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Is the 910 the largest big bore

sled_guy

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There were a few stroker motors floating around that were 910 cylinders with a stroked crank giving you 970 or 990. I know SLP built a handful.

sled_guy
 

2XM3

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Yeah it was a 910 with the billet stroker crank from the SLP 903 was around 990 or so cc

heres the crank they used

 

aksledjunkie

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Totally not what you are asking but just saw that there's a 911 big bore for the G4 850 from Bikeman I think. Probably chose 911 given the obvious marketing attention it'll draw ha.
 

BILTIT

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So did PSI, 1085cc twin i think. But they aren't worth talking about really as they didn't work very well.

Carls 910 is by far the most common, properly running BB 800 out there for those years of engines.
 

Scott

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So did PSI, 1085cc twin i think. But they aren't worth talking about really as they didn't work very well.

Carls 910 is by far the most common, properly running BB 800 out there for those years of engines.


For twin cyl engines, if I remember correctly, PSI used the stock case and crank up to their 925 twin. I seem to remember something in the 975 range, but can't recall if it was a twin.
But I know they had the 1080/1085 and the 1150/1155 twins that they used their own sand cast case and the RAD crank.

IMO, they did work well when the right person got ahold of them.
Mine worked REALLY well. I ran my 1155 for 6 years before I bent a rod...after that, Bruce was my biggest problem and biggest obstacle.


When Wayde Johnson, Turbotater, got ahold of it, it became an even BETTER running machine...until I broke a rod a couple years later. Then I SOLD it back to Bruce with a cracked case.
 
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