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10.5 E8 Turbo limits

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Old Aug 22, 2013, 08:25 AM
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10.5 E8 Turbo limits

I want to know what are the max hp limit or realistic limit these days on these turbo. Since everyone pretty much jumps directly to E9 turbo or FP set up these days.

I have an Evo 9 Turbo sitting on my living room and my car came with a 10.5 inch hot side turbo. I am debating if its even worth slapping on the E9 Turbo.

Or am I just better off with an ETS FMIC and keeping my stock turbo.
Old Aug 22, 2013, 10:07 AM
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If money not an issue I'd jump straight to fp.e9 is decent saw ppl making 380 on mustang.
Old Aug 22, 2013, 10:09 AM
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I'm on e9 turbo at 334whp on 92 octane. Quoted around 380-90 on mustang dyno after e tune.
Old Aug 22, 2013, 10:15 AM
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i would say keep the 8 w/10.5 turbo, unless ur going e85 then do the evo 9 turbo.
but this is really dependant on what u want, i personally think the 8 with 10.5 is good enough.
Old Aug 22, 2013, 12:09 PM
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max output is same between the turbos. especially when running e85. there are small gains when running pump gas and switching from 9.8 evo 8 to 10.5 ev9. maybe 15hp. 8 turbo does spool faster so there is some trade off. half the gains on pump are from switching to 10.5. so your only gain would be from freer flowing compressor cover.
Old Aug 22, 2013, 12:26 PM
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I cant get a hold of E85 but will be eventually doing a map on C16.

I dont know if I sell my E9 turbo for 400 bucks and try to slap a 3.5 ETS FMIC on my Evo.

Or slap on the E9 Turbo and use my OEM FMIC.
Old Aug 22, 2013, 12:36 PM
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I see Evo9 turbos on ebay for $200 all the time. I've heard the e9 is the same as the e8 with a better high end. Truth to that?
Old Aug 22, 2013, 12:41 PM
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Originally Posted by blackbalts
I see Evo9 turbos on ebay for $200 all the time. I've heard the e9 is the same as the e8 with a better high end. Truth to that?
EVO IX turbo have bigger compressor cover when compare to EVO VIII one
Old Aug 22, 2013, 12:48 PM
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Depending on your racing discipline(s), I'd sell the IX turbo. Use that money towards something else, a tune

Why do you want a new FMIC? I'm not being flip, but curious as to what you're doing with the car. FMIC are nice, especially if pushing the car to the limits.

However, take a ride in a car with a bigger turbo and see if that's what you like. Some people prefer the stock turbos. If you like the smaller turbo, then keep the IX as your current one will go out eventually.

As to your original question, I'd say around mid/high 300's to low 400's hp on a dynojet depending on supporting mods.

GL!
Old Aug 22, 2013, 01:20 PM
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Originally Posted by PureDrivePerformance
Depending on your racing discipline(s), I'd sell the IX turbo. Use that money towards something else, a tune

Why do you want a new FMIC? I'm not being flip, but curious as to what you're doing with the car. FMIC are nice, especially if pushing the car to the limits.

However, take a ride in a car with a bigger turbo and see if that's what you like. Some people prefer the stock turbos. If you like the smaller turbo, then keep the IX as your current one will go out eventually.

As to your original question, I'd say around mid/high 300's to low 400's hp on a dynojet depending on supporting mods.

GL!
Crappy fuel here is 89 to 90 octane to help reduce some of the knock. Also its 90 degree all year around so to help with the heat.

I also plan on running c16 and pushing whatever little turbo I have to the limit.
Old Aug 22, 2013, 02:00 PM
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On a e8 turbo w 9.8 hotside I was at 372 with all bolt on including an intake mani w 68mm tb on e85.
With duel map if I switched to cal 91 swill then I lost 50-60 hp.
As for putting the e9 like someone allresdy stated loss of maybe 10-15 hp.
Old Aug 22, 2013, 02:49 PM
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I have an 8 with the 10.5 hotside and recently got a tune for TBE, intake, MBC, and a fuel pump. The tuner told me the turbo and cams were the 2 things that were really holding the car back.
Old Aug 22, 2013, 02:57 PM
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Originally Posted by 94AWDcoupe
max output is same between the turbos. especially when running e85. there are small gains when running pump gas and switching from 9.8 evo 8 to 10.5 ev9. maybe 15hp. 8 turbo does spool faster so there is some trade off. half the gains on pump are from switching to 10.5. so your only gain would be from freer flowing compressor cover.
/\/\ This !!!
Old Aug 22, 2013, 03:22 PM
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Good info in this thread

10.5 hotside E8 turbo it is then....
Old Aug 22, 2013, 10:09 PM
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I have made 357/354 on 93 with a 10.5 turbo @ 26 psi. Im going to be shooting for 400/400 in a few weeks still on 93... also stock injectors. Plenty of people making over 450 with e85 on e9 turbos


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