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Let's see....An 84 notch comes rolling into the local hang out. It has hubcaps, but definitely has a V8. The exhaust note gave that away. After the usual once over, any casual observer will notice that the car has 275 drag radials hiding behind the 15" hubcaps.
When you look inside, it all looks stock enough, yet dude is clearly hiding something.......
I say it about once every 60 days...........Sleepers fool nobody.
To build a N/A engine that could support a 200 hp hit of n2o, A nitrous car would hardly fool anybody. The additional engine modifications required to support your 500 HP goal would give notice to anybody that the engine was more than "warmed over".
Of the power adders, it does have a strong appeal as the car can be built fairly mild,... (350-400 N/A hp) and then "augmented " to your power goals with a push of the button. The stronger you build the engine the less nitrous it'll take to get there, but again come rolling up in a car that's cackling with a camshaft, and smelling like race gas, and has a C4 with a slippery converter......
Might as well turn your cards over now.
A turbo car built in the Grand National style is the one that might fool people (until they hear it during the burn out) Guys do it so frequently, it's almost commonplace to see a snail sitting somewhere in the RF corner of the engine bay. Given the same scenario, even if nobody hears the thing when it comes in, a turbo car gives itself away to anybody that has eyes and can see the A2A intercooler hanging where a radiator isn't supposed to be.
We don't even need to talk about a centri-supercharger.... The noise.
Just focus on building a nice car that's comfortable, and reliable. If you want it fast, build it fast. but again,...don't insult yourself into thinking that you're gonna fool anybody at a street race w/ a set of hubcaps