Dricks2022
Member
How much HP does this engine produce? Hearing it’s a 300 or 310
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Lycoming Aircraft engine
- Thread starter Dricks2022
- Start date
How much HP does this engine produce? Hearing it’s a 300 or 310
kwanjangnihm
Moderator
what is the compression ratio?
Alaska viking
Well-known member
Quite the oil cooler!
Kwan is correct. Without knowing what pistons are in it then you wont know for sure. Most likely it will have 10207 pistons in it. They are 8.7:1 compression. If that is the case then I would guess 290 to 300. That engine from Lycoming came with 7 or 7.5 to 1 pistons because it was turbo charged. I have had 2 of them in the past and love them. If it was fuel injected with 10:1 pistons that would make it 310ish HP.
terrible ted
Well-known member
More than just compression. My 540 was low compression in the 7 but the motor tag was 315 @3200 a geared motor. It has a good thump to the cam. Originally came with twin ma5s, So hp may be off a bit if only going by compression.