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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 08-12-2010, 11:15 AM   #21
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Do yourself a favor.. put the "I want X HP" on the shelf and ask what makes power. With stock heads you aren't going to hit 375...period. Todd Allen from Intense Racing built up a Bonneville and dyno'd about 370whp with bout 465 chp. The car was tuned perfectly. My motor ended up being a near replica of his..without the same tuning skill.

You don't need any more, trust me. traction isn't an issue, it'* impossible
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Old 08-12-2010, 11:59 AM   #22
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So with stock heads, where am I looking at for power?
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Old 08-12-2010, 12:00 PM   #23
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Once your past stock, traction is a fond memory. I can spin my tires past 45. With HP comes driving skills. Adding more HP is easy compared to adding driving skills. That takes years and many sets of tires.
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Old 08-12-2010, 01:32 PM   #24
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Dunno what your horsepower will/should be. Build it, tune it and go to a dyno. I can tell you, it'll be disappointing when you see the number. Yet if you hit the track the car will feel amazing and you'll impress many. That'* because as SC'd cars our torque numbers dwarf hp. It takes torque to get our boats moving.
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Old 08-12-2010, 02:11 PM   #25
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Quote:
Originally Posted by Danthurs View Post
Adding more HP is easy compared to adding driving skills. That takes years and many sets of tires.
Well said Dan.
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Old 08-12-2010, 05:53 PM   #26
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s1x or xp cam (what do you recommend?),
105# valve springs,
im porting my supercharger and lim,
and maybe a 3.6 pulley
stage 1 inter-cooler
42.5# injectors (after tune if needed),
Fel Pro'* "lower conversion kit,
LS retainers from Intense,
Dealer/Fel Pro for valve cover, LIM (get grommets too),
Valve seals from ZZP,
intense reusable rocker bolts
,New stock timing set with dampener,
gator back belts

and i'm scratching the yella terra rockers/ rods since the don't add any performance gain?
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Old 08-12-2010, 05:54 PM   #27
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start off with 3.8 pulley*
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Old 08-12-2010, 07:09 PM   #28
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Bill and I both have a X1S cam, the XPhot is basically the same exact cam, we are only talking about a thousands difference.

Rockers are not needed, stock rockers are what most people use, including me.

Personally, scrap the gatorback belt. Gates belts from Napa are much better. Gatorback is a good belt and it'* what everyone uses until they use a gates belt.

Take a look at the ZZP cam install kit, I used it and it had everything. You don't *need* but for the price, I say a new cam and crank bolt. I'm not seeing anything else that you missed.
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Old 08-12-2010, 07:14 PM   #29
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OK cool, and yea i forgot to change that belt from bill'* post.
is there anything else to do while i'm installing everything? anything else you did Dan?
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Old 08-12-2010, 07:23 PM   #30
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I would replace the coolant elbows. It'* cheep and easy to change while your there. You will need a timing chain cover gasket, but if you get the cam install kit you will have everything you need to do the whole top end. I don't think their kit comes with valve cover grommets.

Are you doing this in the car or you pulling the engine?
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