MPG with V8/914, very mild cam, megasquirt FI unit Options

[bd1308]

I was pondering a conversion such as this one for my 914.....what MPG could i expect?

[ewdysar]

Ian,

Yes, my enginge warms up now. The T-stat from RH had 3 by-pass holes drilled in it, I calculated them out to about 20% total flow while the t-stat was closed. I put in another with 5% bypass holes in it (I was chicken) and the car warms up reasonably quick now. The engine stays around 180 now, the fans come on at 185, I don't think that the engine has hit 190 yet, but summer's coming. Even now, in 75 deg weather the t-stat is spending some time closed (you can see the fluctuations in the gauge)

I realized that the heater core is plumbed off of the manifold, so it flows even if the t-stat was sealed. I'd like to find a valve that would route the manifold flow to either the heater core or another hose leading to the back of the waterpump. This would provide some flow to protect the impellor from cavitation while cold, but shouldn't degrade the radiator flow much (at all?). I'm going to check how the engine acts in the summer heat before adding the extra plumbing. Maybe just use the heater flow valve, the red lever on the tunnel, to act as a manual bypass control, open when cold, close it after the car warms up. When I get comfortable with the bypass setup, I'm going to change to a full stock t-stat (no holes) for quicker warm-ups.

Eric