 | Thunderdome, my 1986 Mazda RX7 with a V8 conversion.
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 | Converting to the 454 Throttle Body. It has 2" bores instead of the 1-11/16" bores of the 350/305 TB. Also this one has the 90# injectors which are a nice step up from the 40# 305 injectors. The 454 TB also came with a nice 4-bbl adapter.
10/09/2009 |
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 | Fuel injected and running. Still needs tuning. Joseph painted the valve covers for me while it was in the shop.
09/29/2009 |
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 | I converted back to the stock RX7 fuel pump and I am using the internal throttle body regulator. The MegaSquirt ECM is located in the factory CPU location, (under the passenger's feet). |
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 | MegaSquirt and Spark Extra. Just got the car "driveable" in time to move for school. I will tune the cruise and load conditions in the coming weeks.
09/25/2009 |
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 | The harness ready to go into the car. Just have to stuff the alternator wires when the harness is in the car and we are ready to go.
09/18/2009 |
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 | My wiring harness minus the wire loom. I now know why it costs so much for a custom harness.
09/18/2009 |
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 | This is how everything looks with the adapter. Only the thickness of the adapter (1/2") taller than everything sits with a carburetor.
09/15/2009 |
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 | The TBI manifold has a slightly different bolt pattern than my current heads. I determined it was easier to make a carb to TBI adapter than to modify the manifold.
09/15/2009 |
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| Side note: The MS I chip cannot run the TBI IAC. If you plan to use the stepper style IAC equipped on TBI units, you will need the MS II chip. |
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 | All the easy stuff is removed. Hopefully all the TBI parts will be installed soon.
We canceled the TPI idea because of expense, complexity, and minimal immediate and long-term gains.
09/13/2009 |
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 | It has taken forever to get a place and the time to work on the EFI conversion but it is finally happening.
09/11/2009 |
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 | MegaSquirt I with the V3.0 board.
I plan to be running multiport fuel injection within a month. For the next three weeks I will be developing a base tune. I will then install a Camaro TPI manifold and test it out.
09/2009 |
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