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Old 08-02-2013, 12:30 AM   #1
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my next mod to help reach 12s. need opinions!

Ok so im torn between my next mod. Just did the full pi swap. Im consistently in the mid 13s. I want a little extra kick to help reach 12s.
Soooo...comp 270s? Or nitrous? Or another wallet friendly option?

I have upgraded trick flow valve springs/retainers. Will the 270s work with them?
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Old 08-02-2013, 12:40 AM   #2
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Nitrous would be the easiest way, but its not power all the time. If i was you i would go with the cams. If your hitting 13s then with a good set of cams and a really good tune you may be able to touch 12s. What is your 60'?
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Old 08-02-2013, 12:52 AM   #3
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Im on 305 dr's so it varies most of the time under 2
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Old 08-02-2013, 01:06 AM   #4
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Get the cams, and try to get under a 1.7 60' and you will be in 12s for sure.
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Old 08-02-2013, 01:08 AM   #5
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Alright will do. Think my valve springs will be ok to use?
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Old 08-02-2013, 02:39 AM   #6
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Alright will do. Think my valve springs will be ok to use?
Probably want new ones.
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Old 08-02-2013, 08:04 AM   #7
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Quote:
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Ok so im torn between my next mod. Just did the full pi swap. Im consistently in the mid 13s. I want a little extra kick to help reach 12s.
Soooo...comp 270s? Or nitrous? Or another wallet friendly option?

I have upgraded trick flow valve springs/retainers. Will the 270s work with them?
What's your suspension mods ? Any drag radials ?
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Old 08-02-2013, 10:37 AM   #8
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H&r ss springs and billstein shocks. 305/30/18 Kumho drs
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Old 08-02-2013, 10:52 AM   #9
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Gears? I would say nitrous too hit a 125 shot, but that wont help unless you're hooking. What tires nittos?
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Old 08-02-2013, 10:53 AM   #10
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If u still have ur non pi pistons u can only run 262 cams
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Old 08-02-2013, 12:00 PM   #11
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Why only 262s? I have Kumho tires and 4.10 gears
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Old 08-02-2013, 12:25 PM   #12
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Which ones? They radials?
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Old 08-02-2013, 12:26 PM   #13
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Why only 262s? I have Kumho tires and 4.10 gears
Bc the 270s will hit the pistons they were designed for the pi pistons
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Old 08-02-2013, 12:28 PM   #14
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Drag radials.
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Old 08-03-2013, 01:20 AM   #15
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They hook good?
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Old 08-03-2013, 12:51 PM   #16
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Very good.
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Old 08-03-2013, 08:00 PM   #17
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When you say full pi swap did you swap block? Because non pi block with pi heads holds better compression than full pi. I believe full pi is 9.1.1 and non pi with pi heads is 11.1.1
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Old 08-03-2013, 08:02 PM   #18
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Npi block still
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Old 08-03-2013, 08:13 PM   #19
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Id say 100 shot of nitrous from zex they have a setup that it stays on but only sprays during wot. I dont know if any other brand has them. Just what I would go with. Also some mild cams.
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Old 08-03-2013, 08:15 PM   #20
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Im getting a killer deal on a nx wet kit. 100 shot will be safe?
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Old 08-03-2013, 08:20 PM   #21
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Should be fine buddy of mine has an 03 gt with 150 shot but his has a tune which I would highly suggest getting done
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Old 08-03-2013, 11:39 PM   #22
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Quote:
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When you say full pi swap did you swap block? Because non pi block with pi heads holds better compression than full pi. I believe full pi is 9.1.1 and non pi with pi heads is 11.1.1
It puts it at 10:5:1 unless you grind off the intake shroud a d it puts it at like 10:1:1

---------- Post added at 12:39 AM ---------- Previous post was at 12:38 AM ----------

Quote:
Originally Posted by 02GtRespect View Post
When you say full pi swap did you swap block? Because non pi block with pi heads holds better compression than full pi. I believe full pi is 9.1.1 and non pi with pi heads is 11.1.1
Non pi block with pi heads puts it at 10:5:1
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Old 08-04-2013, 03:41 PM   #23
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Oh ok couldnt remember exactly
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