4 port or 6 port give me a final choice
02-22-03, 03:37 PM
#1
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4 port or 6 port give me a final choice
ive been searching for a answer but cant find a final choice of what is better on a N/A carbed motor?so can i get some help here
02-22-03, 03:38 PM
#2
this is a double edged sword
6 port will give you better get up and go on a stock motor/setup
4 port will be a lot better when doing modifications, you wont have to muck with the 6 ports and such, also turbos are generally easier to do on a 4 port.
6 port will give you better get up and go on a stock motor/setup
4 port will be a lot better when doing modifications, you wont have to muck with the 6 ports and such, also turbos are generally easier to do on a 4 port.
02-22-03, 04:27 PM
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are there issues with using a 89-91 turbo motor compared to a 87-88 turbo motor(would swap in high compresion rotors). i know that i would need a SE front plate and SE oil pan. is there any differnce in the installation of the two series?
02-22-03, 06:02 PM
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Check out this link, explains all the differences between the zenki and kouki 13B's:
http://www.hitman.hm/13BHints.htm
http://www.hitman.hm/13BHints.htm
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02-23-03, 10:40 PM
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I know the differnce between the motors i was talking about is there any problems that would make the series 5 motor more difficult to install than the series 4 motor
02-24-03, 06:53 PM
#11
turbo s4 engines have 8.5 and s5 has 9.0.
s5 N/A has 9.4 or 9.5 but I know thats the highest you can get. you will need the appropriate counter weight and flywheel.
The port timing is different on a turbo engine but this can be fixed with porting.
s5 N/A has 9.4 or 9.5 but I know thats the highest you can get. you will need the appropriate counter weight and flywheel.
The port timing is different on a turbo engine but this can be fixed with porting.
02-26-03, 09:50 PM
#16
If you look back at Grassroots racing from a couple years ago they built the Ro-spit, which has a half-bridge ported six-port engine that had been by Tri-Point Engineering. In this setup only the six-port plates are cut with bridges. The center housing is given a mild street port since there is limited steel there to be cut.
Just a thought.
Just a thought.
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