84stang

Here is the basic breakdown of my motor it is a 306 with AFR 165 heads, performer RPM air gap intake, holley 650 double pumper with a proform body. I have the full MSD 6a ignition system,comp cam, plus pulleys,headers,x-pipe,electric fan, and so on... The suspension is done and i run drag radials. So i was wondering what would be a good carbeurated supercharger would be for my motor? Also any input on what kind of cam would be best to run with it?

Thanks for the answers.<edited><editID>84stang</editID><editDate>37917.0257638889</editDate></edited>

vfast

I hate to be the bearER of bad newS but those heads are really small for S/C.. you needed atleast the 185's or your could pull them off and have this ported and have some bowl work or sell them and buy a set of 185 as I think they were close to being the same price...don't get me wrong here they really Aare good heads but really don't give you the full potental on an S/C WHICH ARE RATHER EXPENSIVE TO NOT ENJOY...I would just try a 75-125 shot of nitrous @ this point..and have some fun

mdvaldosta

I think the only superchargers available are the holley / wiend type 671 or 871 blowers, maybe Im wrong but thats what I think

jeep45238

I strongly reccomend you look at a nice turbo system (twins are better) for great boost response, MAINTAINED boost, flexability, "free" horsepower, and more torque than a supercharger could dream of.

Just a suggestion. Sometimes being different is an awsome thing.....this is one of those things.<img border="0" src=smileys/smiley2.gif border="0">

br93lx

Can't remember the issue of FF&amp;MM I saw it in but Paxton was showing off a centrifigal blower on a carb car. You might want to give them a call. I know there are several companies that make turbo kit's that will work with carbs.

mdvaldosta

Turbo would me much sweeter, I agree

vfast

yes the turbo would be a nice change

84stang

Ok Drinking and typing dont mix, i do have the 185 heads. Wasnt really thinking about it when i was typing. I bought those cause i read an article that said that those were the biggest you should go with, unless you have 347cubic inches or bigger. As for nitrous, ive had it and i have decided i want the power all the time. As for turbo i would like to do it, but i dont know all that much about them, or the price to do it. I also like the idea of having a turbo setup over the supercharger. Can anyone point me in the right direction on where to find more info about the turbocharging my 306? Or if you can answer a few questions. Horsepower difference? Difficulty to install? And how about reliability compared to a supercharger?

Thanks again guys for the help.

jeep45238

Reliablity is the same as a supercharged motor.

As for a horsepower difference....let's say you have a supercharged motor making 600 horses. Switching to twin turbos, keeping the same boost level and comparable CFM's, you can make an easy extra 100~200 horses just by effeciency gains alone.

For a direction as to where to find a turbo kit, just type in a Yahoo search for it worst case sincereo you modify headers at the collector to adapt for a turbo flange.

Gimmie a bit and you'll have a comparison between blowers, turbos, and n/a from Hot Rod Magazine

jeep45238

Battle of the Boost
Richard Holdener

Fans of the various forms of forced induction border on fanatical. Whether they fancy positive-displacement superchargers, centrifugal superchargers, or even turbochargers, their loyalties run deep. The Roots guys point to the immediate boost response and torque production, while the centrifugal guys counter with absurd efficiency numbers and huge horsepower.

Occasionally the two supercharger camps join forces and jump on the “turbo lag” bandwagon. The turbo contingent counters with the free-horsepower argument, adding that turbos can be sized to produce even better response than the mighty Roots. The centrifugal guys then jump on their high horse and point out the current popularity of combining their system with the modern fuel-injected engines. The turbo guys chime in and remind everyone about the golden age of Formula One, when 1.5L motors topped 1,000 hp. The Roots fans attempt to close out the argument with the granddaddy of all power producers, Top Fuel motors, never of course admitting that other forms of forced induction are prohibited in the class.

So it goes, each side taking shots at the other rather than recognizing and embracing all the merits and shortcomings offered by each system. We’re here to research those traits.



~The Players~

I’d like to start off by congratulating the three companies who demonstrated the moxie required to agree to this comparison of a Roots blower (Holley), a turbo (HP Performance), and a centrifugal supercharger (Paxton). Comparisons in nature are generally ill advised and often shelved due to the very nature of competition. The problem with competition, even one designed to demonstrated nothing more than simple boost pressure and therefore power trends, is the entrants are labeled as either winners or losers.

The reality is that, if viewed alone, any of the three forms of forced induction presented here would appear as heroes. How else could you describe something that adds 150 hp and every bit as much torque? Viewed against the normally aspirated power curves, we would all be praising what turned out to be the low man on the force-fed totem pole in this comparison. Now, on to the test.