1904 ways of building it ?

djvw1969 · Post by **djvw1969** » Fri Sep 18, 2015 9:01 am

I'm interested in building a 1904 VW engine. I've seen two ways to do it. First is to use A pistons and a short 5.325 rod. Second is to use a B piston and long 5.500 rod. Which would be the most beneficial to an engine with stock valves, Engel 110 cam, 8.1 compression ratio in a stock bug?

66brm · Post by **66brm** » Fri Sep 18, 2015 11:43 pm

Either provided you keep a tightish deck height, you won't feel the difference

craigvwdude · Post by **craigvwdude** » Sun Sep 20, 2015 9:19 pm

I did it once with "A" pistons. If I'd ever do it again (I wouldn't) I'd use "B" pistons and a longer rod.

djvw1969 · Post by **djvw1969** » Mon Sep 21, 2015 7:51 am

Why wouldn't you build another 1904 ?

Chip Birks · Post by **Chip Birks** » Mon Sep 21, 2015 8:19 am

They only cost a small amount less than a 2276. You pretty much only avoid case clearance work, and end up with a motor that is wider, making less power. Besides, I'd way rather putt 94s on a 69 stroke, and get the option of running big heads on the motor.

Ol'fogasaurus · Post by **Ol'fogasaurus** » Mon Sep 21, 2015 8:51 am

A longer stroke usually gives a bit more torque or so it has been said.

craigvwdude · Post by **craigvwdude** » Fri Sep 25, 2015 5:24 pm

A 1904 is a waste of time unless you already have the parts. If you do, I'd say go for it. If not, use a 82mm crank and be done with it. Much easier to build.

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1904 ways of building it ?

1904 ways of building it ?

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