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Author Topic: Mystery motor - how do I find out what cam is in it?  (Read 3907 times)
Martin S.
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« on: June 18, 2018, 21:49:42 pm »

A friend got a (looks like vintage) basket case of a motor and wants to build it back up. It came with Dell 40's, 94 cimas, CB044 semi-hemi cut heads yet the bottom end looks stock. The short block is together still. Looks like maybe a rebuild that was abandoned in progress.
Can I pull the oil pump to see what cam is in there, or is it easier to mock it up and start measuring, thanks!  Tongue
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Cal Look white 68 Bug with AJ Sims EFI Turbo 2332. 194hp 240tq @ 5500 rpm 3psi boost.
andrewlandon67
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« Reply #1 on: June 18, 2018, 21:53:20 pm »

I'd pull the oil pump first, then if there's nothing there, break out the dial indicator!
Good luck!
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14.877 @ 88.85 mph

My car is what it is, maybe not Cal Look per the books, but it's more than most.

"Walking Softly and Carrying a Big Fucking Stick" - Zach G.
Martin S.
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« Reply #2 on: June 18, 2018, 22:55:17 pm »

Thanks! He wants a budget build, sweep the floor and slap it together as best we can for low bucks (buggy guy). If it's a stock cam still in there I was thinking of adding some chinese 1.4 ratio rockers and call it a day. Good enough, or should I tell him the stock cam has to go?  Cry
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Cal Look white 68 Bug with AJ Sims EFI Turbo 2332. 194hp 240tq @ 5500 rpm 3psi boost.
modnrod
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« Reply #3 on: June 19, 2018, 01:10:49 am »

Stock cam and 1.4s is about the best you can get under 4000. Other cams will match it or maybe, perhaps be 1 or 2 hp better, but if the bottom end is good then it's not worth splitting it for for the money I don't rekn.
Good heads and it will pull a sailor off your sister to 5000.
Superstocker stuff, great for offroad grunt, he'll be happy.
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Martin S.
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« Reply #4 on: June 19, 2018, 16:44:45 pm »

haha thanks! I've only seen pics so far, but it's a bit of a head scratcher. There's no oil pump on it (why?) so we can see the cam and it says 4062 which is the classic Bugpack equivalent of a 110 which is cool! But since it's a short block we can see there is no counterweights on the crank and only 4 dowels (no flywheel). Should go together and run fine I think.
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Cal Look white 68 Bug with AJ Sims EFI Turbo 2332. 194hp 240tq @ 5500 rpm 3psi boost.
Martin S.
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« Reply #5 on: June 19, 2018, 17:14:15 pm »

Has anyone put together a motor recently with those old semi-hemi cut Berg style heads? What deck you running and how did the engine like your setup. I remember years ago, my builder was wondering what to do with them and suggested some dome pistons which would be awesome.
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Cal Look white 68 Bug with AJ Sims EFI Turbo 2332. 194hp 240tq @ 5500 rpm 3psi boost.
Brandon Sinclair
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« Reply #6 on: June 19, 2018, 18:16:42 pm »

Contact Joel Mohr-he runs them with lots of compression not the lower compression that they were originally marketed for VWs.

http://www.mohrprf.com/
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Martin S.
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« Reply #7 on: June 19, 2018, 18:35:58 pm »

Thanks! There's only one way to get higher compression from those heads  Grin
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Cal Look white 68 Bug with AJ Sims EFI Turbo 2332. 194hp 240tq @ 5500 rpm 3psi boost.
Neil Davies
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« Reply #8 on: June 19, 2018, 21:42:27 pm »

Ive got a pair of semi-hemi heads under my bench too. Still on stock cylinder size so could possibly lose some of the dish if I took them out to 94mm.
I seem to remember the motor ran well but hot. It's been a while...
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2007cc, 48IDFs, street car. 14.45@93 on pump fuel, treads, muffler and fanbelt. October 2017!
Martin S.
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« Reply #9 on: June 19, 2018, 23:12:56 pm »

Yes mine ran hot too. I'm wondering what kind of CR I can expect with as small a deck as possible.
I'm not sure if these are ported? Take a look at the pic and see what you think.
It came with bolt together rocker shafts, but stock looking rockers with stock adjusters.
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Cal Look white 68 Bug with AJ Sims EFI Turbo 2332. 194hp 240tq @ 5500 rpm 3psi boost.
Martin S.
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« Reply #10 on: June 26, 2018, 21:29:50 pm »

Can anyone give me a guesstimate of the volume of the semi hemi 94mm chambers shown above please?
The barrels need trimming down and I wanted to ballpark a CR using zero deck.
Thanks! Grin
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Cal Look white 68 Bug with AJ Sims EFI Turbo 2332. 194hp 240tq @ 5500 rpm 3psi boost.
modnrod
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« Reply #11 on: June 27, 2018, 01:25:35 am »

Free shipping! 10% off! Just down the road from you ........  Wink

https://www2.cip1.com/ProductDetails.asp?ProductCode=C26%2D000%2D137

And because as little as 2cc can change the comp a lot, and you'll measure it properly now, my guess at CC's for the jelly bean jar is 56.4cc.
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alex d
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« Reply #12 on: June 27, 2018, 08:31:44 am »

my bet is 57,3  Cheesy
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Martin S.
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« Reply #13 on: June 27, 2018, 22:25:15 pm »

Aw cmon, the new augmented reality app on the iPhone can give dimensions of an object  from a pic so why not volume?
My bro in law said they look heavily flycut.
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Cal Look white 68 Bug with AJ Sims EFI Turbo 2332. 194hp 240tq @ 5500 rpm 3psi boost.
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