covering intercooler
Submitted: Wednesday, Feb 11, 2004 at 17:10
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Member -ace ( SA )
Hi all, when crossing water, what effect, if any at all, will the engine suffer once you have placed a blind across the front of the vehicle but more importantly covering the intercooler,ie; under the bonnet and effectively restricting its air intake??, regards, Adrian.i like terra firma, the more firma the less terra, regards, Adrian.
Reply By: donk - Wednesday, Feb 11, 2004 at 17:29
Wednesday, Feb 11, 2004 at 17:29
Stopping air flow to the intercooler will have no affect when doing a water crossing at all
The role of the intercooler is to cool the air after it has left the turbo & this makes it denser & increases the engine power slightly
Looking at the photo you have a turbo intercooled prado
The hilux turbo uses a non intercooled version of this same engine
As long as you are not covering the actual air intake to the engine air cleaner you will have no problems
Regards Don
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Reply By: chrisfrd - Wednesday, Feb 11, 2004 at 18:15
Wednesday, Feb 11, 2004 at 18:15
I Disagree!
It should make a HUGE difference! You now have a water/air/air intercooler!
Huge improvement in power output. Only problem is you had to drop your truck into the creek to do obtain the advantage!
To be serious, the only problem you have with dunking the intercooler into lots of water relates to if it will withstand the tempurature change and not crack! Intercooler units are made up from 1mm and .5mm thick aluminium that don't usually like sudden tempurature changes.
My Nissan unit cracked at the seal, probably due to it being drowned a few times (ZD-30 Turbo) in rather large creeks. The truck would plough through, with the water going over the blind and into the intercooler opening on the top of the bonnet.
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