b18c1 headwork
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b18c1 headwork
how necessary are these upgrades running 15-20lbs boost ona built bottom end - port and polish, oversized valves, springs retainers. etc? worth it, or overkill? (i'll have the head off anway...)
#3
Re: b18c1 headwork (Tom)
You can run stock head with built bottom end. However you may get more power of the motor if you have the head ported. When a head is ported you are allowing more air to travel at a faster rate. More air, more fuel, more spark = more combustion. Which in turns makes more power.
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Re: b18c1 headwork (ekb18c)
You can run stock head with built bottom end. However you may get more power of the motor if you have the head ported. When a head is ported you are allowing more air to travel at a faster rate. More air, more fuel, more spark = more combustion. Which in turns makes more power.
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Re: b18c1 headwork (98Psi ITR)
100,000 miles old. last 10,000 were turboed. then piston #4 said ..."good-bye, nice knowing ya..."
but i wonder, could there be any other reason besides a melted piston or broken ring lands causing 50% loss during leakdown test - coming out my valve cover? pffffffffffffffffff
but i wonder, could there be any other reason besides a melted piston or broken ring lands causing 50% loss during leakdown test - coming out my valve cover? pffffffffffffffffff
#10
Re: b18c1 headwork (98Psi ITR)
Here is a dyno with a built motor and stock head. I want to say it was at 15psi, but it just may have been at 19psi.
His setup if I remember correctly was:
Drag 3 turbo kit
Thermal 3"
VFAC
RC 370cc injectors
Cartech FMU(set at 6:1)
cam gears
sleaved benson block with 9:1 CR
Stock head
His setup if I remember correctly was:
Drag 3 turbo kit
Thermal 3"
VFAC
RC 370cc injectors
Cartech FMU(set at 6:1)
cam gears
sleaved benson block with 9:1 CR
Stock head
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