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Old 18th November 2009, 16:12   #472
MJRallying
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South West Region MemberWest Midlands Region Member
 
Join Date: Sep 2007
Location: Somerset
Posts: 2,341
Car(s): 205 GTI Rally Car, MK2 Saxo VTR...
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Quote:
Originally Posted by Ryan View Post
16v makes sene


[QUOTE=pugmender;3849790]
Quote:
Originally Posted by MJRallying View Post
Update: 17/11/09

some people fall in s**t and come out smelling of rose's, your one! lol
Yep

Quote:
Originally Posted by KamRacing View Post
good choice in going 16v. Realistically you will have about 175-180bhp with a standard engine and throttlebodies/carbs. I've not seen more than that on realistic rolling roads. There are a few disadvantages to using the Mi16 though and the main one is going to be oil surge. The problem is the large open head design meaning it can hold a lot of oil. The drainage is simply not adequate for very high speed left hand corners.
The sump should work though I would suggest tapping new drainage holes in the back of the head (in the corners) and running additional drainage hoses back to the sump.
Newer heads like on the gti-6 have two separate compartments for the inlet and exhaust valvetrain which eliminated this issue.

Yes i agree with your figures, ive spoken to hiflowheads and im getting some decent cams fitted and head modified to suit so hopefully around 190-200bhp rr depending...

The oil surge issue seems to be solved by the trap door design in the sump....it allows so much through then shuts apparently a few people who race mi16's says this cured it.

Plus rallying isnt anything like the grip you have all the time on a track (well not as much)
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