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Old 01-30-2007, 01:14 PM
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junglejustice junglejustice is offline
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Location: Granolaville, Washington
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GoTech Alfetta w/Stock 2.0 SPICA Manifold - It Works!!!

Wow! Awesome - you know - it seems that we always get so excited about ripping of "the old crap" and installing the new shiny stuff, that we tend to over-look basics such as before and after dyno-runs, pictures etc...

In any event, while Ron Simons and I were doing our little " 'round the country in 2 weeks " song-and-dance, Group 2 finished up a GoTech conversion on another member's Alfetta GTV here!

The goals were fairly basic;
1) Budget install, using an entry-level GoTech and as many of the OEM Alfetta parts as possible.
2) Gaining full control over fuel & spark with additional functionality available to grow with expansion of the power-plant (going turbo, or a high-compression rebuild or a twin-spark swap or whatever down the line...)
3) A user-friendly system that controls BOTH timing and ignition within a single unit (without the use of any external ignition-modules or converted L-Jet ECUs or any vacuum bazooka-boxes!)
4) Increased horsepower with good start-up and running characteristics after a short dyno-session!
5) Re-using/modifying the existing SPICA intake manifold (which already runs 4 individual throttle-bodies) to accept the new Bosch-type EFI fuel injectors.

I have to say; upon my return - they scored pretty high and right-on in all areas! The car runs great, puts out about 100 horsepower at the wheels from a - if you don't mind me saying so - very tired little stock 2.0, with the original cams, heads, pistons etc!

I'll grab some pics when the car is back at the shop next!
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Full-Race 3.7 Litre 24v Milano; Street/Track 3.0 Litre 24v Milano Verde; 2.0 TS '73 GTV; 6-speed 3.45 litre 24v Street 164 LS/Super; '06 Scion XB - Runs!
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Old 02-03-2007, 05:48 PM
brianthegood brianthegood is offline
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Location: Redmond, WA
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Please educate me a little and tell me exactly which Bosch injectors you use? Bosch produces hundreds of different kinds with different flow patterns and flow rates.....

I understand that there would be some machining of the manifold but which injectors would be the best or closest match for a Spica manifold??
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Old 02-04-2007, 06:57 PM
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junglejustice junglejustice is offline
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You can drill them to whatever size you want...! (Ford threaded or Bosch press-in!)

Best would be to give Joe a call at 206.378.0900 - They are doing the conversions and I supply the individual throttle bodies from South africa with the GoTech engine management systems - or use the existing manifold machined.

Give me a call too - 425.941.4747 - too much detail to type out here - I AM posting pictures soon....
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Full-Race 3.7 Litre 24v Milano; Street/Track 3.0 Litre 24v Milano Verde; 2.0 TS '73 GTV; 6-speed 3.45 litre 24v Street 164 LS/Super; '06 Scion XB - Runs!
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Old 02-07-2008, 09:08 PM
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Cintos Cintos is offline
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Greetings: I just bought an Alfetta GTV on eBay. It is in the Seattle area and has a GoTEch unit in it. Any chance you are familiar with it?
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