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Old 07-22-2012 | 06:53 PM
  #8  
captinjohn
 
Joined: Jan 2002
Posts: 12,957
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From: Hesperia Michigan, MI
Default RE: what engine is this?

ORIGINAL: warbirdav8r

carb says 21-85 Walbro... Doing a c.i.d. formula of the internet, bore x bore x stroke x .7854 it comes to approx 5.0 cid. Hard to measure real good but I used conservative measurements. Dont have a clue as to brand though. Don't know how to get a muffler for it? Dont know what it is. Approx 40mm across the muffler bolt hole center to center..
Try the size like HD in front of that carb no...and use appplication chart.
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