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280h By Dusty - 02/01/2006 9:16:40 PM; IP 68.155.189.115 i just started my 390 after a long rebuild. i put in a comp 280H with a edelbrock perf. rpm intake and headers. i just broke it in and havn't realy had it on the street yet but it seems pretty sweet. it doesn't realy have rough idle like i thought and wanted, it is noticeable tho. if u didn't want to go to raddicle i would go with the 268h. i was told to expect a huge power gain with the 280h. plus u've got a automatic trans and unless your have some shift kit if they even are available then u won't realy get to take advantage of the 280's full rpm band. thats another thing, don't forget to make shure that all your new parts rpm bands are the same and since you've got a auto trans i would stick with the more off-idle to mid 4's type cams. just my two cents. i've spent a long time reading P.A.W. picking out matched parts so i know the feeling.

This thread, so far...

Skip Navigation Links.  engine build -- eddie mcmanus, 01/29/2006  Cams -- Royce P, 01/29/2006  RE: Cams -- eddie mcmanus, 01/29/2006  268H is way more than the stock 390 GT cam -- Royce P, 01/30/2006  Try again -- Royce P, 01/30/2006  RE: engine build -- giacamo, 02/01/2006 280h -- Dusty, 02/01/2006

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