Educate yourself on the TT........>>
10-24-2002, 05:40 PM
#1
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Educate yourself on the TT........>>
Everything you need to know about the ME Motronic system, DBW and all other engine management related things on our TT's. A good (not boringly) technical read...<ul><li><a href="http://www.bentleypublishers.com/product.htm?code=H178">Bosch ME Motronic tech book</a></li></ul>
10-24-2002, 05:53 PM
#2
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Why manifold work may not be such a good idea...>>
From the book:
Intake wave ram effect
The pressure waves generated by the reciprocating piston propagate through the intake runners and are reflected at their ends. The idea is to adapt the length and diameter of the runners to the valve timing in such a way that a pressure peak reaches the intake valve just before it closes. This supplementary pressurization effect increases the mass of the fresh gas entering the cylinder.
Guess I'll scratch that idea until I study some more....I think this explains my higher Manifold pressures as compared to the IC numbers...Sounds like free boost to me.....:-)
Intake wave ram effect
The pressure waves generated by the reciprocating piston propagate through the intake runners and are reflected at their ends. The idea is to adapt the length and diameter of the runners to the valve timing in such a way that a pressure peak reaches the intake valve just before it closes. This supplementary pressurization effect increases the mass of the fresh gas entering the cylinder.
Guess I'll scratch that idea until I study some more....I think this explains my higher Manifold pressures as compared to the IC numbers...Sounds like free boost to me.....:-)
10-24-2002, 06:15 PM
#7
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Only they weren't as friendly in the old days.
<center><img src="http://im1per.shutterfly.com/procserv?si=00002937301920021025021054917.JPG& ps=0&rx=640&ry=480"></center><p>You paid for the manuals but didn't own them. I posted about 2 years back here where you could get them for $8, think web address was "boschservice" or something similar.
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