Out of curiosity, does power drop if the exhaust port flow goes above 70% of inlet flow? Or do you mean that if the exhaust port flow is higher than 70% of the inlet flow then money is better spent on the inlet?
On Wed, 9 Jul 2003, E Smith wrote: > Heath, > CA18DET valves are 34mm In 28mm Exhaust. > Exhaust port flow is only 51% of inlet (stock), so is limiting factor for > performance. Exhaust flow should be approximately 70% of inlet for maximum > performance. > > > Cheers, > Feral Errol > Get Serious tm<http://www.datrats.com.au/> > > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Heath > Sent: Monday, July 07, 2003 10:30 PM > To: [EMAIL PROTECTED] > Subject: CA16 Head > > > Hi all > the CA16 head has 30mm inlets and 28 ex. > is that the same as CA18det's? > people have said that the exhaust port needs porting, > the port looks like it needs to be enlarged towards it's sister port > does that make sense? > i'll remove the valves this week and have a look > at the the bowls behind the valves. > > Heath > > > --membersozdat------------------------------------------------------- OZDAT Mailing List Please Note:- Send (un)subscribe requests to [EMAIL PROTECTED] Send submissions to [EMAIL PROTECTED] No unauthorised redistribution of this email http://www.ozdat.com/ozdatonline/index.htm http://www.ozdat.com/ozdatonline/listindex.html http://www.mail-archive.com/[EMAIL PROTECTED]/ ---------------------------------------------------------------------
