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Cam or Long-tube headers?

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Old Nov 19, 2005 | 03:56 PM
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Default Cam or Long-tube headers?

I can't do both right now but wondering if the cam is worth doing prior to long-tubes? In the future, I was thinking one of MTI's stealth cams. I've done a search and have seen a lot on the long-tube upgrade, little on just the cam without the headers. Probably going to go with the Kooks long-tubes.
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Old Nov 19, 2005 | 04:05 PM
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Originally Posted by bunk22
I can't do both right now but wondering if the cam is worth doing prior to long-tubes? In the future, I was thinking one of MTI's stealth cams. I've done a search and have seen a lot on the long-tube upgrade, little on just the cam without the headers. Probably going to go with the Kooks long-tubes.

i would do headers first and i would go with a little bigger cam than those stealth ones you can do a pretty good sized cam and get a nice tune on it to calm it down
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Old Nov 19, 2005 | 04:12 PM
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figure out a way to do both

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Old Nov 19, 2005 | 04:14 PM
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and heads too you want to do the heads at the same time as the cam because they have to pull them any how
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Old Nov 19, 2005 | 04:57 PM
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IMO, headers are a waste of money from what I've seen on here. Guys are getting 375-ish with headers, intake, a nearly $3.5K investment. Intake and tune alone are worth 20, so the headers are only 15 and they cost $2,300 installed. Terrible bang for the buck. Plus you flunk the visual test and get all the problems associated with headers.

On the other hand, you can do heads & cam for under $5K total including intake & tune and be comfortably over 400rwhp with a moderate cam. The dealer won't even know it's there. That's the ticket.
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Old Nov 19, 2005 | 06:34 PM
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Originally Posted by TTRotary
IMO, headers are a waste of money from what I've seen on here. Guys are getting 375-ish with headers, intake, a nearly $3.5K investment. Intake and tune alone are worth 20, so the headers are only 15 and they cost $2,300 installed. Terrible bang for the buck. Plus you flunk the visual test and get all the problems associated with headers.

On the other hand, you can do heads & cam for under $5K total including intake & tune and be comfortably over 400rwhp with a moderate cam. The dealer won't even know it's there. That's the ticket.
I agree to some point, however if you get a used set of LTs for $1000-1200 or less and install yourself (which is not hard at all) or get someone from the forum to assist you (many out there that have done it) then put on heads and cam you stand to gain 25-35 RWHP from the headers. Headers work well with other mods and if you want to get the most from your vette headers, a CAI system and a good exhaust are essential first steps. By your resoning heads that only add 40-50 RWHP on top after a cam swap and cost $1800-2500 dollars are not that great for the money either, but the entire system is the key. I got a set of TPIS LTs for my C5 for $200 that needed a collector spot welded. Got 18 RWHP from the headers then gained 50 RWHP from a 226 .581 114 LSA cam on stock heads, hence the benefit of headers. Just my opinion.

Cajun
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Old Nov 19, 2005 | 09:36 PM
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Originally Posted by TTRotary
IMO, headers are a waste of money from what I've seen on here. Guys are getting 375-ish with headers, intake, a nearly $3.5K investment. Intake and tune alone are worth 20, so the headers are only 15 and they cost $2,300 installed. Terrible bang for the buck. Plus you flunk the visual test and get all the problems associated with headers.
From the few dyno's I've seen, long-tubes give good gains. Maybe not peak but down in the lower rpm's, I've seen a few with 30-40rwtq gains. It's not a peak gain that matters to but overall gain, throughout the rpm range.
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Old Nov 19, 2005 | 09:40 PM
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Originally Posted by bunk22
From the few dyno's I've seen, long-tubes give good gains. Maybe not peak but down in the lower rpm's, I've seen a few with 30-40rwtq gains. It's not a peak gain that matters to but overall gain, throughout the rpm range.
Looks like you have done some research and know what is best for you already? Good luck either way. Another thing to think about is with headers you can unbolt and put back to stock very easily, with the cam you have to go internal.

Cajun
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Old Nov 20, 2005 | 06:32 AM
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headers are easy to install, and I would do that first. You'll have double the cost in heads/cam, and quadruple the cost in installation.

btw, heads are easy, it's the cam that takes time. Getting the steering rack out of the way, etc.
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Old Nov 20, 2005 | 09:50 AM
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Originally Posted by davidfarmer
headers are easy to install, and I would do that first. You'll have double the cost in heads/cam, and quadruple the cost in installation.

btw, heads are easy, it's the cam that takes time. Getting the steering rack out of the way, etc.
My mechanic said that installing a cam is also time consuming. And if you have the funds, you might as well do the head/cam combination. I'm staying with headers for right now. Oopps! got to purchase the C6 first.
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Old Nov 21, 2005 | 02:28 PM
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Originally Posted by ccajun4real
By your resoning heads that only add 40-50 RWHP on top after a cam swap and cost $1800-2500 dollars are not that great for the money either, but the entire system is the key. Cajun
I absolutely agree that the total system is key. However, the original poster had budget limitations and so had to choose between routes. Seemed to me heads&cam was more cost effective, but maybe I don't have the whole picture. Either way, it's a lot of dough.
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Old Nov 21, 2005 | 03:18 PM
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What about a set of 1.8 rockers. It seems this would be less expensive and a much easier install then a cam...plus it will be less noticeable. Thoughts?

Rockers and headers may be a good combo.
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Old Nov 21, 2005 | 04:24 PM
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Doing a cam install is roughly 20 hours book time.

Headers are a great start and everything builds upon them. You can get air in, but getting it out is just as important.

TTRotary, who cares about the visual. I'm sorry you live in Cali, but not everybody is limited to the crappy CARB requirements. BTW, I picked up a set of new LG headers for 1,200 install is free.
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Old Nov 21, 2005 | 04:36 PM
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Originally Posted by Jeffvette
I'm sorry you live in Cali, but
I spent the entire 85F sunny SoCal weekend driving my car everywhere with the top out, getting a tan. Went to the beach, surfed, hung out, and drove my favorite mountain pass, and checked out the babes in their beach attire (in addition to the one sitting next to me). What did you do on your 40F overcast, rainy weekend?

As far as visual, I am surprised Seattle does not have a visual test. My car is actually registered in Oregon, and the DEQ inspection is just as tough as the Cali one and has to be repeated every 2 years.

Regardless, I have a solution: OEM exhaust off the C6 Z06. It appears the hydroformed headers flow within 5-7 HP of the longtubes. Only LG claims big gains. Yet when I called them to purchase one of several takeoff sets they had lying around, they refused. Interesting...
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Old Nov 21, 2005 | 05:14 PM
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Originally Posted by TTRotary
I spent the entire 85F sunny SoCal weekend driving my car everywhere with the top out, getting a tan. Went to the beach, surfed, hung out, and drove my favorite mountain pass, and checked out the babes in their beach attire (in addition to the one sitting next to me). What did you do on your 40F overcast, rainy weekend?
That's great fine and dandy, but it was actually in the high 50's clear blue sky. Before you rip on the weather you might want to know what was actually going on.


As far as visual, I am surprised Seattle does not have a visual test. My car is actually registered in Oregon, and the DEQ inspection is just as tough as the Cali one and has to be repeated every 2 years.
Why should they, it's plug and play for the OB2 test. They don't even look at a car with H/C and headers with no cats. You'd be amazed at what goes through DEQ.

And Oregon is only tough in places which have the dyne test which is for cars that are not OBD2. Go to Medford and it's the old mash the gas and hold at 2,000 rpms and see what comes out. Once again it's not that hard to pass with H/C and headers with no cats.

Regardless, I have a solution: OEM exhaust off the C6 Z06. It appears the hydroformed headers flow within 5-7 HP of the longtubes. Only LG claims big gains. Yet when I called them to purchase one of several takeoff sets they had lying around, they refused. Interesting...
Nobody else makes claims as they don't flow as well. I've done FLP and they were nice, but the LG's are that much better.

And as for why Lou didn't sell to you, maybe he doesn't like ya
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Old Nov 21, 2005 | 06:01 PM
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Originally Posted by Jeffvette
That's great fine and dandy, but it was actually in the high 50's clear blue sky. Before you rip on the weather you might want to know what was actually going on.
Uh, not quite

Accuweather Nov. 20 report for BELLEVUE, WA

9am 38F dns fog
11am 40F l/fog
Noon 43F haze
1pm 47F p/sunny
2pm 48F p/sunny

And as for why Lou didn't sell to you, maybe he doesn't like ya
That would be tough...he doesn't even know me. Spoke with his shop manager who stated they wanted to keep the sets for "further testing". Did talk to J. Page at 12st C and he indicated they got ZERO gains swapping to Dynatechs. Note that Dyna, Kooks, and LG all get within 5 RWHP and very similar power curves on the LS2. So, something doesn't add up, and I will leave it at that.
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Old Nov 21, 2005 | 06:11 PM
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Originally Posted by TTRotary
Uh, not quite

Accuweather Nov. 20 report for BELLEVUE, WA

9am 38F dns fog
11am 40F l/fog
Noon 43F haze
1pm 47F p/sunny
2pm 48F p/sunny

Oh, would you like my current zip

As for the headers, read the reports on what people have got on headers. I'll be posting mine sometime after the 1st of december.
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Old Nov 21, 2005 | 06:15 PM
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Originally Posted by Jeffvette
Oh, would you like my current zip
Might be helpful
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Old Nov 21, 2005 | 08:17 PM
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My car saw a 40rwhp gain from headers...to 380.1 rwhp. Shes now at 406.2rwhp with cam and fast intake, and anxiously awaiting the ATI S/C to be installed, once U.P.S. gets here... btw Dynatech headers.
By far best bang for the buck, except for 4.10's, they are the best sotp difference...IMHO
Jeremy
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Old Nov 21, 2005 | 08:27 PM
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Originally Posted by Mr.Big
My car saw a 40rwhp gain from headers...to 380.1 rwhp. Shes now at 406.2rwhp with cam and fast intake, and anxiously awaiting the ATI S/C to be installed, once U.P.S. gets here... btw Dynatech headers.
By far best bang for the buck, except for 4.10's, they are the best sotp difference...IMHO
Jeremy
Awesome gains from the headers (you must have gotten tuned at that time?) but very slight gains from the cam/intake manifold. What size cam was that? Small blower cam I bet? Thanks

Cajun
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