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'15-17 1/4 mile times with 2018 mani/cai/catback/tune. No LTH

Nate_V8

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Looking for some track times with the 18 mani on a 15-17.

I've found full bolt on/tune/LTH and stock manifold 15-17s running low 11s with a tire. I was wondering how the 18 manifolds, ported or stock, do on the track with the usual bolt-ons/tune but no LTHs
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jrsimon27

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Looking for some track times with the 18 mani on a 15-17.

I've found full bolt on/tune/LTH and stock manifold 15-17s running low 11s with a tire. I was wondering how the 18 manifolds, ported or stock, do on the track with the usual bolt-ons/tune but no LTHs
Check this video out.

 
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Nate_V8

Nate_V8

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Well not really what I'm looking for but that is a weird video. Every dyno I've seen of a 15-17 with an '18 manifold gained a ton of power everywhere. Maybe it's because it wasn't tuned?

Anyways, hoping for some 1/4 mile comparisons with just bolt-ons and an 18' mani/tune/cb/cai
 

Xavier

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My quickest run was a 12.4 @ 113 with a 1.9 60' in crappy air.

I've trapped as high as 117.58 in really great air but I wasn't launching very well.

Before the 18 IM I couldn't go faster than 12.7 so it definitely helped.
 
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Nate_V8

Nate_V8

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117 is a great indicator, is that on 93?
 

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Xavier

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117 is a great indicator, is that on 93?
Yup. I have a flex fuel tune but I no longer have access to E85 now that I live in NH
 
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Nate_V8

Nate_V8

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What is a flex fuel tune? Full e85? or utilizes ethanol when it's detected? sometimes hard to find 93 here and some 91s here now have up to 10-15% ethanol. 93/94 is straight gas, no ethanol added.
 

bluebeastsrt

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Looking for some track times with the 18 mani on a 15-17.

I've found full bolt on/tune/LTH and stock manifold 15-17s running low 11s with a tire. I was wondering how the 18 manifolds, ported or stock, do on the track with the usual bolt-ons/tune but no LTHs
I dont think many 15-17s run low 11s witout alot of weight reduction and a convertor. You might want to look in the drag racing section. And see what gt350 manifold cars were running. Thats probably the closest to an 18 mani youll find.
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