REFLECTOR: Exhaust systems
Scott Derrick
reflector@tvbf.org
Wed, 09 Jul 2003 10:33:45 -0600
Are you LOP or ROP?
Scott
John Dibble wrote:
> At 2300 rpm/22" map, my EGT is 30 degrees higher on EI compared to the mag. I'm
> thinking that the EI timing needs to be advanced. However the current EI "settings"
> are already 4-5 degrees advanced beyond the 28 degrees specified for the Franklin
> engine. If I adjust the EI "settings" to 28 degrees, it's much rougher and backfires
> on EI during run-up. Any thoughts about using EGT/CHT to fine tune the timing?
>
> John
>
> Mike Pollock wrote:
>
>
>>I also run LOP with an IO-360, but only to a maximum of 50 degrees LOP. The
>>soot is still there, but just not as dark. The EI does nothing for the max
>>EGT reading though. I can get the same EGT with the mag as I can get with
>>the EI.
>>
>>Mike
>
>
>
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