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Originally Posted by Cashburn
Should be more than that.... but 500hp is at the crank. As most engines are sold  |
Casbburn, you are a knowledgeable guy, how can you say that a 351 with AFR heads and a lopy cam will produce 500 plus hp even on an engine stand with the builders headers and no accessories? Maybe with a 150 hp shot of NOS.
Engine builders may sell them with crank ratings for HP and torque, but we all know (or should) that everything changes when we put on the cobra headers and mufflers and normal engine accessories. Then there is the power train loss, 18 to 20 %.
I stand by my 300to 350 number mounted in the BDR. Would love to have your customer share his dyno readings once everything is installed.
Then again I met a Cobra guy who was told a 500 plus hp number, but always had an excuse for not putting it on a dyno to find the real number.
Down deep inside he would rather believe (and boast) the 500hp number than learn the truth.