What do you think the most HP someone should have for a street drive?

[Stangette]

R - you'll have to go with Unit5302 on the 400+ horses deal, - the whole syatem has to go in line with each other ie. brakes, suspension, frame strengthning and tires - when the system is built as a "together setup" - there should be no problem - need ZR cross tread type high performance tires, stabilizer systems, panhards, good springs and struts, and probably 13" to 14" two channel, 3 piston brakes ventilated.....like the ones coming out on the new Shalby500GT - actually, the new Shalby500GT is a good example of a performance design for 400+ hp.....i would have to do more study before i would jump into any design for that kind of performance - because making the right choices should make your ride streetable and a performer at the same time - hope this helps

[andy669]

500 RWHP from a N/A 306 is doable, but isnt going to be streetable. But, that depends on your version of streetable. My 306 that made 420RWHP with a limited selection of parts wasnt very streetable.

500 'streetable' RWHP from a 306 is easy, and can be done for around $17,000 including upgrading the drivetrain as well. A stock block will work just fine if the engine is tuned right. Saying that 500 RWHP is the limit for a stock block, perpetuates a myth that as soon as you see 500, the block is going to split. Thats not true at all. A stock block can take much more than that for extended periods of time, but you want to make sure the tune is right. Start detonating a few cylinders and you will have problems in a hurry.

Heres how I see it:

$4000 for a decent shortblock with stock cam
$1500 TFS TW heads, pushrods, rockers, and upgraded springs
$1500 TFS Street Heat intake, 80mm TB, Mass Air Meter, Power
Pipe
$800 Aluminum Flywheel and good clutch
$1000 AFM PMS
$500 72lb injectors
$2500 Vortech V2 SQ 6.87 lower and 3.33 upper
$1500 Tremec TKO
$250 FMS Aluminum driveshaft
$1000 Decent axles, Gears, Detroit Locker
$1500 Sumped tank, braided line, Eliminator pump, fittings, filter
$1000 1 3/4 shorties, 3" h-pipe, 3" catback

This combo will make around 490 with 93 octane and 20 degrees of timing. Put 100 octane and 25 degrees and if its put together right it will make 550.

Andy

[RAGE_5.0]

A friend of mine is in the middle of building a carbed 347 with afr 205's, and a solid roller as a daily driver. The best part is that its going to be a blow thru turbo setup that should make some big power. I have no doubt that it will be completely streetable and put down 600+ rwhp the way he will drive it to work and back everyday.

[FireFinder20]

Well, as long as they have 400+ 4 door sedans and 300 V6 imports rolling around, I'd say 500 is a nice round figure to roll with on the street IMHO...I would go with forced induction, though, only because it makes it more livable...

just my .02