Mofoco engine 66 vw corrections

[Abscate]

[bruceduykers]

Well..im waiting for Roy H. Re o on the 1600 engine...cant wait til new mechanic puts it in the 66..hope it breaks in well. Roy told me all what to do. All is good so far...will know in a week how the new “heart trnasplant “ will be.
Might sell it tho...ad im not a big yellow color...altho great finish. Bruce.

[iowegian]

[Sharp64]

[Cusser]

[Busstom]

[nelson845]

Sell it and buy a Toyundai.

[TDCTDI]

[Denny B]

[Tim Donahoe]

Sounds like Roy got a defective cam, and then the mechanic—or owner— began fiddling with it. Messing with the carb, perhaps installing plugs too loosely, etc.

Apparently, the owner rarely drove the car, so it took years for the real issues to become apparent. A new owner comes along—one who actually wants to drive the car—and here the adventure begins.

My only question is this: can an engine run with a broken cam?

Tim
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Richard O'Brien

[Pruneman99]

Only time I've seen a broken cam is when there was a catastrophic failure and a rod hit it but maybe one could break in another way.

[[email protected]]

Yeah, this is getting.....I don't want to even say it.

Obviously, My father(50 years) and me(30 years) have seen tons of failures. Here at Mofoco, we've collectively taken apart 15,000-20,000 engines. We have never seen such a neat and tidy broken cam. There was absolutely no other damage to the engine. Crank, rods, lifters, pistons and cylinder....all perfectly good.

This was an OE German reground cam(not like one that was reground 10 times, this one had plenty of base circle on it)

I really can't explain why it broke. I don't think it was all the mistakes that were made during and after the installation process. I think it was just completely random. I do believe the broken cam actually SAVED the engine because eventually the engine would have grenaded due to all the misadjustments.

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Cylinder Head Reference Sheet

[TDCTDI]

Is there any chance that something could have fallen through the distributor hole & lodged between the cam & crank gears? Maybe a piece of the fuel pump spacer that was soft enough to not scar the cam gear.
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[joey1320]

[slalombuggy]

[slalombuggy]

[Zundfolge1432]

I’ve seen a bunch broken just like that. Years ago a friend of mine traveled the US buying core engines which he would disassemble and sell cores. Most of the common stock worn cams went for scrap and he he got good at breaking them by banging against a table causing them to break just like that. Then steel went into one pile and the gear into aluminum mag pile, yes the steel flange was stuck because he never bother to drill out rivets. I think it’s quite possible to drop and induce a crack which turned into a break.

[iowegian]

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[Sharp64]