i would like to know from owners of lightnings with mp if the supercharger was a good or bad choice. i seen people state that it is a good product for owners on a budget(me) and it makes great hp when spun hard. yet many people have said it does not make any more hp than a ported eaton. and if anyone has before and after numbers (1/4 or dyno) please post. thanks

 

Seems to me if you're on a restricted budget you should stick with a ported eaton. It appears that you'd need a built short block to take advantage of the MP. In the long run getting a twinscrew, selling the eaton and limiting boost until you can get the built short block may be the best bang for the $.

 

I was thinking about getting a MP. I already have a ported Eaton (StiegM) but I wanted more power. The problem I saw was, there were enough conflicting opinions that, I felt getting my money's worth for an MP on my stock long-block application was too much of a crap-shoot to risk. You are still spending close to $2k and that doesn't even get you rotors or bearings.

I didn't want to be one of those who put one on, went to the track and gained almost nothing. My philosophy is, if you can pony up $2k, just wait a little longer, and pony up another $1k for guaranteed results that you won't be questioning. $3k guaranteed 50-75 HP is a better risk than $2k for <50 HP or even possibly no gains.

There are some guys who love their MP, and that's great. I'm too scared to spend almost $2k and be one of those who didn't see anything for it.

 

I don't have a MP, but have held many of them.

I think in a week or two, Suavy will be going to final tuning with his MP and the results will be impressive.

It seems that the MP have been hit or miss. It seems that people who didn't have luck post alot, and those who had luck don't post that often, just an observation.

Or you can wait for a whipple? J/K there.

 

I guess everyone is waiting for the spring replacements to get them to perform...

 

Hatch, not to knock your statement, cause I think you have a point, in that many people have been disapointed. However, let me just point some things out. First, it is nowhere near 2 grand. I believe I paid 1600 bucks and got an SCT chip with it, and that may have even included the MP idler bracket, I don't remember. Second, it does come with bearings. You are right that you have to re use your rotors, but the eaton rotor pack is pretty bullet proof. Ain't no KB lock up on these bad boys! Next...I don't think you can get a KB for 3 grand can you? I thought it was closer to 4? (An honest question, I don't really know what a KB costs)

As for having to spin the MP very hard to make power...I don't believe that. I only have a 4lb lowre, and made 460hp on a SOFT street tune. I might have lost a little low end power compared to another blower, but it makes PLENTY above 3000rpm. I really think it comes down to the tuning. Rmember the learning curve it took for the tuners to figure out the KB?

StLuis...No spring replacement here. 60,000 miles on a stock block and running STRONG!!!!


In short, I LOVE MY MP BLOWER!!!!!!

 

I am still up in the air about my MP. I love the sound for sure. As for power I see more power with my MP over the ported eaton I had. I just have had tuning problem that I'm currently working out. I'll tell you my true answer after this fall.

Rich

PS-dyno graph

 

MP's on special have been around $1600 JDM offered a deal with a chip and Sal offered a deal with idler bracket. Sal's deal was around $1700 shipped.

KB's are $2900-3000 everywhere. If you figure you can sell your stock eaton for $400, then the KB is $800-900 more (the MP has to reuse the eaton rotors, so you can't sell it whole). The cost savings are too small to justify the MP. The MP needs to sell for $1100 and then it would be worth the price.

Of course, you can port the eaton for $450 and get a racetested nitrous kit for about the same price at the MP.. You tell me which combo would outperform the other..
-Mark

 

Im gonna take bits of everyones statements here.
1.You dont need a built lower to take advantage of the MP but it is a safe route to make really good power.
2.Yes the MP does like to be spun hard and you can take advantage of that over the eaton.
3.You will definatley make more power with the MP of a ported eaton. I know this because with the same exact built short block(for safety reasons) i made 63 more rwhp than my ported eaton on the dyno. 550/620 hp/tq.
I cant offer track info because I never made it to the track while the Mp was on the truck - sorry!

KB powered now

 

September 12th,

My beast will be dyno'd Then we will see what the MP will do!

Then it's off to Lightning fest! I have the bigger springs set at 118 lb of closed pressure.

God Bless,

Suavy

 

I was loving mine. Tuned on the dyno with a 12* winter tune made 450/550. Never got on the dyno with my hot street tune or race tune. Was running a 6# lower and definately felt the sop differnce when I switched to the 16* tune.
I wish I could give further testament but unfortunately lost the motor after I got greedy and went to the 8# lower. Made 21#s of boost but the rods couldnt take it.
Jim

 

You have a new motor with upgraded everything, so I'm sure it will perform well. But we won't know what the MP did for you unless you have a ported eaton to throw on for testing too.

 

When I got my MP I was running a two pound lower, 2.93 upper, un-ported Eaton. I was making 435/522 on the dyno. I had run 12.03@113 at the track.
Slapped on the MP and made 475/533. That's a gain of like 40/10. Sounds like a Ported Eaton result, doesn't it?
Swapped the two pounder for a four pounder and we made 501/591. Picked up another 25/60 with just a pulley change! Max HP/TQ gains were 66/69.
This was on the same blue chip that the two pounder was using.
JDM swapped injectors and installed a safer SCT FlashTune and the final numbers dropped a bit.

The point is:
If you are going to run 15-16 pounds of boost....go with a ported blower.
If you want to Crank-R-Up get the MP blower.


FF

 

I will also have my built longblock and magnum dyno numbers shortly. I've had both ported eaton and mp, while I had back to back dyno runs the mp pulled alot harder and sounded better. I my numbers on my stock block were 465rwhp and 560rwtq, street program. I was very happy with those numbers, as my race program would have been close to 500rwhp.

 

That's true but I wasn't looking for a compareson I am looking at making a good 10 sec run using the MP and using big boost to boot!

Peace,

Suavy