Supercharger upgrades

[mjr46]

So here at the first of the year with tax returns and hopefully the sale of my 92 ,I hopefully will be in the position to get a supercharger for my 89 vert, It's not an "if" but when, I 've been researching the kits out there and it comes down to vortech or paxton, I've been more so entertaining the idea of paxton's SL series/ self lubricating design so as I won't have to tap into my oil pan = not a huge fan of the potential metal droppings getting in there, anyway here is the kit http://www.summitracing.com/parts/PAX-1001831SL/ I'm not looking to get tons of boost out of this ride to start 5-6 psi is fine so as to work with my current fuel system, however as fund become more readily availible I'd like to be able to go to 8-10 in the future, SO my question is, does anyone know if all I'd have to do is a pulley swap to achieve such on this kit??? Also does vortech offer a self lubricating set up??? if so any links??

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[FivePointOhh]

i cant answer your question, but i noticed you talked about fear of metal shavings dropping into the pan. when Bill did his turbo build he had the same fear...so what he did was use a small punch, punched through the metal and then stepped it up until he get his 3/8 hole or however big it was. no metal shavings and he achieved his goal of tapping the pan without shaving fall in too cause all he basically was doing is tearing the metal like a can opener.

[NoGo95GT]

It looks like the basic kit and I think it is a 6-rib set-up versus an 8 rib. The more rubber contact = less belt slip once heavy boost comes into play. To make any decent boost, an 8 rib setup, 2.95 SC pulley and a UPR powerpipe($130) will net you around 14-17psi even with aftermarket heads, cam and intake. It's what I have. By adding an AFM powerpipe (identical to the UPR) I picked up 6-7 psi. Also, Vortech owns Paxton so they are both high quality units. My little S-trim screams @ 15psi and sounds like a jet at idle. Now I am not sure if you want used, but I bought my kit here and htye usually have some killer deals. http://forums.corral.net/forums/forumdisplay.php?f=273 I recommend it to everyone, but I really like what they have! I got my Vortech w/3000 miles w/the 2.95 SC pulley for $1950 shipped. They retail for around $3000 NEW I believe.
Oh, for my tapping the oil pan, I used a punch and slowly built my hole to the 3/8 hole(I think that is what the size was). I had a magnet handy and stopped every few seconds to remove the shavings. Drained my oil and added fresh oil. Too me any hour 1/2 to tap for precaution!

Edit: Just checked, the Low boost system does not come with a bypass valve and uses a smaller supercharger, 1220 vs the 2000. But the 1220 is capable of making a lot of boost! But you will NEED a bypass valve

[mjr46]

Originally Posted by NoGo95GT

It looks like the basic kit and I think it is a 6-rib set-up versus an 8 rib. The more rubber contact = less belt slip once heavy boost comes into play. To make any decent boost, an 8 rib setup, 2.95 SC pulley and a UPR powerpipe($130) will net you around 14-17psi even with aftermarket heads, cam and intake. It's what I have. By adding an AFM powerpipe (identical to the UPR) I picked up 6-7 psi. Also, Vortech owns Paxton so they are both high quality units. My little S-trim screams @ 15psi and sounds like a jet at idle. Now I am not sure if you want used, but I bought my kit here and htye usually have some killer deals. http://forums.corral.net/forums/forumdisplay.php?f=273 I recommend it to everyone, but I really like what they have! I got my Vortech w/3000 miles w/the 2.95 SC pulley for $1950 shipped. They retail for around $3000 NEW I believe.
Oh, for my tapping the oil pan, I used a punch and slowly built my hole to the 3/8 hole(I think that is what the size was). I had a magnet handy and stopped every few seconds to remove the shavings. Drained my oil and added fresh oil. Too me any hour 1/2 to tap for precaution!

good stuff...I actually have a pan with the fitting already in it at work, I just don't want to remove the current pan nor deal with tapping so I figured the paxton SL unit was the best bet......Initially I'm fine with a 5-6 psi kit, I don't wanna push this car to 14-15 psi, it already has a full h/c/i and rebuilt bottom end and makes decent power, just looking for a little extra umph.....eventually I wanna upgrade to bigger inj/fuel system and wanna hit 8-10 psi, so I'm just wondering if I can achieve such with this kit by just changing the pulley in the future

[mjr46]

yeah I've read about needing the mondo bypass valves to prevent surging on decel from the supercharger when making above 6psi, so at first I wont need it but eventually yes, thanks!!1 keep the good info coming, this is my first venture into the s/c world

[NoGo95GT]

Originally Posted by mjr46

yeah I've read about needing the mondo bypass valves to prevent surging on decel from the supercharger when making above 6psi, so at first I wont need it but eventually yes, thanks!!1 keep the good info coming, this is my first venture into the s/c world

The pulley swap will net you good gains. With an untight belt, I made 7psi w/the 2.95 pulley(the belt just wobbled there). After tightening it I made 9psi. Also you do not need a fancy bypass valve. I use the stock, plastic $80 Bosch unit and it works great even with my 15psi.

[mjr46]

^^^do you think the paxton sl series will be a decent one to go with??

[NoGo95GT]

Originally Posted by mjr46

^^^do you think the paxton sl series will be a decent one to go with??

I have heard great stuff about Paxton. But personally, I would go with Vortech. From my experience so far, it has been great. My cousin(in the mid 90's) used a Vortech on his 87 5.0 and ran 10.3's with it. But since I have not used a Paxton, I can not give any positive/negative remarks about it. I think the Vortech's are also a bit cheaper as well. Vortech makes a self lubricated V3 unit as well. But trust me, you'll be happy with either one!
Right here: http://www.summitracing.com/parts/VOR-4FA218-010L/

[mjr46]

how do you know that the v-3 is a self lubricated one?? I didn't see it mentioned??...heck if it is the price difference would sway me to vortech, only reason for the paxton choice was SL type...also the v-3 can later have a pulley swap to up boost correct??

[NoGo95GT]

http://www.vortechsuperchargers.com/view.php?pcat=26 And yes, all you need to do to add more power is to throw on a smaller pulley. The stock one is HUGE! 3.60 or 3.33.