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Old 09-10-2009, 10:42 PM
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6D6GOAT 6D6GOAT is offline
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Join Date: Jun 2004
Location: Redondo Beach, CA
Posts: 1,308
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hold on...let me explain my plan a little better...

With my fuel injection I can put what ever timing advance/retard where ever I want. what ever RPM or vacuum /boost level.

I have a good map for cruising...40 plus degrees advance. At 8 PSI i have 25 degrees currently. What I was thinking about playing with is putting 10, 15 or 20 degrees JUST at ZERO boost (atmospheric pressure) with the idea that the retarded timing would put a lot of the combustion event and heat in the exhaust which I think will spool the turbo quicker. once the boost starts to comes in the advance would jump back up to like 30 degrees at 1 lb..28 at 2lbs...27 at 3 lbs...and on down.

I could even richen my fuel levels at the same area of the map to further fuel the fire if i want to.

Just an idea. Not sure it will even make a difference but it only takes about 30 seconds to change my spark map with my laptop so im going to give it a try.


Also, I am running a water/alcohol setup.


And, I took my wastegate apart tonight. The valve was completely frozen. I was able to free the valve. It was just all crudded up and a little bit rusty. I took some steel wool and cleaned it up and very lightly lubed it with some 20W50 synthetic. Im thinking that it got a good dose of moisture when I blew the head gasket on the last motor...or maybe it was frozen and thats why it blew the head gasket. Either way I think its fixed. I hope to give it a test drive tomorrow.

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66 GTO clone, 467 cubic inches of Turbocharged Multiport Fuel Injected fury twisting a TH400 into 3.90's wrapped in a 12 bolt posi.

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