Need some specs for a GM Crate Engine

**Brandon559** · 09-02-2010

Just picked up a GM goodwrench Crate Engine Used. and I could really very much use some vitals regarding it. If anybody has the specs for :

Crate motor : GM Goodwrench Crate Engine
Casting code : 10066036
Front code : 1MD325
6VP (the D could b an O).

Any info about this Motor Specifically , please reply ASAP... thanks as always Brandon559.

**Nate @ All Out Performance** · 09-02-2010

Im pretty sure thats a bargin basement 8.5 to 1 350 target motor for pre 1985 aps.4 bolt main cast pisons and crank little .380 to .400 lift no duration stocker cam.,

**Kenny @ Smith Auto** · 09-02-2010

Originally Posted by Nate @ All Out Performance

Im pretty sure thats a bargin basement 8.5 to 1 350 target motor for pre 1985 aps.4 bolt main cast pisons and crank little .380 to .400 lift no duration stocker cam.,

Yep, also hecho in mexico with 76cc heads. These also came in 2 bolt mains.

**yelo04goat** · 09-03-2010

you guys really knew that off the top of your head???

**Brandon559** · 09-03-2010

Thanks for the response . you guys nailed it . I did a lil' research and it came back as 250 hp / 350 tq. and 249 hp / 304 tq. I think I might dyno test it to find out what my particular app. is running.