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g,day
does anyone know why the pollution valleycover wont fit old style heads on a 253
cheers...darrin
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Any Red pollution valley cover will fit OK. Blue will not.
I'm running a VB commodore intake manifodl on a HQ 253 no problem. You will need to blank off the pollution (EGR) hole wit h aplate oyu can get at most auto stores.
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thanks scott
I have hz 253 i am putting yellow terra heads on but they are non pollution and I didnt know if if the exhaust port caused any problems.
I guess the choke heater holes wont hurt .
do you know anything about cam timing with variable gears.
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http://www.iskycams.com/degreeing.html
...or do a search of Crow or Crane cams for degreeing your cam
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thanks taz2 isky was what i was looking for.
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