>> Any recommendations on ESC's?
>
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>
> Runner from Team Associated
I may be wrong... but isn't the USA-1 a dual-motor monster truck?
If so, you'll need to move up the price range quite a bit for an ESC that
will work reliably.
I'd try eBay for a used Super Rooster from Novak.
They're currently selling from $50-$75...

Signature
Dirk
(aka "!bungle")
'96 LS650
(aka "Rhino")
"Well, you may be a lover but you ain't no d-d-dancer"