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Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 06-22-2009, 02:24 AM   #1
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Default Performance Gain

I am going to due to a major upgrade and this is the list I came up with
--------------------------------
Cold air intake
180* thermostat
3.5" pulley
colder spark plugs
PCM upgrade
Shift kit
Series 40 mufflers
Powerlog front manifold
xp CAM (oil restricted push rods) or 1.9 rockers (springs, retainers)
-------------------------------
What could I be seeing in gains.....
If the list should be modified in any way let me know....

2000 bonneville ssei
136k
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Old 06-22-2009, 08:14 AM   #2
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Hard to give an exact number. But you will feel the difference. You will be at the point where your tires will become a problem. Time to start considering wider tires.
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Old 06-23-2009, 12:46 AM   #3
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what size tires do you recommend?

I want to be able to stay up with a 350z
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Old 06-23-2009, 12:51 AM   #4
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Quote:
Originally Posted by airlife9 View Post
what size tires do you recommend?

I want to be able to stay up with a 350z
The wider tires will get you grip and traction for off the line. The width of the tires you'll be able to suck in under the fender well will be dependent on if you change your suspension (lower or raise), change your rims (bigger or smaller). A 245-45-17 drag radial will fit without rubbing on most.

Here'* a good thread on tire and wheel size https://www.gmforum.com/t278965/
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Old 06-23-2009, 03:16 AM   #5
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So the list I have will let me keep up with a 350z....

Also, I posted on another board and I have members telling me I should get headers too, good idea?
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Old 06-23-2009, 08:09 AM   #6
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Headers is your best choice for exhaust. I went from Ported Manifolds to TOGs and regret waiting so long to go to TOGs
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Old 06-23-2009, 10:30 AM   #7
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Quote:
Originally Posted by airlife9 View Post
So the list I have will let me keep up with a 350z....

Also, I posted on another board and I have members telling me I should get headers too, good idea?
I think it'll will get you on your way to keeping up with the 350z. Its hard to say without hearing some of the specs of the Z you'll be racing, (I mean if thats what ur planning on doing, Legally i hope)LOL The 350z comes stock with upwards of 300 horses. So it depends on what ur opponent has added to his ride as well. Manual transmission, rear wheel drive, turbo, all these factors will come into play. If hes got a basic model, automatic trans, and no forced induction system of any kind then you may be in business. But again like i said its hard to say.
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Old 06-23-2009, 11:33 AM   #8
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Quote:
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Headers is your best choice for exhaust.
X2....Invest in some TOG'* and open the exhaust up. It'* amazing how much that will improve the giddy up and go!
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Old 06-23-2009, 12:33 PM   #9
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Headers are not cheap though. Buying them and getting them installed at any shop will most likely cost you at least a grand.
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Old 06-24-2009, 01:27 AM   #10
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So I am reading this correctly, I should be getting getter gains with the 2nd list
.
-----------------------
Cold air intake
180* thermostat
3.5" pulley
colder spark plugs
PCM upgrade
Shift kit
Series 40 mufflers
Powerlog front manifold
xp CAM (oil restricted push rods) or 1.9 rockers (springs, retainers)
---------------
Cold air intake
180* thermostat
Headers
---------------

Basically I would like to get over 300hp
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