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Offy 220/270/midget 3-bolt Replacement Gear-tower Breather Left Side Scta on 2040-parts.com

US $150.00
Location:

Greenwood, Missouri, United States

Greenwood, Missouri, United States
Offy 220/270/Midget 3-bolt replacement Gear-Tower Breather Left Side SCTA, US $150.00, image 1
“2 available Assembly is new but composed of used fasteners”
Brand:purpose-built component Surface Finish:as cast & machined surface Manufacturer Part Number:replaces Meyer-Drake OEM #270-311 Country/Region of Manufacture:United States

Here we have a Breather assembly for Offenhauser, Meyer-Drake, & Drake/Offy racing engines. Facing the front of the engine, the Breather installs in place of the 3-bolt Cam-End Cap on the right side of the Gear Tower.


Unlike originals, this Breather dis-assembles for cleaning and permits packing with copper/bronze-mesh inside the Breather body to extract oil suspended in the vapor escaping from the crankcase. The rear of the Breather is counterbored about .070" deep then drilled & tapped 10-24 on 1.062" centers.


A purpose-built Baffle (retained by safety-wired drilled-fillister-head screws) needs to be manufactured to capture the copper/bronze mesh, if used, inside the Breather body. Neither Baffle nor mesh is supplied and is left to the buyer/builder's discretion. Original Offy Gear-Tower Breathers were one-piece castings with fixed internal baffles.


The 2 studs, 2 nuts and 6 washers are used 4130 OEM Meyer-Drake and Drake items I've acquired through the years. Breather bodies & tops were new un-machined castings out of an estate sale. I acquired them earlier this year and suspect they were an effort to maintain an inventory of replacement parts for an owners' stable of race cars. Images show 3-bolt left-side and 4-bolt Breather on a 159 Turbo Offy Gear Tower. All Breathers are the same with minor machining differences due to open-setup methods used to produce them. Permanent tooling fixtures weren't made to machine these Breathers.


NOTE: Castings are not anodized or coated in any way. Questions about this item will be answered promptly.


 

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