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Evo X Turbo Discussion for turbo systems that are unique to the Evo X. IF THE TOPIC IS COMMON WITH OTHER LANCERS, PLEASE POST IT IN: '08+ Lancer Common.

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Old 02-26-2013, 05:34 PM   #1
Jaydub514
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AMS 750xp vs. Stock frame options?

Hey guys,

Just wanted to get some feedback from all the gurus on this site. I'm trying to narrow down my turbo choices for an upcoming upgrade. My plan is to stick with the stock block and 91 octane. I'm definitely ok with a conservative tune to keep the thing alive. Currently the car has full bolt ons and is making about 340whp/340wtq.

Not wanting to spin the crap out of a smaller turbo and risk anything on pump gas, my choices have been primarily focused on the FP Red (with this latest pricing update however....) Map EF3, and the elephant in the room, the AMS 750 XP kit. One thing that is moving me towards the AMS setup is that I haven't purchased a downpipe yet, so i'm not tied to a stock frame option.

This is not my daily driver, but I'd like to retain decent spool characteristics. From what I have read, all 3 options above can be tuned to about 420whp and 350tq to keep the block intact, which is perfectly fine for me. My main concerns and reliability, longetivity and making sure everything is done once, and done right.

Do you guys think the AMS 750 XP would be a good idea on the stock 2.0 block as far as spool is concerned, or am I better off going with a RED/EF3 + AMS downpipe since my goals aren't that crazy high on stock block? I know the draw to the stock frames are that you can build it piece by piece - but if the AMS is a more solid option overall I'll just save up and do the whole shebang.

Thanks guys!
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Old 02-26-2013, 05:38 PM   #2
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You'll still have decent spool on the 750 XP on stock block (think 4200ish - 3rd gear), that is what I would go with.

If you plan to do Auto X at all though, skip out on the XP and the EF3 and go with an EF2 or a Green sized turbo.

Bottom line is, the 750 XP is pretty much the best all around turbo kit you can get, hands down as far as I am concerned. Unless having sub 4k spool is a huge concern, there is no where else to look IMO.

EF3 is going to spool pretty close to the 750 XP, and the FP Red only slightly faster.
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Old 02-26-2013, 05:41 PM   #3
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All depends what you want to do with the car, MAP is amazing and will take real good care of you though. Props for having a good/readable post, those are getting pretty rare around here sadly...
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Old 02-26-2013, 05:58 PM   #4
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Thanks guys -- the car used to be my daily driver, but recently i've had the fortune of moving into a role where I get to drive a company car during the week. It's not uncommon to go for 2 weeks at a time before I can hop back in the Evo nowadays, so now that it gets a rest every now and then though it'd be a good idea to start some bigger projects since I can techinically be ok with some inevitible downtime.

That being said, the car will primarily be just to drive around town in and enjoy it performance wise. I may look into doing some beginner track events with friends at some point, but I'd like to keep this car for quite some time and not totally abuse it/extract every last bit out of it by doing track days. I'd gladly trade a bit of spool for a bit more top end...as long as it's safe of course haha.

And yes, the MAP group are a great bunch of guys definitely no worries there!

Really appreciate the great feedback so far fellas. Definitely helps my tossing and turning at night to hear some experiences and thoughts!
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Old 02-26-2013, 06:01 PM   #5
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Well in that case, it goes to budget. I'm not 100% sure on prices because I'm too lazy to go look but I'm pretty positive you will save quite a bit of money going with the EF3 over the 750. Both companys have incredible customer service and know what they are doing, both turbos are proven and both within the same category really. So now it's just personal preference.
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Old 02-26-2013, 06:11 PM   #6
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The AMS is what I would go with. It's praises are sung by quite a few around here. I spoke to my tuner about it and he recommended it as well.
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Old 02-26-2013, 06:14 PM   #7
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the AMS kits are expensive, and as Happy made clear, expensive for a reason. Its the go to kit for people road racing, doing time attacks, etc. AMS's name speaks for itself. If youre only looking for a modest/safe turbo upgrade without building the block, a green/ef2 is probably a decent idea. the red/ef3 would require holding back to save your block.

Probably best to talk to whoever would be doing the tune and discuss it all with them as far as goals, budget, etc.

If youve got the budget for the AMS kit Happy said it all. If not, consider the MAP/FP solution. Although FP's are getting pretty pricey.

4-d just did a 750xp on his built 2.2l. May be a good idea to check that thread out.
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Old 02-26-2013, 06:18 PM   #8
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I really really really wanna see someone try the ETS twin scroll T4 kit like phantom but with a smaller turbo. I wanna see 4-600 hp with sub 4k spool.
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Old 02-26-2013, 06:30 PM   #9
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I really really really wanna see someone try the ETS twin scroll T4 kit like phantom but with a smaller turbo. I wanna see 4-600 hp with sub 4k spool.
i could be convinced :-) but the turbos on that kit dont get much smaller or bigger do they?
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Old 02-26-2013, 06:31 PM   #10
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This is intriguing to me since I'm also looking into that kit. My goals are 550 at the wheels at a minimum on pump.
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