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Something to think about...are you OK with the exposed 8-71, carbs, and the hole in the hood if you have to drive through a heavy rain storm during Dragweek? I don't know how light your Rampage will be, or how hairy the engine will be, but that 10.80 is certainly attainable w/o the blower.
If it were me building a car for DW, I'd instead go with a flat or cowl hood, build a mild 408, and add a small 150 shot of nitrous. It would be a more road worthy, reliable, all-weather friendly setup. Of course, if money was no object, I'd go the turbo/EFI route.

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I agree with Dave shoot it when you need it.

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Something to think about...are you OK with the exposed 8-71, carbs, and the hole in the hood if you have to drive through a heavy rain storm during Dragweek? I don't know how light your Rampage will be, or how hairy the engine will be, but that 10.80 is certainly attainable w/o the blower.
If it were me building a car for DW, I'd instead go with a flat or cowl hood, build a mild 408, and add a small 150 shot of nitrous. It would be a more road worthy, reliable, all-weather friendly setup. Of course, if money was no object, I'd go the turbo route.

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That was my concern... weather with a blower... but
I really think the blower would look cool.... I
expect the car to be 2800 with driver.... these are
the rules for DD class which is really the only class
I can fit in due to my health/license issue(cant
go sub 10.0 for NHRA) but 10.80 is the break for DD




* Daily Driver has no limitations on drivetrain or body modifications. Cars quicker than 10.80 are not allowed in Daily Driver, and e.t. slips quicker than 10.80 will not be accepted.
* Daily Driver entries are not eligible to win Drag Week(tm) overall.
* Throttle stops and bracket-racing electronics of any kind are not allowed.
* Daily Driver is based on an Open Comp format. Each car's five-day average e.t. will be used to determine qualifying position on a 32-car ladder for a bracket race on the final day of Drag Week(tm). At tracks with e.t. slips to four decimals, all four will be included; if only three decimals are on the e.t. slip, then the fourth decimal will be zero. The e.t. averages will be taken out as many decimal places as required to determine qualifying. Ties will be broken by average mph. The race on the final day will be a 32-car field on a Sportsman ladder (1 races 17, 2 races 18, and so on) and a 0.500-second full tree. Normal breakout and first-or-worst rules apply. Each car's dial-in for every round (the dial-in cannot be changed between rounds) will be the five-day average minus a tenth, so a weekly average of 12.20 gets a dial-in of 12.10; in the event that a car averages 10.89 or quicker, the dial-in will be 10.80. Any run quicker than 10.80 will be considered a "worst" and will lose the round. The bracket-race winner will be the overall Daily Driver Champ. In the event of a rainout on the last day, the winner will be the quickest car with the best consistency throughout the week. But there are also a lot of other potential prizes for Daily Driver racers, so read on.

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Seems the blower would be over kill for the power your shooting for, The w5s will get ya there with a little tweaking

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In the long run a NA car will be a better daily = "rain, snow, sleet, and dark of night" = driver.

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Depending on weight, the 408 CID and the W5 heads are plenty to run the 10.80 ET target without the blower. However, if you want the blower just for the novelty on the street and WOW factor, go for it.

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Jim the car w/driver should be 2800# or less... thats
the problem I'm having... the WOW factor would be
real cool... either way I'm sure I can go 10.0 BUT
the weather factor with a blower has me a little
concerned... the last drag week we went thru the
rain storm from hell... we should have pulled over
but didnt, we were down to 15 mph on the E-way but
so was everyone
The other thing with the blower is height... I dont
want the hat above the roof so I would need to do
some measuring... I'll try to keep the engine low
in the chassis but I can only get so low(I'll make
a custom oil pan) but I still need to worry about
road conditions... decisions... decisions

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Dumb question, but would turning the hat on the blower towards the windshield help in a ran storm?

In terms of reliability, adding the blower also gives you several more points of failure. Would you run any electronics to reference the timing curve to the boost or keep it simple and set the timing like normal? Also, I am going to assume the huffer would require two carbs and the N/A setup would be a Dominator?

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I thought about doing something like the turned around
hat(actually I was thinking a clamp on unit with a
couple of sweep back inlets aiming back and down)
to separate the rain and air.... right at the moment
I am leaning towards the N/A BUT I sure would like
to see the blower on it..... plus if I went blower
I would have to cut one of my old W-5 tunnel rams
to make the intake

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from blower base to top of carbs is 13".i am not sure how low you can cut the TR intake.it would be interesting to see how you would do the build on boost.have you no interest in a blowthru?

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I thought about going twin turbo but the 2 I have are
too small for a 408ci.... I decided I'll just go N/A and
try to keep the cowl scoop low for the street
driving... I know my scoop on the race car is a pain
in the butt driving in the pits

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Mike, I would leave it NA, I am quite sure with the proper selection of part's you can build a combo that will do exactly what you want.

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Really all I need is 525 hp if I come in at 2800#
but I would like to make some nice torque

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For whatever my opinion is worth, blowers to me always belonged on Gassers or Fuel cars; on street cars especially they look too blingy ("Lookatme, lookatme!").
The less blingy a fast car is, the more impressive it is to me, and a 10.80 Rampage is plenty cool in its own right.
I would think if you underdrive a blower, a reasonable CR would be less of a problem, if you want to play with it later.

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If I did go with the blower it would have been under
driven 5%... yeah I wanted something different but
its also something to look around all the time and
that does become a problem on the street but they
sure look cool... so I'm going N/A just to make
it simple... with 525 hp it should run 10.0 so I
can detune it or run a mech throttle stop for the
10.80 but with the rules I will only need to run
about 10.95 during the week and then the last day they
subtract .1 from the weekly average so I would have
enough left in it to pick up the pace

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Mr. P, don't forget pictures and/or video when you get it finished. I'm sure a lot of people here would like to see the finished product.

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Yeah the wife has been taking pics as I go along...
being that I was hunting for the last month I didnt
get anything done... I'm still in the cut it apart
process but should start the chassis in a couple weeks