Thread: 348 chevy questions

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I agree with Tech....

It all depends on how you plan to use the engine....I f it's in a light vehical and relatively low rpm's you'll be ok for a long time...

The heavier the vehical and the higher the rpm range then hardened seat should be in the future ( especially if you race it)...

as far as stainless valves....they are lighter and offer more flow and can only help you ....but can you justify the cost....I would use them especially if you old valves are of 2 piece construction...

as for the Tbi question...I would contact www.jetchip.com the have a 1-800 customer service number on there site and can give you the advice you need....

also how do you plan to put the TBI on there...A custom manifold?