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Originally Posted by ERA Chas
While searching for info, I found this thread which touches on many of the points I'm looking for.
I'm an FE guy and need info on 385's for a Chev-experienced builder friend.
Would the experienced guys in this thread mind sharing the basics of bigger 385's? Specifically, iron block selection; what's out there and what's smart to do a 4.500 x 4.500 572? Frpp, Arias, OE? - quality counts. Can you recommend quality rotating components for this size? Obviously BT heads make sense but any other suggestions appreciated.
Not looking to do a Kaase-level engine but quality parts and experienced-based advice welcomed.
Thanks for any help.
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The most common builds are 4.30" and 4.50" stroke combinations - Readily available from most any manufacture. Bore sizes are generally .030" or .080" over, anymore and you're usually dealing with an A460 or Eliminator aftermarket block. Most stock blocks can go .080" and make a 557, the largest and most common big stroker.
FRPP relabels their cranks and rods, they're usually Scat's. Pistons are Probe pistons currently. For a street/strip type build we usually use a Scat Series9000 crank, Scat rods and Probe forged dish pistons - As an entry level. There are lots of brands available if you're specific to something but the above is probably the most common, and has been proven to be reliable. Depending on the heads there are a number of different valve reliefs - SCJ's, A heads, ect. so that is another variable you need to address. Diamond has a large selection to accomidate the alternative valve relief combo's.
SCJ's are great heads for a mild motor, A460's are usually our next step. BT's, Edelbrocks, and others are also available but the two above our usually our preference for mild or straight forward, easy builds.
If you have more specifics let me know but that should get you started on the general items...
Brian
www.Adperformance.com