Mid Pipe knowledge please! *serched but still not very clear*
11-13-11, 06:19 PM
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Mid Pipe knowledge please! *serched but still not very clear*
Hi all,
I'm new to this forum and the RX7 scene. Based int he UK.
I searched about having a mid-pipe fitted to my FD3S, there was a very detailed thread about the difference between the RX7-store Res mid pipe and another company.
My question and confusion is:
1. Am i right in thinking, if i do go for the Res mid-pipe, then i will 'Need' to have some sort of reducer i.e. a smaller gasket? to restrict the exhaust gas flow.
2. If answer to top is yes. Why would i want to restrict the flow? I read about the boost creep.. but does it creep so much from just a res mid-pipe?! and how much boost is over boost? 1.3bar? anyone know?
3. Surely sensible amount of boost gain is good? No?
4. Does anyone know what a standard FD3S should boost at?
My FD currently have HKS filters and a 5Zigen (rear box) i think as i dont know what the standard mip-pipe on a FD looks like. i assume i have a standard mid-pipe cause the box (cat) is MASSIVE!
Sorry for all the questions, but its been bugging me all night!
Kind regards,
Nigel
I'm new to this forum and the RX7 scene. Based int he UK.
I searched about having a mid-pipe fitted to my FD3S, there was a very detailed thread about the difference between the RX7-store Res mid pipe and another company.
My question and confusion is:
1. Am i right in thinking, if i do go for the Res mid-pipe, then i will 'Need' to have some sort of reducer i.e. a smaller gasket? to restrict the exhaust gas flow.
2. If answer to top is yes. Why would i want to restrict the flow? I read about the boost creep.. but does it creep so much from just a res mid-pipe?! and how much boost is over boost? 1.3bar? anyone know?
3. Surely sensible amount of boost gain is good? No?
4. Does anyone know what a standard FD3S should boost at?
My FD currently have HKS filters and a 5Zigen (rear box) i think as i dont know what the standard mip-pipe on a FD looks like. i assume i have a standard mid-pipe cause the box (cat) is MASSIVE!
Sorry for all the questions, but its been bugging me all night!
Kind regards,
Nigel
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