Gumnuts
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Baileys were the (longs) or bearings with sleeve!
Cool .Thanks for time/pics.
Contra to 090 Rebuild Help
- Thread starter DaltonPaull
- Start date
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Cool .Thanks for time/pics.
T
Teddy.Scout
Guest
Anytime!!!!
DaltonPaull
ArboristSite Operative
My Baileys bearings that arrived the other day looked just like the ones posted above by Teddy.Scout.
Thanks for the offer on the 070 jug Gumnuts. I might take you up on that since I already have the 070/090 shroud on the way that might be a good option. Glad to hear that the extra cc's are not missed.
Thanks for the offer on the 070 jug Gumnuts. I might take you up on that since I already have the 070/090 shroud on the way that might be a good option. Glad to hear that the extra cc's are not missed.
I'll dig this one up from the archives. Two things:
1) Mad props to Dalton Paull - he sent me the Contra piston he had. After a good session in the ultrasonic bath, the carbon busted out of the rings and they came free. The piston is in good order. THANK YOU!!!! So I re-ringed it, and installed in the Contra I was rebuilding. This Contra is a bit of a mutant, the crank had gone so I picked up a second-hand crank off eBay for a good price.
2) Now the bad news. Contra con-rods are shorter than 070/090 con rods. How do I know this? Well, the crank I got from ebay was from an 070, and when running it in a Contra, the piston hits the top of the cylinder. The height of a Contra jug is about 85mm....an 070/090 is 90mm. ARRGH!!
So I'm going to have go back to plan A and turn this Contra shell into an 070, and get busy with the spray gun so I can rebuild Daton Paulls piston into a Contra case with matching crank.
1) Mad props to Dalton Paull - he sent me the Contra piston he had. After a good session in the ultrasonic bath, the carbon busted out of the rings and they came free. The piston is in good order. THANK YOU!!!! So I re-ringed it, and installed in the Contra I was rebuilding. This Contra is a bit of a mutant, the crank had gone so I picked up a second-hand crank off eBay for a good price.
2) Now the bad news. Contra con-rods are shorter than 070/090 con rods. How do I know this? Well, the crank I got from ebay was from an 070, and when running it in a Contra, the piston hits the top of the cylinder. The height of a Contra jug is about 85mm....an 070/090 is 90mm. ARRGH!!
So I'm going to have go back to plan A and turn this Contra shell into an 070, and get busy with the spray gun so I can rebuild Daton Paulls piston into a Contra case with matching crank.
DaltonPaull
ArboristSite Operative
I'm glad that the piston worked out but that's a little disappointing about the crank. I guess I'm going to have the opposite problem with mine converting to 070. Do you want to trade cranks?
