E-fans for OBS
Hi guys ,
Clearly I under-estimated the group interest in getting rid of our (OBS) inefficient and noisy OEM belt-driven clutch fan cooling ... rather than hijack Clean95's thread I will post an easy to follow "how to" along with pictures if members with questions need some...
Any local Pick & Pay junkyard has vehicles with the Efans We can use ! Let me know - I can pull you one :) Mounting the fan is easy as the factory shroud fits the fan - I'll try to get som pics in the daylight to post
Last time I went through my air intake to clean MAF , TB , EGR , ect , It resulted in a high idle which was easily fixed by a comp reset . Left the battery disconnected for about 5 min ... normal idle at next startup .
The Ford efan is wired in where the "FAN MOTOR" is shown in the diagram - You need two bosch relays to split the load and a temp probe thermister to activate/deactivate the fan (where it says TEMP SWITCH) which is mounted to the radiator core . You can control the amount of run time the fan is...
From what I've seen , a utility box is mounted there or an aux battery tray . There are mounting points provided for either one already there . I pulled the box from mine and snagged an AUX batt tray from a Tahoe at a pick and pay yard . The tray went right in - direct swap .
Bilstien shocks...
Exactly - I had to go back and check my notes but the Taurus has a smaller fan with less CFM . It did not fit the fan shroud at all in the Tahoe . The Lincoln Mark VIII LSC is what my current fan was pulled from and was meant to cool a performance V8 . It is also just about a perfect fit in the...
another excellent fan is the Lincoln Mark VIII fan - this is what I actually used , not a Taurus fan . Sorry for the mixup , I did the Efan thing several times ...
Efan cont'd
... with the stock belt driven clutch fan , the fan was always "on" here in S. Florida heat. Lots of fan noise all the time too. My A/C never got below 45 .
With the Efan setup , the only time the fan runs is stopped at traffic lights or if left idleing for awhile - ofcourse the...
eFan
Here is the wiring diagram I used - works extremely well
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What do you think ?
E-fans
I have a '96 2 door 4wd Tahoe LT ... I got rid of the belt driven clutch fan back when gas prices went crazy . GM was very slow to adopt efan technology. FORD was way ahead using efans on their Taurus SHO , Crown Vics , ect . Back then , the hot ticket was to go to a 'J yard and find a...
front ifs re-gear
@ Thanks clean95 , for suggesting snagging the front IFS along with the rear axle ...
and I would have too , but the vehicle was parted out - it was already a stripped - clean '95 4 door Tahoe ! LOL
@ Bad bow tie , I couldn't agree with You more - the OEM 3.42 gearset...
dynomax ultraflos here
I run a set of the dynomax utraflo in polished stainless steel on custom true dual pipes in my '96 2 door ... 4" slash-cut stainless tips out the back . I'm very happy with them - no annoying drone for me!
rear end swap completed ...
After *much* searching for a suitable axle which wasn't accompanied with crazy high prices , as much as $600.00 ! I ended up using a 10 bolt already pulled from a '95 4 door . It had a sway bar (removed that for my 2 door) and was complete "drum to drum" for...
Bellhousing bolt patterns for GM small block and BB are same . 4L80 Has higher spline count . You can use the transfer case behind a 4L60 - just need to upgrade in/out shaft to match 4L80 ... only difference in tcases.
4L60e interchange
... the bellhousing bolt patterns will be the same , your green main electrical plug connection on the passenger side may or may not - most likely be ok there too . You will need to know if your buddys torque converter uses the same TCC management as your's , or if the spline...
4L60e
When the forward sprag let go on me the trans would not auto upshift any more . I had to drop it into first manually and shift into second , then I could put it in drive. t worked and upshifted to 3rd and OD until the next time I stopped... again drop into 1st , shift 2nd ect. I pulled it...
rear end swap
What did You find out on your swap-out ? I'm about to find out today what exactly is involved as I could only find a four door 4x4 replacement rear to put in my 2 door .
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my 2 door tahoe is a...
Did not realize there is a performance AND fuel penalty in the switch to 14bolt - Methinks 10bolt is the way to go here . Anyone know how much less the GT-4 MPG is VS the GU-6 ?
Thanks for the welcome ! I've never registered until now , because the rear axel is seemingly hard to find ... not sure which would fit from what truck - the one I pulled was from a 2 wheel drive - I have 4x4 . Thought about rebuilding too , but I already paid cash to a local bone yard for a...
Is that a direct-bolton swap ? If not what mods would need to be done ? What vehicles are good donors to look for ? Need to fix ASAP !
Thanks for any info
I went to a junk yard and pulled a rear from a 4 door Tahoe 2WD and it did not match up . I was told after I returned the axel to the yard only another 4x4 2 door rear axel assembly would install correctly . My question was does anyone know what model and year other chevy vehicles could be...
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