Thermal Coating OP/FP? - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Scuba86 · 11-23-2015, 10:10 PM

Tried searching couldnt find anything except stuff about coating headers. Is it worth it? pros/cons?

jvincent · 11-23-2015, 10:43 PM

There's less of a heat issue with the OP/FP so unless you care about rust I wouldn't bother.

Clipdat · 11-24-2015, 12:37 AM

This is a good question considering the factory overpipe has a heat shield. Interested to hear some thoughts on this.

churchx · 11-24-2015, 12:40 AM

By OP/FP exhaust gases are already cooled somewhat, and it's much further from where heat soak matters a lot, intake that is, but it still costs a lot to thermal coat. I'd say - not worth it due high price and meager gains unlike for header. There are much better ways/parts to spend money with more return.

jawn · 11-24-2015, 12:52 AM

Quote:

Originally Posted by jvincent

There's less of a heat issue with the OP/FP so unless you care about rust I wouldn't bother.

This. You might do the OP, but I doubt there'll be much of an improvement on heat. The FP is out of the engine bay and directly exposed to air, so it'll be cooled pretty quickly.

11-23-2015, 10:10 PM	#1
Scuba86 Senior Member Join Date: Aug 2014 Drives: 2014 FR-S Monogram Raven Location: TN Posts: 218 Thanks: 21 Thanked 53 Times in 27 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	Thermal Coating OP/FP? Tried searching couldnt find anything except stuff about coating headers. Is it worth it? pros/cons?

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11-23-2015, 10:43 PM	#2
jvincent Senior Member Join Date: Sep 2013 Drives: 2022 WRB BRZ Sport-Tech Location: Ottawa, Canada Posts: 1,746 Thanks: 131 Thanked 1,410 Times in 715 Posts Mentioned: 25 Post(s) Tagged: 2 Thread(s)	There's less of a heat issue with the OP/FP so unless you care about rust I wouldn't bother.

11-24-2015, 12:40 AM	#4
churchx Senior Member Join Date: Mar 2015 Drives: 2014 GT86 Location: Latvia, Riga Posts: 4,333 Thanks: 696 Thanked 2,085 Times in 1,436 Posts Mentioned: 53 Post(s) Tagged: 1 Thread(s)	By OP/FP exhaust gases are already cooled somewhat, and it's much further from where heat soak matters a lot, intake that is, but it still costs a lot to thermal coat. I'd say - not worth it due high price and meager gains unlike for header. There are much better ways/parts to spend money with more return.

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