04-23-2003, 11:39 PM   #27
oldsub86
Registered User
 
Join Date: Dec 2002
Location: Canada
Posts: 695
Have a look at this site.
http://www.classictruckshop.com/club...oling/fans.htm
__________________
1968 Chevy - 292 with a powerglide
oldsub86 is offline   Reply With Quote
Old 04-23-2003, 11:47 PM   #28
Jackal2k9
Registered User
 
Jackal2k9's Avatar
 
Join Date: Apr 2002
Location: Katy, Texas
Posts: 171
i like the wireing setup on that one a lot. well thought out. These fans draw so few amps though that i can just leave them running all the time. It hasnt overheated so far. It's been through some HOT summers too. But there would be a power increase if they were only on then the temp was up. I think im gonna get me a temp switch.
Jackal2k9 is offline   Reply With Quote
Old 04-24-2003, 01:31 AM   #29
O'l Buck
Recovering Truck Driver
 
O'l Buck's Avatar
 
Join Date: Mar 2002
Location: Orleans, NE USA
Posts: 1,883
I put the fan and radiator in my 4x4 from a 91 Lumina APV. I haven't got a relay for it yet, just a 10A toggle switch and keep an eye on the temp gauge.
__________________
67 K-20 350, SM465, Eaton rear, 4.56 no spin option
00 Dodge 2500 4x4, 24V cummins, 5 speed

Chad
South Central Nebraska
O'l Buck is offline   Reply With Quote
Old 04-24-2003, 08:08 AM   #30
Jwill41
Registered User
 
Jwill41's Avatar
 
Join Date: Aug 2002
Location: Farmers Branch, Tx
Posts: 1,009
I read the other day that the temp sensor should be in radiator instead of the block. The fan should come on when the hot water is sent to the radiator. The thermostat lets the cooled water from the radiator back into the block. Kinda makes sense to me.
__________________
http://www.picturetrail.com/jwill41

67 1/2 ton GMC short step side
68 1/2 ton Chevy long fleet side
72 1/2 ton Chevy Suburban
99 1/2 ton Chevy Suburban

founder (and only member) of the primer/clearcoat club
Jwill41 is offline   Reply With Quote
Old 04-24-2003, 10:56 AM   #31
6869704X4
Registered User
 
Join Date: Jul 2002
Location: SE NM
Posts: 769
re: the link above.
Seems like I bought a thermostat at Advance for about what he paid for a water heater stat. Comes with everything, including directions. I'm using a GM relay that I cut out of a olds, I think it might have been the AC relay. Nice weatherproof plug on it(these work great for the headlights too).
__________________
The more I learn about women, the more I love my truck.
6869704X4 is offline   Reply With Quote
Old 04-24-2003, 12:23 PM   #32
MITCH1914
Registered User
 
MITCH1914's Avatar
 
Join Date: Mar 2001
Location: indianapolis,indiana,usa
Posts: 506
thanks for the feedback. gonna vist some junk yards.
MITCH1914 is offline   Reply With Quote
Old 04-28-2003, 04:41 PM   #33
dubie
Registered User
 
dubie's Avatar
 
Join Date: May 2000
Location: Flin Flon, Manitoba, Canada
Posts: 8,853
this is a great upgrade topic that I thought should be brought back up to the top
__________________
My name's Tim and I'm a truckaholic

My 56 Chevy shop truck build
http://67-72chevytrucks.com/vboard/s...d.php?t=562795
dubie is offline   Reply With Quote
Old 04-29-2003, 06:54 PM   #34
Jwill41
Registered User
 
Jwill41's Avatar
 
Join Date: Aug 2002
Location: Farmers Branch, Tx
Posts: 1,009
cheaper than "Painless"

I found this today at Pep Boys. It has everything you need. Fuse, relay, temp probe, hardware and wire harness for 30 bucks. That is much cheaper than "Painless" and has the radiator temp probe instead of the block sending unit.

__________________
http://www.picturetrail.com/jwill41

67 1/2 ton GMC short step side
68 1/2 ton Chevy long fleet side
72 1/2 ton Chevy Suburban
99 1/2 ton Chevy Suburban

founder (and only member) of the primer/clearcoat club
Jwill41 is offline   Reply With Quote
Old 04-29-2003, 07:08 PM   #35
Low69CST
Registered User
 
Join Date: May 2000
Location: Frankfort, Kentucky, USA
Posts: 2,163
I think the fans need to come on when the heads on the motor get to a certain temp. Common knowledge that engine (head area) needs to be about 200 to make good power and under 240 to keep from doing damage, so the fans should come on when the engine itself gets above that tempature and give extra cooling to the water which inturns cools the motor. my truck cycles perfect, fans kick on when the motor gets up to 205 and cuts off when it cools back down to 185 (think)
__________________
'69 CST Short fleetside
Lowered, 400 small block, 700R4, 4 wheel disc brakes, front sway bar & rear camaro sway bar (in progress)
'87 V10 4x4 Short Fleetside
Quad Suspension and Dual Tanks
Low69CST is offline   Reply With Quote
Old 04-29-2003, 07:30 PM   #36
Jwill41
Registered User
 
Jwill41's Avatar
 
Join Date: Aug 2002
Location: Farmers Branch, Tx
Posts: 1,009
This is going to start something I think. LOL.

The fans do not cool the block. They cool the water that has left the block because it got too hot and the thermostat returned it to the radiator. I agree the head temp should be as you say but the thermostat in the block takes care of that. The type in the pic also comes in an adjustable model.
__________________
http://www.picturetrail.com/jwill41

67 1/2 ton GMC short step side
68 1/2 ton Chevy long fleet side
72 1/2 ton Chevy Suburban
99 1/2 ton Chevy Suburban

founder (and only member) of the primer/clearcoat club
Jwill41 is offline   Reply With Quote
Old 05-02-2003, 02:57 AM   #37
ZOOMY
Senior Member
 
Join Date: Feb 2003
Location: WIS
Posts: 1,752
ttt

Any more ideas ?????............Zoomy
ZOOMY is offline   Reply With Quote
Old 05-02-2003, 01:45 PM   #38
biglou55
Senior Member
 
Join Date: Sep 2002
Location: Greenfield Mass.
Posts: 551
Jackal2k9 I would like the wiring diagram and parts list too. If you would be so kind THANK,S biglou email -hale@gcc.mass.edu
__________________
Certifiably crazy person
biglou55 is offline   Reply With Quote
Old 05-02-2003, 02:16 PM   #39
dubie
Registered User
 
dubie's Avatar
 
Join Date: May 2000
Location: Flin Flon, Manitoba, Canada
Posts: 8,853
wiring diagram is posted here
http://67-72chevytrucks.com/vboard/s...threadid=50085
__________________
My name's Tim and I'm a truckaholic

My 56 Chevy shop truck build
http://67-72chevytrucks.com/vboard/s...d.php?t=562795
dubie is offline   Reply With Quote
Reply

Bookmarks


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 02:35 AM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright 1997-2022 67-72chevytrucks.com