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Old Mar 2, 2015 | 01:13 PM
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From: south east kansas
390 upgrades

so i have a 390FE punched 40 over with shaved heads and a mild cam, Edelbrock performer 390, and a Holley 600. so would you guys recommend a certain set of headers and a particular muffler brand. the headers i want to get are the $158 dollar flowtech ones from auto zone, and mufflers i was thinking flowmaster super 50's. on another note i am also thinking about getting a double tooth eldelbrock timing chain, and eldelbrock performer heads, and would i need to get into the roller cam territory?
 
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Old Mar 2, 2015 | 03:29 PM
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Are you stll running the pickup spec sunken piston, down the hole .100? If so, that would be the first step vs. all the other business imo...
 
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Old Mar 3, 2015 | 08:00 AM
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no my pistons are flat with the deck of the block and dished for the valves to clear.
 
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Old Mar 3, 2015 | 09:23 AM
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I HAVE THE FLOWTECH HEADERS , I had to modify my shift lever (into trans) so the headers would clear . spend a little more for better headers and less headaches on install .
flowmaster 2 chambers will be LOUD , I have the summit brand knock offs
 
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Old Mar 3, 2015 | 12:25 PM
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Originally Posted by MIKES 68 F100
I HAVE THE FLOWTECH HEADERS , I had to modify my shift lever (into trans) so the headers would clear . spend a little more for better headers and less headaches on install .
flowmaster 2 chambers will be LOUD , I have the summit brand knock offs
I have series 40 flowmaster 2 chambers on my 428cj and don't consider them loud at all.
 
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Old Mar 3, 2015 | 12:50 PM
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what headers would y'all recommend ?
 
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