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Old 02-15-2004, 07:52 PM   #1
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MAC longtube headers

Does anyone have these or know someone who does?
I need some input
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Old 02-19-2004, 08:54 AM   #2
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Want to buy a jet-hot coated set brand new.
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Old 02-19-2004, 11:28 AM   #3
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all i can say is my MAC shorties look like they were welded by high school kids, and they didn't mount flush even, and i have an exhaust leak that i haven't been able to fix. i know nothing about JBA, but it gets my vote because it can't get worse than MAC.
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Old 02-19-2004, 11:33 AM   #4
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I haev JBA shorties on the way, Ill let you guys know if they go any better
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Old 02-19-2004, 11:34 AM   #5
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I Had JBA shorties..

Would not do it again.

Nice headers, but why waste the money on shortys?
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Old 02-19-2004, 11:36 AM   #6
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cuz i got a cracked manifold, and the quality look better than the MACs.
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Old 02-19-2004, 11:41 AM   #7
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I have a friend with Mac long tubes on a GT, has no problems with em
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Old 02-19-2004, 11:19 PM   #8
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To many bad comments from MAC. Even though JBA is short tube, they gotta be better than MAC.
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Old 02-20-2004, 12:40 AM   #9
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JBA doesn't make longtubes? I'm pretty sure anyone that would make one length would make the more popular LT's...

weren't the MAC LT's for some reason or another associated with GT's burning oil... i remember reading up on some freak correlation with some late model GT's having definitive problems with some sort of LT's.
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Old 02-20-2004, 08:51 AM   #10
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Quote:
Originally Posted by Dom
To many bad comments from MAC. Even though JBA is short tube, they gotta be better than MAC.
longtubes are better than shorttubes in just about everything.

Mac just has quality control problems, otherwise its a decent product.

I'll be getting LT's in a few weeks.
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Old 02-20-2004, 10:39 AM   #11
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I guess its a hit or miss kinda thing
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Old 02-20-2004, 09:20 PM   #12
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Quote:
longtubes are better than shorttubes in just about everything.
I know that, I was talking about product control.
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Old 02-28-2004, 07:24 PM   #13
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ok now . who has MAC long tubes on a v-6? I know they make them

I am building an '83 'vert with an '87 v-6 motor (pre FI ) cause my car is carbed,I dont wanna change it. I will be running a Edelbrock 300cfm holly based 4 bbl on a morana (or whom ever) intake .I am also running a 4.2 bottom end ,flexplate to damper ,pistons and rods (which dropped into my '87 block) and will be running a cam from RGR, with p+p heads and upgraded valves.
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Old 02-29-2004, 04:24 PM   #14
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v6stanger, ok yes maybe I do .but I wish to see them on a car or at least a set in my hands to see if they will fit my application where you at in B-more?
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Old 03-02-2004, 08:16 AM   #15
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I'm in the White Marsh and Bel Air Area. My buddy Dan Haga lives down the street and he's got the mac longtubes on his car I'm sure he'd let you take a look at them one day if you came up.

Mine are just sitting in my room.
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Old 03-05-2004, 08:10 AM   #16
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I have longtubes and had no problems with flush alignment to the heads. I used new gaskets though.

The install was a pain and I kept retightenting the header bolts for a good 2 weeks after just to make sure everything was tight.

Since I may be going blown, it will be worth it, if I don't, it was a waste.
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Old 03-08-2004, 07:34 PM   #17
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V6Stanger, if I paid for you alls gas and time, would you and your bud come up on a sunday (when I'm off) to compare clearences while my engine is still in the car before it goes to the painter? My car is immobile due to disassembly or I'd drive it down. I'm about a 2 hour drive from your location.

plus dinner is on me for you both (spouses included) car is due at the painter's on April 1, 2004
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Old 03-09-2004, 10:55 PM   #18
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