Friday, August 30, 2013

d16z6/d15b vtec IM development pt.7




the finished product , final texture achieved , runner entry shaped and contoured
the dividers are more profiled 

overall target here is :

making the convoluted non high performance OEM dseries manifold (p08) casting
to be more efficient  in air delivery, with an attempt at trying to equalize air distribution
ultimately improving engine performance and with the right tuning , even fuel efficiency



to compare, this is definitely not on par with  a specific aftermarket manifold
like the skunk2/blox IM's  which is preceded by the edelbrock performerX performance wise

but this is a good solution to those that need to race "stock" 
or to maintain that "stock" look  when needed :)

even a stock engine with just this portwork/mod on the intake
and ecu tuning will give a pleasant improvement in performance and fuel efficiency

-
this is now tig welded shut  and the brake master vacuum source (broken press fit)
is now replaced with a 3/8 NPT 90deg fitting  for that clean finish

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