autodoctor911

I am tying to build a cheap short block for good power and torqe up tp 6500, maybe 7000 rpm. I am limited to 362 ci, so a 3.9x4.0 is out of the question.
I can use a .010 over 5.3 bore(3.789or96.25mm) and a 4" crank, or a .060 over 3.84 piston with a 3.9" crank. or a 3.91" bore with a 3.75" crank.

my questions are:

where can I get a piston/rod combination to fit a 4" or 3.9" stroker crank in a 3.789" bore ore a 3.82" bore?

will a stock hieght piston with a 5.9 rod fit the 4" crank?
or a 6" rod and stock piston hieght with the 3.9 crank?

or where to get the stroker pistons for the smaller 5.3 +.010",.25mm, and +.060,1.5mm oversize bores?

or where to get a 3.75" stroker crank?

or where to get shorter rods for the stock piston hieght with stroker crank?

and also, how far can the L33 block be bored? is 3.91" doable?

JS01

iTrader: (10)

Wiseco has some shelf pistons for this IIRC.

autodoctor911

thanks, I do see them on wiseco's site now, but couldn't find any at the vendors that sell them. I guess most people go ahead and bore them all the way out to ls1 sizes. I would do that, but I am trying to buid a 362ci engine that has a pretty long stroke and fairly short rods. I would like to be able to get like a 5.9 rod on a 3.9" stroke and a 3.84(.060 over). I want the shorter rods to pull harder on the intake for the restrictive 650cfm carb rule and 7000rpm limit. Maybe I should get some small bore dorton modular integtated deck liners and deck the block to a very short deck hieght, and drill and tap deeper head bolt holes to get a short deck LS1. has anyone done this already.

JS01

iTrader: (10)

Any Wiseco dealer can get them. I don't really see how you will do this build for cheap since it would require some custom parts if you want to do it right. The cheapest combination I can think of (that may not even work) is running the shelf 3.780 Wiseco's for stock stroke (1.300 CH) with your 5.900 rod and a 4" crank. You could do that at a 9.200 deck height at 0 deck, or leave the deck a little taller if you need the piston in the hole for lower compression.

Sounds like a fun project either way, keep this thread updated with what you do.

racer7088

No 4.000 cranks are cam cut for a rod that short so that would be custom deal. We have done the 4.000 / 3.780 though and its no problem plus you can also bore that 4.8/5.3 block to 3.900 usually if you want as well.