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B20b cam change 140-160 1969

posted by  Volvo From Heck on  Thu Aug 29 10:28 CST 2013
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last visit: Mon Oct 13 20:56 CST 2014
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Gary L wrote - "Dave - I recollect the '75 cars with manual transmission were supposed to have the D cam and the automatics had the K cam. Or vice-versa????"
That's also the way I understood to be--auto-K -- stick-D --. Maybe by the time I got to take those motors apart they'd already had a cam (or motor) change -- but I've yet to see a K cam come from any motor I've ever disassembled. The ex-Volvo line mechanic turned Indy I worked for always went for the D cam in any cam/lifter job or engine rebuild--unless the owner specified otherwise.
Because I knew I'd be driving my 144 (my first 140 - a '68 bought in '78 w/B18) in traffic and carrying a load of tools I opted for the better low end torque (so I'd been told) of the K cam when I did a B18 motor over - with ported 44mm intake carbed head. That car got rear ended - that block minus the cam and lifters went into another '68 for my daughter -- the cam/lifters and head went into my current (bought '88) '69 B20. Maybe I took a leap of faith - bought the cam from JCWhitney ($50 in 1990) - and the lifter/pushrod kit (on sale--also $50) from an upstate NY Volvo 122 fiberglass body panel guy. It's all worked out ok.
Finally had a chance to get back on track at Lime Rock last weekend. I'm hoping to be able to run EMRA's TT at Summit Point in the fall.
How has your season gone? -- Dave






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