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MAKE SURE YOU ASK!!!

I bought a crank, pistons and rods with rings and bearings from Scat last summer. I asked them if I should have them balance it or have my own balance done.

They went on to tell me how great their expensive balancing machine was, how experienced they were, how they balanced crate motors for mopar and all these big named drag racers etc.

So i said GO AHEAD.

When I got my kit, the pistons (KB) were STILL wrapped in factory plastic. No attempt was made to make them all the same weight.

Same with the rods. No grinding on big or small ends to match them.

So I got curious and weighed them. They were off +/- 5 grams on the pistons alone. I was pissed and called scat. got into a big argument as they were telling me they did it right and that 5grams doesnt matter and what do i expect for $150. I said, I didnt sset the price- you did. I expected it to be done right.

I did a charge back on my credit card for the cost of the balance cause they would NOT refund my money.

I got it balanced at a local shop. I too am a big fan of balanced motors



And AARs was not an isolated case. I called Scat and asked about their balance and they said they "guaranteed" it would be balanced. The local shop I took my Scat Stroker Kit to "required" that I have it rebalanced anyway and it was WAY off. Just like AARs, none of the pistons or rods were equaled out and the crank was like 17 grams off. My engine is now running in the car and its silky smooth going down the road probably due to the precise balance job done by the local shop.

If you can afford to get it balanced that would be the way I would go.