How tall is a 454 stroke BBC block?

the comon longer than stock,bbc rod lengths available are 6.385″,6.585″,6.8″ BUT ,look a standard 454 bbc has a 4″ stroke, 6.135 rod and a 9.8″ deck so the pistons got a 01.665″ pin height the same block with a 3.76″ stroke crank from a 427 would use a 01.785 pin height, neither will work in a 4.25″ stroke 10.2″ deck block application

What to do with BBC 427 tall deck?

The specs for the 427 truck block are IDENTICAL in bore and stroke to the standard 427 with the expection of the block, and the tall deck is heavier as well. The crank and rods are also the same as a standard deck 427. On a production block, max safe overbore without filling is around .060″, and you can stroke it about 1/4″ max, but beware.

Which is taller a BBC or a BBC block?

here this calculator will help the standard BBC has a 9.8″ deck height, the TALL block has a 10.2″ deck thats .400 taller, so youll want to use standard 454 pistons to keep the cost low and make up the differance in connecting rod length for a better rod/stroke ratio.

How tall are the crank rods on a BBC?

crank rods. the standard BBC has a 9.8″ deck height, the TALL block has a 10.2″ deck thats .400 taller, so youll want to use standard 454 pistons to keep the cost low and make up the differance in connecting rod length for a better rod/stroke ratio.

How big of a stroker do I need for a tall deck?

I would look into putting together your own kit if using a tall deck. You can use the same pistons that a normal stroker kit would use (6.135″ rod) if you use a 6.535″ rod, plus this give you a better rod to stroke ratio.

What kind of pistons do I need for a 427 tall deck Stroker?

You can use the same pistons that a normal stroker kit would use (6.135″ rod) if you use a 6.535″ rod, plus this give you a better rod to stroke ratio. Get your crank (4.25″ stroke), pistons and rings for your overbore and the longer rod – that is basically what the factory did with the 8.1 ltr to get the rod to stroke ratio to 1.52.

How tall is the block deck on a Chevy Stroker?

For Chevy street enthusiasts, this is where the stroker world begins. A quick deck clearance calculation for any piston and rod combo is block deck height – ½ stroke – piston compression height – rod length.