"Engine would not idle below 1500"
That's a bit high even with an aggressive cam... Timing? Vacuum leak? Idle
adjustment? Stuck throttle cable? (I've run into all those birthing the 289
in my Mark 2...). With a mild Edelbrock flat tappet cam, Edelbrock heads,
full length headers, and a 600 Holley 4160 (vacuum secondaries) I can get
the idle down to 800 - 900 rpm, relatively smoothly.
The gas mileage, however, is not as good as I'd like it. Maybe because the
carb's sized for @ 350 CI. After a discussion with Dr. Mayfield a few months
ago I ordered a wide-band Air/Fuel gauge. Once it's in I hope to know more.
As it is, the limited driving I've done eats through a 6 gallon gas can full
way to quickly.
Hope you have an engine hoist, Duke, You're getting to the fun part!
Tom
' 67 Mark 2
On Tue, Apr 26, 2011 at 5:32 PM, Samouce's <wsamouce@kc.rr.com> wrote:
> 415 lb-ft torque @ 4800
>
> 416 HP @ 5800.
>
> This was on the Holley 600 DP. Engine would not idle below 1500 and I am
> sure there will be drivability issues. Just ran out of time and moola.
> Much more detail and videos to follow. My butt is worn out and I still
> need
> to get the engine out of the back of the Acadia.
>
> Duke
> B382002037
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