- Joined
- Mar 15, 2022
- Messages
- 351
It's the late .45 Machined front and rear sections. Wished my distributor was still alive, i'd have the new one.original OPS .45 marine?
yeah, I believe that was the "Got Nitro?" (or "Go Nitro") guy? (I believe his name was Dave?)It's the late .45 Machined front and rear sections. Wished my distributor was still alive, i'd have the new one.
yeah, I have the new "2017" OPS .45 (got it from Dave). It is based on the Picco P45R case, however manufactured at the OPS plant (they purchased the P45R mold from Picco). They literally integrated the exact same (original) OPS .45 piston & liner assy, into the Picco case! (with modified liner porting to accommodate P45R case port passages, etc.,..Notice the size comparison of the old and new crankcases). Consequently, the new engine employs the same bore as the original OPS .45 . And I believe the stroke measurement may be the same as well.Yes it was GOT NITRO his name was Dave. That new one has some help from Pico. 6 head bolts two sec. Case bolt on carb. Keep the rod fresh and let it scream
for your OPS .45 above?Need a piston an sleeve for the late 1.2
No I have a late model 1.2 cubic in. I hurt it running lean.for your OPS .45 above?
Where do we get ops now? Have 2 hydros set up for ops need a few eng. All my early d's r set up for the narrower ops 7.5'syeah, I have the new "2017" OPS .45 (got it from Dave). It is based on the Picco P45R case, however manufactured at the OPS plant (they purchased the P45R mold from Picco). They literally integrated the exact same (original) OPS .45 piston & liner assy, into the Picco case! (with modified liner porting to accommodate P45R case port passages, etc.,..Notice the size comparison of the old and new crankcases). Consequently, the new engine employs the same bore as the original OPS .45 . And I believe the stroke measurement may be the same as well.
Moreover, the new OPS .45 features an updated billet piston, an updated rod, (balanced) crankshaft, billet aluminum rear housing w/drum valve, head-button, and water-cooled head assy. It incorporates the Picco 6-bolt head configuration. The crankcase cylinder is machined (countersunk) to accommodate the old 4-bolt OPS .45 sleeve (you can see the 4-bolt cut-outs in the top of the sleeve- kind of funky).
Anyway, I'm installing this engine into my 34 year-old Youngblood mono. I'm planning to use an OEM carb from my original Picco P45R marine, modifed by Frank Orlic. We'll see how it runs.
Good luck with that one!!Where do we get ops now? Have 2 hydros set up for ops need a few eng. All my early d's r set up for the narrower ops 7.5's
go to the "Mantua Model" Facebook page:Where do we get ops now? Have 2 hydros set up for ops need a few eng. All my early d's r set up for the narrower ops 7.5's
Hope things ate well for you and yours. Do you have a piston and sleeve for the late model ops 67yeah, I have the new "2017" OPS .45 (got it from Dave). It is based on the Picco P45R case, however manufactured at the OPS plant (they purchased the P45R mold from Picco). They literally integrated the exact same (original) OPS .45 piston & liner assy, into the Picco case! (with modified liner porting to accommodate P45R case port passages, etc.,..Notice the size comparison of the old and new crankcases). Consequently, the new engine employs the same bore as the original OPS .45 . And I believe the stroke measurement may be the same as well.
Moreover, the new OPS .45 features an updated billet piston, an updated rod, (balanced) crankshaft, billet aluminum rear housing w/drum valve, head-button, and water-cooled head assy. It incorporates the Picco 6-bolt head configuration. The crankcase cylinder is machined (countersunk) to accommodate the old 4-bolt OPS .45 sleeve (you can see the 4-bolt cut-outs in the top of the sleeve- kind of funky).
Anyway, I'm installing this engine into my 34 year-old Youngblood mono. I'm planning to use an OEM carb from my original Picco P45R marine, modifed by Frank Orlic. We'll see how it runs.
Hello Bill:Hope things ate well for you and yours. Do you have a piston and sleeve for the late model ops 67
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