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On Sun, 2005-09-11 at 19:14, David Y wrote: > Hi All, > > I'm trying to find the right main jet size for my new engine (1776, > Berg full-flow, C.W. 69mm crankshaft, stainless steel valves, 009 w/ > Pertronix, dual Solex H32/34 PDS13, currently running 140 main jets) > after my oil temp shot up on the first freeway test drive after only a > few miles (to 250F on my vdo gauge... yikes!). I pulled a spark plug > and it was looking very lean, so considering the fact that everything > else related to cooling is in place (down to the timing hole bung ;) I > figure it must be the air/fuel mixture. Does anyone have a > recommendation for what size jets to try for this configuration? > > Also, what are the chances a few minutes at this temperature did > serious damage to my new baby?! At around $3K into the job so far I'm > totally paranoid... > Where are you getting your intake air for your carbs. Are they ducted into the cool air stream in the intake plenum, or is it being pulled from the surrounding air in the engine compartment. Are all your tins inplace, including the little ones behind the intake manifold. http://classicvw.org/gallery/enginetin/FI_tin Helped a guy a few weeks ago with this same problem, and when he replaced those tins, the overheating almost went away. When he put a FI dist. in, it went away completely. -- Russ Wolfe '71 FB AT '66 FB MT '64 T34 (not running) '65 T1 (not running) '05 KIA Sorento SUV russw@classicvw.org http://www.classicvw.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~