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Power diff between bb and sb pipes on 350


fbt551

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I put rockets on my 350 just to ride around while my oof were being repaired and it falls hard, even messed with the jetting. Big bore pipes are for big motors (10 mill +). I'll be selling my rockets in the next 2 weeks.

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Rockets are small bore pipes... They work best on ported motors with bores 68mm or smaller... From what Tom said they like higher port times too.

Edited by Zillaguy
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Rockets are small bore pipes... They work best on ported motors with bores 68mm or smaller... From what Tom said they like higher port times too.

They most definitely do like the exhaust to have a ridiculous duration. Short of upper 190's and you will notice a definite flat top end on them. Been thinking of messing with the stinger diameter to see if that can be fudged around or if it will also allow for use on motors with a bit more displacement.

 

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I'm running 196ex 128tr with Rocket R1's. The power comes on just into the midrange and pulls all the way to the top... Best mod i've done so far, except for the porting and 4 mill.

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  • 2 weeks later...

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