Rod length

[QWIKWE4]

What is the popular rod length setup for a stroked stage 2?

4in. bore and 3.625 stroke (153 block)

I was thinking a 6.5in rod would probably be the way to go to give me a 1.8:1 rod to stroke ratio.

Is there any clearance issues using a 6.5in rod?

 

[Chuck Leeper]

Probably want to check rod bolt to cam clearance, with that stroke.

 

[CTX-SLPR]

Also check your rings and crown thickness. I think the 6.5in rod put the pin in the oil ring.... but I'm running stock stroke and stock length rods so I can't commentate from personal experience. For a street motor though I'd try to keep the crown nice and thick and the pin out of the rings.

 

[Nashty]

Look what a stock rod length is and then ask if you need a rod that long. The reason you see that so much is those were common NA rods. That's too long for the reasons the physicist states.

 

[summit]

6.5 rod will get you into the pin and oil ring area. Not a big deal either way.

 

[TurboTR]

Probably want to check rod bolt to cam clearance, with that stroke.

"Better listen to him Flounder- he's pre-med!"

Yes, check it very, very thoroughly <ack>...

TurboTR