If the top of the bore is chamfered and the Head has had the edge of the CC done it shouldn't be a detonation issue (basic motor prep)
Work out the increase in volume it's miniscule 1mm x 2mm x 84mm id and 86mm od...
Repeat after me "It's NOT a class race car I don't need to obsess over...
BW: It's only a 1mm step with nicelt chamfered edges so I can't see it being a huge issue, as for the increase in squish I honestly can't see it making a measurable difference in output.
These aren't race motors where you're trying to gain an edge on competitors using the same hardware.
(I...
BW: I use the 86mm HKS Stopper with my 84mm bore as that's the only size they make it in and I've blown a few regular MLS's running this thing ragged during development of the fuel system.
165: Measure it it's NOT that hard......
If your "Guy" is saying 1.5mm is near enough find a new "guy"
"Safe" is a relative thing......
If you keep boost moderate yes it'll be safe but if you plan on cranking out some big HP you really need to measure it accuratly and get the correct gasket.
Chunks: And that door is controlled by the AMP in the CC so no matter what you do with the heater tap and it's controls if that's not working all you get is cold as I posted earlier....
Ummmm so I'm not understanding the benfits other than removing condensation (which should be pulled into the PCV and burnt off anyway) ;)
I'm not being a PITA just trying to understand the theory behind your setup.
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