A while back you may remember a discussion regarding phenolic spacers for between the lower and upper intakes. I designed a 3/8" spacer cnc milled from Delrin, an acetal homopolymer having properties similar to aluminum but has the insulative properties of phenolic.
Last night I installed one of the prototype units I designed on my car. I have already bypassed the coolant lines that heat the throttle body and plenum itself by the cold start valve. I took the car for a hard drive and afterwards I was amazed to discover the intake plenum was almost cool to the touch; as opposed to the barely touchable heated hunk of aluminum it was without the spacer.
These temperature measurements will be checked with a thermocouple on a mostly stock turbo car:
-All stock lines in place, no spacer
-Stock lines bypassed from TB and plenum, no spacer
-Stock lines bypassed, spacer in place.
I'm confident this part will make a noticable performance increase for turbocharged and NA cars alike! ETA for purchase is mid-december, and the price will be set under $100. This is a complete kit which includes the spacer, new plenum mounting hardware, bypass coolant hose and RTV silicone. They will be compatible with both stock fuel rails and aftermarket, as well as stock and aftermarket plenums (but only hardware replacing stock plenum bolts will be included).
Last night I installed one of the prototype units I designed on my car. I have already bypassed the coolant lines that heat the throttle body and plenum itself by the cold start valve. I took the car for a hard drive and afterwards I was amazed to discover the intake plenum was almost cool to the touch; as opposed to the barely touchable heated hunk of aluminum it was without the spacer.
These temperature measurements will be checked with a thermocouple on a mostly stock turbo car:
-All stock lines in place, no spacer
-Stock lines bypassed from TB and plenum, no spacer
-Stock lines bypassed, spacer in place.
I'm confident this part will make a noticable performance increase for turbocharged and NA cars alike! ETA for purchase is mid-december, and the price will be set under $100. This is a complete kit which includes the spacer, new plenum mounting hardware, bypass coolant hose and RTV silicone. They will be compatible with both stock fuel rails and aftermarket, as well as stock and aftermarket plenums (but only hardware replacing stock plenum bolts will be included).
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