Exhaust temperature

[Ihncheol Park]

I have a question to ask regarding our 2 & 4-stroke engines exhaust
temperature.
How high do they go up?
I just ran a 91SX-H (FX) with a full length Macs standard header and a quiet
tuned pipe for 140.  Seller only told me it was for 90 size, but actually
showed up as a 140 size.

I ran with APC 15x8 with magnum #1, extra shim installed.  The pipe got way
too hot (sizzling).  The engine was not ran at peak (very rich).

When I ran Hanno 61 with 650 at full length header, it was not this hot.
So, I am just wondering how hot do our engines go.
How about those 120/140s 2 and 4-stroke engines?

Thank you,

Ihncheol Park


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