CB Performance 69.5MM Stroker crank

[Ohio Tom]

I used one of these 69.5mm cranks on a customers 1915 build. (1928cc now). Worked out well. Ended up with .050" deck and compression ratio right where we wanted it. Real simple upgrade.

[NachoCar]

[Lingwendil]

They'll be fine on a 1600ish engine. Just jet them right and set the linkage up properly.
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73 super beetle thread http://www.thesamba.com/vw/forum/viewtopic.php?t=649622 Back on the Road!

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Need replacement filters for original Kadron aircleaners? WIX #42087 is a perfect fit, as is Napa Gold #2087!

[NachoCar]

Naw HPMX 40's......just weighing options of increasing while rebuilding or waiting till find second case and going larger then.

No biggie, just thinking out load.

Thanks

[Lingwendil]

[mark tucker]

so what crabs? what current displacement? I would rather over carb and engine than under carb it....also I woodent waste $$ on a .020 stroke crank when a 10+ mm stroke will cost about the same and worth what ever extras you may require.

[NachoCar]

My goofy predicament is that I found a 'Deal" on a set of dual carbs that are a little too big for my current displacement. I'm wondering if the mini-stroker and 88 mm cylinders would help me when combined with smaller jetting?

edit: so when used with 87 mm slip-ins we are looking at 1694, I reckon. Hhhhmmmm


Thanks

[jimmyhoffa]

It would change not much, except the 69.5mm one I got was twice as far out of balance as an untouched random OE VW crank. My 78.4mm a few months previous was just as bad. In the future if I can't justify counterweight for the application, I can't imagine buying one of these over finding a good stock crank and having it balanced.
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1974 Chenowth 2RL #1244 Street Legal
My other car isn't ridiculous.

[NachoCar]

What he /\/\ said !!??

[SparksLP]

Reviving an old thread: Anyone end up using this crank, any feedback? Also, If you put this in an otherwise stock 1600DP, what would change? HP? Torque? Basically nothing? Long term I plan on building a performance 1600 motor for a vintage class type setup, and it would keep the displacement below 1600cc! Let me know if you guys have any feedback!
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Tom
1966 VW Beetle Sunroof Sedan

[Paul.H]

Virtue signals received loud and clear. I was wondering if anyone would take that bait
I guess a game of Ping Pong is out of the question

[maplesyrup]

[Erik G]

[Ohio Tom]

[Paul.H]

[Ohio Tom]

[NJ John]

Now I have to memorize a whole new crank/cylinder displacement group. Lol
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1973 standard, yellow, lowered, 3” narrowed front, 1600 blo-thru turbo w/single dell 15.4@86, so far
11.41 et buggy. Long gone
Let’s go O’s! Let’s go O’s!
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[Ohio Tom]

I just built a motor with one.
Works well.
Easy mini stroker.

1928cc motor.

Why not....

[Paul.H]

All those "Ting Tong" forged cranks will take 35psi boost and nitrous . The 69mm obviously is the strongest even in the 4140 alloy would probably take 45psi and the lack of nitriding is a good thing in such an application.

[veedubcrazy]