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Discussion in 'High Performance Modifications' started by muscl car, Nov 27, 2019.
Have a 406 sbc currently
Yes I just built a 406sbc and happy with it but who can't resist more cubic inches . Also the hp and tq #'s are impressive for that 427sbc
I'm still researching cam profiles but the one I listed was recommended
Yep, I agree with you for the most part, but at what cost? no only monetary, but actual track performance gains for the added 1/4 inch stroke, not to mention longevity.
Don't get me wrong, the long arm gives you the TQ, but I have seen some "not so high mileage" 4 inch strokes looking worst for wear for the actual mileage. Going from a 1.6 to a 1.5 rod ratio does not look like much on paper, but it does take it's toll on the skirts/bores.
BTW, what did your 406 dyno finally dyno @. Did you try it at the track to see the ET/MPH performance and the gains from your original engine in your sig.
Never got around to running the 406 on the Dyno or at the track but the the throttle response on a couple test hits was impressive
I've heard about the issues with the longer stroke from the 427 and causing abnormal wear on the skirts and bores . But I'm only averaging maybe 200 -300 miles per year driving my Camaro
Ah ok, in that case your going to have a TQ monster tire burner, and if the CR ends up at 12.25+, for that little mileage, some nice race gas or mix is very doable.
I have my 406 ready to go except for a little quicky valve job it will hit the track this year.
Chuck, Just get a BBC 496......
Santa Clause coming early?...realize he's getting a little old...tryin to do EVERYTHING in 1 night takes a toll.