Animal rebuild

O

old99

Member
Just thought I would throw this out there. Haven't really done much engine rebuilding since the flat head days, we have been using engine we purchased from Baker Racing for my grandsons racing....with much success I must say. I have a bunch of animal parts laying around I have collected over the last few years. I am wondering what piston to cylinder clearance and finish is used in an Jr alcohol animal? I'm going to build one just for fun I guess and see how it turns out. TIA
 
old99 said:
Just thought I would throw this out there. Haven't really done much engine rebuilding since the flat head days, we have been using engine we purchased from Baker Racing for my grandsons racing....with much success I must say. I have a bunch of animal parts laying around I have collected over the last few years. I am wondering what piston to cylinder clearance and finish is used in an Jr alcohol animal? I'm going to build one just for fun I guess and see how it turns out. TIA
Click to expand...
.0025" clearance will work fine if you have a straight bore.



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Carlson Racing Engines
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Not building engines anymore, we sold BRE last year. But with regards to P to W clearance, .0025 is ok ( a bit tight ! ) and up to .006 would be considered max clearance.
We always considered between .003 and .004 to be optimum.
Steve
 
steve baker said:
Not building engines anymore, we sold BRE last year. But with regards to P to W clearance, .0025 is ok ( a bit tight ! ) and up to .006 would be considered max clearance.
We always considered between .003 and .004 to be optimum.
Steve
Click to expand...
Thanks Steve...sorry to hear you aren't building engines anymore we won many races with you engines. We are moving to lightening sprints this year so we may have a few BRE engines for sale here soon.
 
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old99 said:
Thanks Steve...sorry to hear you aren't building engines anymore we won many races with you engines. We are moving to lightening sprints this year so we may have a few BRE engines for sale here soon.
Click to expand...
Javin and Clair the new owners are doing a great job at BRE. They are as busy as I always was.
 
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