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finished 5.4 2v.

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Old 08-28-2010, 06:36 PM
  #11  
mark a rittenhouse
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Old 08-28-2010, 06:46 PM
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Old 08-28-2010, 07:42 PM
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Old 08-28-2010, 09:13 PM
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Dewayne Logan was the first I know to test 3 sets of these heads and publicly stated he found little gain below 7000RPM. He was roasted online for it but its appearing he was correct.
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Old 08-28-2010, 11:33 PM
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Originally Posted by nickmckinney
Its MUCH more common than you think. I have learned that people with poorer numbers usually just stay silent online and all we get publicly are usually inflated some. I know of quite a few other combos like this that ain't doing what one would think they should. This combo needs another $3000 spent on it to reach its potential.
Dont get me wrong, Im not putting him down.. I just expected to see a bigger number with a high comp trick flow headed motor. Hell bolt on 4.6s are seeing almost 300. I understand theres more to be had, I just was voicing my disapointment.. Didnt mean to have that go the wrong way
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Old 08-29-2010, 03:53 AM
  #16  
Spilotro
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I would have expected a bit more as well. These 5.4 swaps are sounding like more trouble than they're worth to me.

Please, turn off the caps lock!
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Old 08-29-2010, 06:48 AM
  #17  
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Originally Posted by WhiteFoxGT
Dont get me wrong, Im not putting him down.. I just expected to see a bigger number with a high comp trick flow headed motor. Hell bolt on 4.6s are seeing almost 300. I understand theres more to be had, I just was voicing my disapointment.. Didnt mean to have that go the wrong way

Didn't take it that way, its just I see/hear 295-305RWHP coming from TFS headed and cammed 4.6 all the time but you never see it posted on the forums. The best bolt on plus cams 2V I have personally seen was 290RWHP and it had the valves into the pistons. I have seen on the forums people getting over 300RWHP with bolt ons but at the track they run like any other 265-280RWHP 2V. Heck the fastest bolt-on plus cams 2V I know of only did 265RWHP but ran 11.98@113MPH years ago.
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Old 08-29-2010, 07:15 AM
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Originally Posted by Spilotro
I would have expected a bit more as well. These 5.4 swaps are sounding like more trouble than they're worth to me.

With the 2V heads and built the same as a 4.6 they always make more torque and less or the same HP. Its basically a 1/2" stroker 4.6 and the 4.6 already has 1/2" more stroke than the 302/5.0 of yore did.
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Old 08-29-2010, 10:55 AM
  #19  
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Old 08-29-2010, 11:01 AM
  #20  
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Besides the "low" numbers you made with this setup how does the car feel? Do you have a track day scheduled in the near future?
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