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Location:
Canberra
Registered:
May 2002
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Re: 3T-GTEU / CT20
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Tue, 11 March 2003 11:55
 
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you should definately be able to hear/feel the vaccum in the line to the distributor diaphragm. if not, run a new line straight from the diaphragm into a fitting on the plenum that you can both blow & suck through. you may need to tap into one of the existing lines with a "T" piece. the fuel pressure regulator line is a good place to go.
without vacuum, the car will be pretty doggy off boost, particularly at part throttle acceleration (less than 5" manifold vacuum) BUT the bigger problem is that the distributor will not retard timing on boost!! THIS IS BAD as you will be much closer to detonation, & we all know how well the 3TGTE pistons go with just a little bit of pinging! goodbye ring lands 
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