[Tazz3069]

Originally Posted by oldman

What type of driving, are your ever going to race the car? AutoX, road race and or Drag? What type of street tires are you going to run.

Assuming you are Joe Average and going to run the stock rim size and normal 200+ wear tires, all superchargers will easily exceed the traction limit of the tire period.

How much money do you want to spend, all superchargers will easily go over the limit of the LT1 fuel system. LT4 pump and LT4 injectors are about $1600 and even then I think the systems on the market can exceed these flow rates.

I went with a D1X Procharger good to 1000 engine HP, stage II intercooler:
1) about 10 lbs or so lighter than a PD
2) super simple to install
3) it gave me enough head room from stock motor to forged engine with cam and ported heads. So 600 to 1000 engine.
4) I knew that the $3500 injector cost would limit my budget for a while (needed to get above 800 to 900 or so engine HP) so I did NOT consider the F1.

I was close to doing a LT4 upgrade, like the look and the OEM engineering, but the Procharger since I knew I could do it myself, basically swung the deal. I pretty sure I could tackle a maggie / Edelbrock install now. But for my first time, I was a little leery. Also you have to think the LT4s are left over from the guys going PD aftermarket for the most part.


If you are doing drag racing there are others here with advice, but you need to say what timeslip you are shooting for.

I pretty much want the power when needed. Once in a while, some buddies of mine and I go to this track in Nevada and have a little fun. Its a road course track.
Tires, I am running Michelin PS4 285 30 R20 in the front and 305 30 R20 in the Rear.
If I went ProCharge, I was thinking the P1X system with the stage 2 Intercooler.
I have a Tuner in Calif that will do all the Tuning and Dyno for me.

[KingLT1]

Originally Posted by Tazz3069

A8

You could go either really...with a Centri, I would opt for a higher stall converter. Both the Magnuson 2300 or Whipple 2.9 will do well as they both are easily 9 second capable superchargers. The Exorcist ZL1 uses a Whipple and has been 147mph in the 1/4. The Maggie has been 145 on a built SS, so both very close...go with whatever unit you can get the better price on and put the savings toward fuel system upgrades.

[oldman]

instant power would be a PD, it will not be faster street, autoX or road race, but the power is more instant. I would not run more than 6 PSI on a road race or autoX till you get forged pistons or at least increase the ring gap in the stock piston.

Also I want to clarify "instant power", the Centri is moving air at RPM, so it is NOT a turbo that is exhaust flow dependent. Put it this way 1st gear you floor it, the Centri is moving air as if it were already in WOT conditions, that air is being bled off by the BOV, the BOV will close quickly ( fractions of a second) and the "boost" will be entering the TB / intake manifold. With my HUGE pulley (low boost) it is .25 to .5 seconds before my boost gauge sees the 2 or 3 PSI of boost and the tires are breaking away. This is the ONLY condition where one can feel there is not "instant power". For instance, shifting 1st to 2nd the Centri is putting out more boost and power than the street tires can hook to the ground. So yes a PD will at a certain RPM say 3500 RPM in gear offer some slight (fractions of a second) boost / power over a Centri, after which , on street tire, it can't hook and you are feathering the throttle. WOT is not usable on my 4.5 pulley (ultra low and slow boost) D1x till into 3rd gear street tire, clear dry road. I have PS4s. A 4.0 or 3.75 pulley is going to be moving much more air much sooner.

With my E85 tune (as soon as lingenfelter will ship me the pump due LAST YEAR). I would anticipate even more need to be careful with the the throttle at an legal speed.

[Drsagacity]

Originally Posted by oldman

instant power would be a PD, it will not be faster street, autoX or road race, but the power is more instant. I would not run more than 6 PSI on a road race or autoX till you get forged pistons or at least increase the ring gap in the stock piston.

Also I want to clarify "instant power", the Centri is moving air at RPM, so it is NOT a turbo that is exhaust flow dependent. Put it this way 1st gear you floor it, the Centri is moving air as if it were already in WOT conditions, that air is being bled off by the BOV, the BOV will close quickly ( fractions of a second) and the "boost" will be entering the TB / intake manifold. With my HUGE pulley (low boost) it is .25 to .5 seconds before my boost gauge sees the 2 or 3 PSI of boost and the tires are breaking away. This is the ONLY condition where one can feel there is not "instant power". For instance, shifting 1st to 2nd the Centri is putting out more boost and power than the street tires can hook to the ground. So yes a PD will at a certain RPM say 3500 RPM in gear offer some slight (fractions of a second) boost / power over a Centri, after which , on street tire, it can't hook and you are feathering the throttle. WOT is not usable on my 4.5 pulley (ultra low and slow boost) D1x till into 3rd gear street tire, clear dry road. I have PS4s. A 4.0 or 3.75 pulley is going to be moving much more air much sooner.

With my E85 tune (as soon as lingenfelter will ship me the pump due LAST YEAR). I would anticipate even more need to be careful with the the throttle at an legal speed.

The fast list sure paints a different story. Maybe you are the one who will change it. It is true you need sticky tires.

Looking forward to a d1 in the top 10.

[PRAY]

I have been 9.70's with a P1X in a full weight 2SS in +2,500 DA. So they work.

[D K]

If you plan on doing ANY track work, PD will not work.
They heatsoak like crazy and you will be able to 3-4 hard laps.

Centri will come on later and doesn't have this crazy tq off the bottom, but it's also better for coming out of corners and easier to manage wheel spin.
No heat soak and install is much easier and allows to use better intakes if needed.

[oldman]

Originally Posted by Drsagacity

The fast list sure paints a different story. Maybe you are the one who will change it. It is true you need sticky tires.

Looking forward to a d1 in the top 10.

Not me, I would have ordered an auto if I was going to 1/4 mile the car. My car is and lives in the wild (aka the backroads of Texas). Lots of active wildlife out here like Hellcats and Mustangs... Sure I hear all the time about the xyz 10 second car. All I can say is in the wild my Camaro has eaten everything it has found, so I 'm not worried about some cage entertainment that can do a 1/4 at a time...

[oldman]

Here is the fast list:
1 and 2 are Procharger
3,4,5 are maggie
6 is a TT
7 is a maggie
8,9,10 are Prohargers so that would mean 50% of the fast cars are Procharger including the two fastest.

The fastest street tire bolt on is a 10.805 that is NO2 BTW
The fastest and quickest blown car on street tire is actually a M6! Jhunsberger 10.871@129 MPH that is a whipple.

Some stone stock ZL1 are real close to this on street tire (10.943 @ 128.3 MPH). The conclusion would be that for street tire, it is HARD to be an A10 LT4 stone stock. That DR are needed to do better, which my own traction issues would indicate.

[laynlo15]

I figured there would be some whipples, but they are further back. The P/D prochargers series are more like the Maggies and F prochargers are in their own zip code at this time. Hopefully we will have some 2650's this year that are competitive with the two front runners. Our white car has been 9.15@154 but Mike has never posted the time slip and that was launching in 2nd gear, never could hook the car in low.

[KingLT1]

Originally Posted by laynlo15

I figured there would be some whipples, but they are further back. The P/D prochargers series are more like the Maggies and F prochargers are in their own zip code at this time. Hopefully we will have some 2650's this year that are competitive with the two front runners. Our white car has been 9.15@154 but Mike has never posted the time slip and that was launching in 2nd gear, never could hook the car in low.

Whipple powered ZL1 has been 9.5 @ 147 short shifting 2 gears.

[18ss376]

If you run a 9.99 e.t. or faster plan on adding a roll bar & using SFI parts.

[MR 45TH]

Originally Posted by PRAY

I have been 9.70's with a P1X in a full weight 2SS in +2,500 DA. So they work.

That’s amazing!!

[laynlo15]

Oldman only listed the SS so I hadn't looked at the Zl1 list. Great pass for sure but didn't see that on the Zl1 fast list either. He should post it.

[Drsagacity]

Originally Posted by oldman

Here is the fast list:
1 and 2 are Procharger
3,4,5 are maggie
6 is a TT
7 is a maggie
8,9,10 are Prohargers so that would mean 50% of the fast cars are Procharger including the two fastest.

The fastest street tire bolt on is a 10.805 that is NO2 BTW
The fastest and quickest blown car on street tire is actually a M6! Jhunsberger 10.871@129 MPH that is a whipple.

Some stone stock ZL1 are real close to this on street tire (10.943 @ 128.3 MPH). The conclusion would be that for street tire, it is HARD to be an A10 LT4 stone stock. That DR are needed to do better, which my own traction issues would indicate.

The first two are F1 blowers...different class entirely. So, you are saying the Maggies are faster than everything other than the F1. Got it. That's not what you had posted. In fact, you said the Maggies would get more early but " it will not be faster street, autoX or road race, but the power is more instant."

That is clearly fallacious since all of the top times you mentioned were either Maggies or F1's.

Pray may have one to add and same with Mike. But, going off what has been posted...my point is that your statement is completely wrong.

Now, I have owned multiple Prochargers so this was in no way a rip on the Procharger. But I really, really hate it when people with absolutely no real standing make statements like that.

Prochargers work, no doubt about it. But if you are comparing base kit to base kit running let's say under 600whp. Good luck with that. I know because I was getting smashed with my P1 all day long by mustang guys running the PD blowers. I eventually got things worked out so I could be really competitive. . .but to act like the PD blowers are never faster...well, like I said, the Fast list speaks for itself.

In my opinion, taking a F1 blower running NOS is NOT the comparison anyone here was talking about. But when you say, "1 and 2 are Prochargers" please be honest and admit they are F1's running NOS. Which isn’t even close to an apples to apples comparison.

In the top 5 what You just said: 2 F1’s and 3 Maggie’s. That is my point. Mic dropped...good day.