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Old 03-31-2006, 10:40 AM
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GM 383cc Stroker build

Hi All

Looking for some opinions on a GM 383cc Stroker build.

The truck itís going in is a 1936 Ford Panel, (see picture above or ) to be used for driving around town, light hauling and shows.
What I would like to build is a 383 stroker using a seasoned block but keeping in the low Octane swamp gas range if possible, similar to the GM truck 383 Crate Engine.
But the question I was looking to get answered is. I would like to use a polished or chromed GM type Tuned Port fuel injection system or the GM type Ram Jet with the computer chip and Jets setup to match the basic drive trine and engine Iím using.

So has any one out there used either of these FI systems before?

Iím looking for any reason (not to use the Tuned Port) over the Ram Jet.


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Old 03-31-2006, 11:29 AM
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We are tuning a 406 small block on the dyno with a tuned port induction system run on a FAST EFI box. If this is going to be a low RPM deal for you it would be hard to pass on the TPI setup. Well over 450 lb's of torque in the 2800 RPM range is hard to argue with. HP on top is bland, in the 370 range at 5000 but for the truck it's going in the motor will be very nice.

It will be difficult to run either system via the stock computer if camshaft specs vary from stock or cylinder heads are different. The displacement fueling may be corrected via slight increases in fuel pressure but would also affect the idle mix as well. Running a closed loop O2 may have enough correct to account for the displacement on it's own but never have done a setup like that.
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Old 03-31-2006, 11:48 AM
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Rick WI

I see your points.
I may have to bring the engine up a little.
I havenít talked directly to any one company yet by phone about the electronics. I need to call some companies and insist on talking to someone other than just sales to be shore.

Any one else have an opinion?

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