How to MarkVIII your OBS on a budget..!

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oakdog

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How much cfm do these fans pull? If you know.

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oakdog

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Not bad

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---------- Post added at 05:39 PM ---------- Previous post was at 05:33 PM ----------

Monstar_est87 you were right about the mark VIII pulling 60 amps. I haven't had any problems but I am coming up with an alt controller.

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saif najd

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Looks good... How is it being controlled..?

By 3 relays this the modes:
1- both working full speed to cool it down
2- if no need to cool the the radiator but the A/C clutch kicked ON then single fan will work
3- if both are working and the A/C clutch kicked ON then one of them will work for the A/C and the other will continue for the coolant.

I figured it out soon it was done by the previous owner actually

---------- Post added at 07:34 PM ---------- Previous post was at 07:33 PM ----------

Sorry I don't know I wish I could

---------- Post added at 07:34 PM ---------- Previous post was at 07:34 PM ----------

I believe low is 3200 and high is 4600 cfms... Just off the top of my head...

It is on high all the time

---------- Post added at 07:35 PM ---------- Previous post was at 07:34 PM ----------

Not bad

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---------- Post added at 05:39 PM ---------- Previous post was at 05:33 PM ----------

Monstar_est87 you were right about the mark VIII pulling 60 amps. I haven't had any problems but I am coming up with an alt controller.

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Thank you
 

2drhoeon4s

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if I knew about this i probably wouldnt have gone with Flexalite dual efans... $$$
 
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Monstar_est87

Monstar_est87

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Not bad
Monstar_est87 you were right about the mark VIII pulling 60 amps. I haven't had any problems but I am coming up with an alt controller.
Yea they can draw quite a bit so make sure u get a relay or relays that can take it... And a self resetting fuse aka circuit breaker...

if I knew about this i probably wouldnt have gone with Flexalite dual efans... $$$

Its all good... Ur flexalite match ur sweet @ss truck...

By the way this one of the most famous mods locally for efan conversion

Good work saif najd... Electric tape and wire loom go a long way 2 protect ur wires and clean things up abit...
 

MC153

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I remember you told me about this when I first got my Tahoe. Just barely found the thread. I wanna do this with a Jegs kit. I will get the fan for $14 from the junkyard. My only concern is the power draw. Will I need to upgrade my alternator? If I have to, this mod will have to wait for awhile.
 

retorq

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I ran dual fans with the Jeg's kit for a while with the stock alternator. It's a good idea but you don't have too...
 

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