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]/ ---------------------------------------------------------------------
