Recent post got me to thinking .
What do thing was the best engine " of it's time "
NO wrong answers here this is just based on peoples experiences.
Me personally think the Onan P220 - proven block design, reliable ignition system , ample power without being too fuel hungry. with routine maintenance will go many thousand hours of use . (going off personal experience )
The good the bad and the ugly
- DavidBarkey
- Posts: 3175
- Joined: Sat Mar 06, 2021 10:35 am
- Location: Waverley On.
- Has thanked: 17454 times
- Been thanked: 10775 times
- Timj
- Posts: 1449
- Joined: Thu Mar 04, 2021 9:57 pm
- Location: Central WI
- Has thanked: 5257 times
- Been thanked: 5062 times
Re: The good the bad and the ugly
I think the P series is that way, my P216 and P218 just run and run well. P218 is heading towards 1500 hours, doesn't use oil, doesn't smoke.DavidBarkey wrote: ↑Tue Jan 23, 2024 7:03 pm Recent post got me to thinking .
What do thing was the best engine " of it's time "
NO wrong answers here this is just based on peoples experiences.
Me personally think the Onan P220 - proven block design, reliable ignition system , ample power without being too fuel hungry. with routine maintenance will go many thousand hours of use . (going off personal experience )
deck's on, blades sharp, let's go it's time to mow
-
- Posts: 324
- Joined: Sat Mar 06, 2021 3:09 pm
- Location: Houghton Lake, MI
- Has thanked: 16 times
- Been thanked: 1438 times
Re: The good the bad and the ugly
B block with p heads. B blocks had better valves and seats. Build from there with 20hp cam. Use p ignition. If I were to build one that is.
Sent from my SM-S906U using Tapatalk
Sent from my SM-S906U using Tapatalk
- DavidBarkey
- Posts: 3175
- Joined: Sat Mar 06, 2021 10:35 am
- Location: Waverley On.
- Has thanked: 17454 times
- Been thanked: 10775 times
Re: The good the bad and the ugly
Curious , what is different in the valve and seats that make the B blocks better ?
Dave
Mad Tractor Builder
Mad Tractor Builder
-
- Posts: 324
- Joined: Sat Mar 06, 2021 3:09 pm
- Location: Houghton Lake, MI
- Has thanked: 16 times
- Been thanked: 1438 times
Re: The good the bad and the ugly
B block has thicker valve stems
B valve stems are 11/32. ( .343 )
P valve stems are close to 9/32 ( .280 )
I don't hear of b blocks loosing a valve seat. Just p blocks. They changed to thinner valve stems and the valves couldn't carry the heat enough?
Sent from my SM-S906U using Tapatalk
B valve stems are 11/32. ( .343 )
P valve stems are close to 9/32 ( .280 )
I don't hear of b blocks loosing a valve seat. Just p blocks. They changed to thinner valve stems and the valves couldn't carry the heat enough?
Sent from my SM-S906U using Tapatalk
- DavidBarkey
- Posts: 3175
- Joined: Sat Mar 06, 2021 10:35 am
- Location: Waverley On.
- Has thanked: 17454 times
- Been thanked: 10775 times
Re: The good the bad and the ugly
Thanks , good to know. I like working with Onans . Always learning something new .Jancoe wrote: ↑Wed Jan 24, 2024 8:38 am B block has thicker valve stems
B valve stems are 11/32. ( .343 )
P valve stems are close to 9/32 ( .280 )
I don't hear of b blocks loosing a valve seat. Just p blocks. They changed to thinner valve stems and the valves couldn't carry the heat enough?
Sent from my SM-S906U using Tapatalk
Dave
Mad Tractor Builder
Mad Tractor Builder