P&H injectors on a 7749?

[Bruce]

Operating temps while slightly higher really didn't seem to be the issue.
Higher rpm, and higher duty cycles are what did them in.

The 55 P+Hs are a sweet injector.

Bruce


From: <ECMnut at aol.com>
Subject: P&H injectors on a 7749?


> Anyone running more than 4 low Imp Injectors with the 7749 ECM?
> This ECM runs 6 hi-impedance injectors in the turbo 4.3 app.
> I know the Sunbird turbo ran four low imps, but we want to run six.
> Has anyone done this for any length of time?
> And if so, with good or bad results?  I'm working with my cousin
> who has a Typhoon 4.3 with Brodix heads and a bigger turbo, and
> the stock 30lb injectors are maxed out before any mods.
> We're trying to use the 7749 ECM with low-imp 55lb seimens injectors,
> and don't want to spend for new injectors and find that they don't work.
> Grumpy let the smoke out while experimenting in this area.
> I'm thinking maybe a cooling fan & heat sinks or something.
>  Is it time for another driver?
> Thanks in advance for any help,
> Mike V
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