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  #16 (permalink)  
Old 09-06-2004, 04:05 PM
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buy a set of those dart ss heads that you can find on e-bay for like 400 bucks new...i had a set that we used on the 350 ran great...used them on my 406 until my bigger darts were bought and still fared every well....way better then the old camel humps improved the power more then i thought...I think that Chevy Hipo magazine did some flow numbers on them check it out vs. other heads

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  #17 (permalink)  
Old 09-06-2004, 04:58 PM
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Quote:
Originally posted by 78 monte
Actually I based my opinion on the fact that 1.84 valves give a 350 more lowend than 1.94s.Therefor 1.94s should do the same for a 400.
I'm just not into dropping a grand into heads that are meant for something of a differant purpose.If I wanted lowend I wouldn't drop a grand on heads that make lowend and could make the power if I ever wanted it,I'm gonna save 7 bills and get what suits my current needs.
That is not the case on a 400. The 400s like a bigger intake valve. There are a lot of misconceptions out there on what loses bottom end.
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  #18 (permalink)  
Old 09-07-2004, 05:18 PM
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Quote:
Originally posted by lluciano77
That is not the case on a 400. The 400s like a bigger intake valve. There are a lot of misconceptions out there on what loses bottom end.
I appreciate the comments. Maybe I'm looking at this the wrong way, so what would your recommendations be given that I don't want to change those pistons. Just a good head/cam combo that'll work with an Edelbrock EPS dual plane. Carb doesn't matter since I have a few sizes to pick from. Please keep in mind I'm after tire frying torque more than top end HP.

I really like the numbers CHP got off their 406 build with a Vortec setup and similar cam, and those runners are 170cc. I guess that's what's creating my confusion... Tnx!
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  #19 (permalink)  
Old 09-07-2004, 06:54 PM
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Is still fry the tires with my Sportsman IIs. Go with a 200 cc runner.
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Old 09-07-2004, 07:38 PM
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The sportsman II's wont hold a candle to the TFS heads, yes they are a 190CC runner (I think) 2.02x1.60 and have strong mid and high lift flow numbers, they are a serious velocity head and still out flow the sportsman II's at peak lift, Canfield is another big hitter Im sorry but IMO the DART or World products heads is a far cry from what TFS or Canfield can offer in terms of "streetable performace" in other words you can use less cam and make the same peak power...that also means a ton more torque but thats just my .02


2wld4u
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  #21 (permalink)  
Old 09-07-2004, 09:29 PM
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Originally posted by 2wld4u
The sportsman II's wont hold a candle to the TFS heads, yes they are a 190CC runner (I think) 2.02x1.60 and have strong mid and high lift flow numbers, they are a serious velocity head and still out flow the sportsman II's at peak lift, Canfield is another big hitter Im sorry but IMO the DART or World products heads is a far cry from what TFS or Canfield can offer in terms of "streetable performace" in other words you can use less cam and make the same peak power...that also means a ton more torque but thats just my .02


2wld4u
You are right. There is no comparison. Well, except for the price.

Trick Flow heads have a really efficient combustion chamber design. The other companies are better in design also.
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