Re: [DML] Intercooler

["Chris Murley" <qumefox@xxxxxxxxx>]

>
> Darkstar is right. Maximum boost and supercharged by Corky Bell both have
> good sections on intercoolers.


Any intercooler isn't better than no intercooler. In fact a bad intercooler
can be much worse than no intercooler. The things you need to know about
intercoolers are pressure drop across the intercooler at various flow rates,
and the efficiency of the intercooler. Any intercooler manufacturer worth a
salt will have these published. If they don't, you probably don't want one
of their intercoolers because it'll be a 'who knows' kind of thing.

In reguards to your questions. If the intercooler you've found doesn't have
flow rate, temp drop, and pressure drop listed from the manufacturer, I
wouldn't use it. It most likly means that whoever made it either a) copied
someone elses design doing whatever to cut costs, or b) just slaped some
core to some tanks and started to market it without any real testing.  You'd
be amazed at the amount of 'aftermarket' crap out that really doesn't do
jack or can even hurt performance.

After researching intercoolers a bit due to plans for turbocharging my own
D, here's what i've come up with.

As far as air to air intercoolers go, bigger is generally allways better.
Another thing to note is, while this makes things a pain as far as the
delorean engine compartment is concerned, you generally don't want air/air
intercoolers in the same compartment as the engine. Hot engine air blowing
through the intercooler can actually increase charge temperature, which is
bad.

I've looked through several ways people have fit air/air intercoolers onto
deloreans before and I haven't really liked any of them. They seem to be
either extremely complicated to plumb, in locations that don't provide good
cold air flow through the intercooler(s), or require some
major modifications to the car to fit.  Because of this i've settled on
water/air type intercoolers for my D.

For one, while being more expensive, they are more versitile when it comes
to space. They can be fit in smaller places, while still having the cooling
surface in the front of the car in cool clean airflow. There are tradeoffs
though. They do require more maintanance, as you have another coolant loop,
pump, etc to deal with with them.

Chris
VIN #3209
http://badger.brazi.net/index.pl/delorean


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