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Engine Rebuild Odd Cylider Wall Wear


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#1 jakepalmerd13

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Posted 20 July 2020 - 07:11 PM

Engine Rebuild Odd Cylider Wall Ware

 

hi guy got a bit of an odd one i rebuild an engine (first one i have ever done) had some help from friends that have done this before.

 

std 1275 block with new pistions and cam + all the bearing etc.

 

after about 30 mins of running no 1 started nocking so i pulled the engine and all check out apart from a ridge in the corner (where the alternate mounts) of the cylider wall.

 

feel free to fire me some quesion or thing for me to check just not sure what could have casued it. end float, shims, prim gear, pistion??

 

any thing will help 

 

thanks in advance.



#2 Tones61

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Posted 20 July 2020 - 07:24 PM

Need pics,was it rebored,ring gaps set,oil pressure,run at 2000 revs for 20 mins,overheated?

#3 jakepalmerd13

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Posted 20 July 2020 - 07:56 PM

you wont realy be able to see it in the pic sadly it did not come out, not rebore just hone ring gaps i am not sure on but can find out they are 21253 pistion that cam with rings. oil presure not sure as my swtich got damged but did see good flow to the head. did not over heat i ran reave from 2-3k to brake in the cam.



#4 Moke Spider

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Posted 20 July 2020 - 08:02 PM

Sounds like the rod is bent and / or twisted.

 

As a matter of routine, on every engine rebuild I do, at the very least, I'll check the Rods for being true, but more usually, if they are Serviceable, I'll have the Rods reconditioned.



#5 jakepalmerd13

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Posted 20 July 2020 - 10:07 PM

i will check funny as i sent them to a shop to get looked over and had the pins push in but they told me 1 of them was bad but notting about the rest.






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