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Old 09-26-2009, 05:37 PM   #11
mrtstang
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how much power should i gain? i hear ppl saying a full bolt on gt with these cams should make around 300rwhp but im only at 256..r they really gona give me 44 more hp? might b cuz i have different plugs in my car tho...when i got my nitrous put on i put colder plugs in and got it retuned. befor the plugs it made 264
The plugs themselves shouldn't make a difference. When i did my nitrous, my n/a numbers were no different with the colder plugs.

I don't believe you'll gain 44 hp from those cams alone. At least not peak to peak numbers. I've seen the literature, and some may dissagree, but i don't buy it!
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Old 09-26-2009, 07:33 PM   #12
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The plugs themselves shouldn't make a difference. When i did my nitrous, my n/a numbers were no different with the colder plugs.

I don't believe you'll gain 44 hp from those cams alone. At least not peak to peak numbers. I've seen the literature, and some may dissagree, but i don't buy it!
Pll go from 260 with bolt ons to 300 all the time with hitech stge 2s... its very common. Most stage 2s will give you those results.
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Old 09-26-2009, 10:21 PM   #13
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Pll go from 260 with bolt ons to 300 all the time with hitech stge 2s... its very common. Most stage 2s will give you those results.
I'm not saying it can't be done, but i wonder sometimes how they compare the before and after numbers. Sure, maybe they gain 40 hp at 6k over stock, but what are the peak to peak comparisons, and where do they occur? Is there any extra tuning (which would account for some of the numbers) that has been done?

40+ hp from just cams (no retuning, coparing #'s at 6k, etc.) on a naturally aspirated, stock headed, and stock intake setup just doesn't seem right to me.
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Old 09-26-2009, 11:00 PM   #14
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well obviously you wont gain as much without the dyno tune, but the gains will still be there.
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Old 09-27-2009, 12:34 AM   #15
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Apples and oranges but my 2.5 blower cams gave me an additional 52rwhp at the same 10lbs of boost. But no telling of the benefit with 16lbs and it pulls like a freight train all the way past 6500rpm. The performance of a good after market set of cams far outweighs the dyno numbers.
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Old 09-27-2009, 01:51 AM   #16
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sxynerd...why would u go woth the cms or w.e they r called cams over the hi techs? and i would deffinatly get a new tune after the cams.
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Old 09-27-2009, 03:25 AM   #17
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I'm not saying it can't be done, but i wonder sometimes how they compare the before and after numbers. Sure, maybe they gain 40 hp at 6k over stock, but what are the peak to peak comparisons, and where do they occur? Is there any extra tuning (which would account for some of the numbers) that has been done?

40+ hp from just cams (no retuning, coparing #'s at 6k, etc.) on a naturally aspirated, stock headed, and stock intake setup just doesn't seem right to me.
Ok wow..

for 1, you NEED a tune with stage 2 cams for your car to even run right, 2, The bolded part is just to me.

Stage 2 cams are going to pull to well above 6k.. peak to peak comparisons with a stock cam vs a stage 2 are going to yield you 40+.. like i mentioned earlier.. A peak is just that, the maximum height of the parabola.. You WILL gain 40+ peak hp with any off the shelf decent stage 2 grind with full bolt ons.. A tune is part of it to make your car run right.
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Old 09-27-2009, 08:58 AM   #18
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sxynerd...why would u go woth the cms or w.e they r called cams over the hi techs? and i would deffinatly get a new tune after the cams.
I've seen his cams make the numbers time and time again. The fastest 2v cars are running his cams. CMS/VT's cams have always been the cams to get for as long as I can remember. I've seen 50rw from CMS stage 2 cams with a fully built 10.6:1 car and although, it's not the norm, these cars function best with all the mods combine. A stock car is going to pick up around 30rw with his stage 2 cams while a fully built car is going to react better with them. 340-360rw is what you'll end up with on a fully built engine and all the mods through a manual trans.

Like I said before Hitechs don't make the peak Hp numbers and give up power for the longer curve which is good and bad. Besides, HiTech is a GM based company and they only just started doing ford parts a few years ago. Call me biased but I wont go to GM company for anything, lol.
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Old 09-27-2009, 09:04 AM   #19
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Ok wow..

for 1, you NEED a tune with stage 2 cams for your car to even run right, 2, The bolded part is just to me.

Stage 2 cams are going to pull to well above 6k.. peak to peak comparisons with a stock cam vs a stage 2 are going to yield you 40+.. like i mentioned earlier.. A peak is just that, the maximum height of the parabola.. You WILL gain 40+ peak hp with any off the shelf decent stage 2 grind with full bolt ons.. A tune is part of it to make your car run right.
I wont confirm this because I don't want people to get upset if their car doesn't make that magic number BUT it is true, there have been a lot of people to get those numbers. That is also something I didn't think of OP, that with a stage 2 cam, (Unless you're built) you may not be able to take full advantage of the RPM range and not net those big numbers.

Comps big thumper cams aren't even that bad of a cam BUT you'll need to be notched and degreed to run those. The big thing about Hitech and CMS is you wont need to notch your pistons.
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Old 09-27-2009, 09:14 AM   #20
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how high can the stock bottom end rev to?
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