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Any maggied ls1's out there??

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Old 12-13-2010, 04:19 AM
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Hawks third gen. recently told me that the 112 can be swapped for a newer TVS unit with more cowl "clearancing". They didn't provide much info after I asked.
Old 12-13-2010, 04:57 PM
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Originally Posted by cfon159
so can the 112 be upgraded to the 122? how bout to the tvs2300? would it be worth it? fitment issues? how bout turning the unit around and running a u-bend like a c5 kb unit?
found my answer:
http://www.magnusonproducts.com/pdf/catalog.pdf

bolt patterns are different between all 4 models - 112, 122, 1900, and 2300.
and the 3 larger stand roughly 0.5" taller
Old 12-16-2010, 12:54 AM
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Originally Posted by joblo1978
Hawks third gen. recently told me that the 112 can be swapped for a newer TVS unit with more cowl "clearancing". They didn't provide much info after I asked.
I was wondering how hot your motor gets with that maggie on there? ive been hearing alot about heat, what was your boost level again?
Old 12-16-2010, 01:30 AM
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Originally Posted by firechicken76
I was wondering how hot your motor gets with that maggie on there? ive been hearing alot about heat, what was your boost level again?
6.5 lbs. I don't have any heating issues with the engine at all from what I can tell with the factory temp gauge. I'm using the stock cooling system with clean dex and an upgraded stat. That's it. I'm also running a cooling additive in the intercooler because it's just good practice. My IATS are getting up there a little bit but nothing to be concerned about.
Old 12-16-2010, 02:43 AM
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Originally Posted by joblo1978
6.5 lbs. I don't have any heating issues with the engine at all from what I can tell with the factory temp gauge. I'm using the stock cooling system with clean dex and an upgraded stat. That's it. I'm also running a cooling additive in the intercooler because it's just good practice. My IATS are getting up there a little bit but nothing to be concerned about.
your running a 90mm tb right? I heard that lowers IATS.....and makes more power
Old 12-16-2010, 03:02 AM
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Originally Posted by firechicken76
your running a 90mm tb right? I heard that lowers IATS.....and makes more power
90mm holley
Old 12-19-2010, 09:52 PM
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Suppose to have dyno run this week.
RPM out of Cary NC just installed the 112.
Stock LS1 on a 2000 vette 6 speed. Kooks LT header with cross over no cats.
Monster clutch with 50 shot of nitrous and water/meth. They called and said I had 6 PSI so we'll see what they can come up with on the numbers. Having them put the nitrous and meth on switch so not using that all the time. Was hoping to get close to 500 but don't think its going to make that with only 6 psi. without using the O2.
I'm sure the crank is penned but have you guys had problems with the 6 rib slipping with 6 psi? Just wondering?

Last edited by liveaboard74; 12-19-2010 at 10:03 PM.
Old 12-19-2010, 11:49 PM
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^^I'm at 6.5lbs and have not had a problem. The crank is pinned as well
Old 12-20-2010, 04:59 AM
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You run the 6 rib belt?
Man your numbers are up there. Thats nice....
Just waiting on that call and you know how that is...
Read about everything Maggie had on their web sight and I didn't want to go over 7.5 and see that chart of 5 ver 10 pounds of boost on the heat difference but i'm intercooled so will just have to see.
Car was set up for turbo but bad install and installer would not stand behind the work. Thats why I have the water meth.
Old 12-20-2010, 05:45 AM
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Liveaboard, let us know how the maggie fairs in the dyno
Old 12-20-2010, 06:30 AM
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Be more than happy to and just getting back into cars after 20 years being out so if you guys would put up with me on some questions from time to time it would really be helpful.
RPM's on here so maybe I can get them to scan and post it once they do it.
If not, I'll do it as soon as I pick the car up with the Hp/tq and air flow numbers.

Last edited by liveaboard74; 12-20-2010 at 06:58 AM.
Old 12-21-2010, 02:11 PM
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i can't wait to get my maggie installed by lmspeed. going to put the cam that eps have out for positive blowers. should make really nice power
Old 12-21-2010, 07:25 PM
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colews6- im interested to see what that cam does with the mp112
Old 12-24-2010, 06:32 AM
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You know how you get into a good movie and Kinda on edge waiting on the ending then they flash the will continue next week up on the screen.???
Closed for a week so have to wait till the first of the year before I get dyno numbers...
Thought about upping the pulley where it had 8 pounds of boost but they didn't have so sticking with the 6psi and the 50 shot... Will get you guys the numbers as soon as they call me with them after the new year.


Last edited by liveaboard74; 12-24-2010 at 11:49 AM.
Old 01-05-2011, 12:59 PM
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Picked her up today. They had her on the dyno when I got there this morning. With Kooks headers system, mid pipe and no cats with 6psi, car made 447whp. And 439 pounds of torque. From base pull of 296 picked up 150hp, just from adding the maggie and header system. Did not do a pull with the nitrous and stock pulley that came on the maggie
Used the same injectors I did on the turbo, 65 fast and idle it is running 14.5 to 15. Under power 11.5 all the way across the board.

Last edited by liveaboard74; 01-05-2011 at 06:23 PM.
Old 01-05-2011, 01:05 PM
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Wow! That's a pretty conservative tune with good numbers. Willing to bet if u increased fuel to 10-10.5:1, you would see about 50-75 hp increase at max. Addd cams and prolly lookin at another 25-50. So absolutey possible to nail 500+ can't wait till the moolah starts flowing.
Old 01-05-2011, 01:43 PM
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Originally Posted by cfon159
Wow! That's a pretty conservative tune with good numbers. Willing to bet if u increased fuel to 10-10.5:1, you would see about 50-75 hp increase at max. Addd cams and prolly lookin at another 25-50. So absolutey possible to nail 500+ can't wait till the moolah starts flowing.
WTF? dont think so
Old 01-05-2011, 01:56 PM
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Originally Posted by cfon159
Wow! That's a pretty conservative tune with good numbers. Willing to bet if u increased fuel to 10-10.5:1, you would see about 50-75 hp increase at max. Addd cams and prolly lookin at another 25-50. So absolutey possible to nail 500+ can't wait till the moolah starts flowing.
How many cams does it have?

But seriously, I need some motivation, ive got my parts rounded up, just need to install everything.
Old 01-05-2011, 11:03 PM
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with FI every little squeeze of gas will yield a lil more power than NA, and uping fuel to 10:1 from 11.5:1 afr is a big jump for FI.
Old 01-06-2011, 01:29 AM
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lol, yeah ok buddy. good thing ive never owned or tuned any high power FI cars before
(ps, i have, alot of them)
at least know wtf your talking about before you post. richening the **** out of the tune is going to drop power like a rock


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