ENGINE SIZE.... How close is too close?

[Dynoroom]

I would hope they'd have some kind of allowance for measurement error, 1/2% maybe?   That's 5cc's on a liter.  Piston flatness, piston rock, deck flatness, positive deck height, bore roundness, variation of bores, and measure tool resolution & accuracy can all come into play.  I think it falls under common sense though.

Actually Pat they do. You can't be over "X" displacement. It's simple, build your engine to be under the max. If they don't know how to do that (build the engine in tolerance) maybe they shouldn't be doing it.

[desotoman]

What kind of car motor is this that is that close to the limit?

Tom G.  

[McRat]

I'm one of those fools.

We got the biggest crankshaft we could find, and the biggest pistons, and when you stick them together, it's 1.5ci over the disp breakpoint, 441.5ci. 

Sure, I could have run smaller pistons, but what fun would that be?

[Milwaukee Midget]

I think 4 Barrel Mike posted this pic a few years ago of tech checking volume with a pump.

[Stan Back]

And that's Jimmy Six doing the job.

[SPARKY]

Where was Tonya???

[jimmy six]

Yes that's me and it was BT....before Tonya....One of the few I could do standing........................JD

PS: might be Jim Brierley in the white pith helmet...not sure on that....Big banger guy

[4-barrel Mike]

Yep, that's Brierley.     The year was 2005, definitely BT.

Mike

[Stan Back]

"Big banger guy" -- also a big 4-speed Hydro guy.  Saved mine years ago.

Stan