New engine with broken con rod

[Tim Unruh]

Hey Group. I'm working on a 91 sycone.I just pulled out a new short block with a blow rod. Before i send it out to the machine shop i'm trying to find out if it was the wrong sort block and if this one can be built with stronger rods, pinstons and maybe the crankstaft.also the onwer just purchase the truck so he's no help. Thanks Tim

 

[Tydriver]

General rule of thumb......

Forged Pistons and Connecting Rods....

OEM crank is fine past 500+hp
OEM block is fine past that also..

Upgrade those two for reliable setup.. I'd also suggest splayed main bearing caps (for the crank, turns into a 4bolt main instead of 2)

Those really are the shortcomings on the lower end...

Depends on yer goals really but the forged stuff takes abuse and is overall more forgiving..

If its never to be raced or seriously tuned then I've heard of peeps updating to L35 rods and forged pistons....

Whatever yer intentions are, depends on goals.