LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

MAC Header Install... WOOOOOHOOOO!!!

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Old 12-23-2003, 07:42 AM
  #16  
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You can get them off a set of JBA headers, or from JBA, if you have one of their products.
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Old 12-23-2003, 10:10 AM
  #17  
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Are these the ones that you have?

LINK

It's always encouraging to hear a positive header install story, keep us updated.
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Old 12-23-2003, 01:02 PM
  #18  
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any other way to beat teh Emmisions system, without having to buy a JBA product? luckily i have to smog this month, so im gonna do it the day before i install the MAC's...
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Old 12-27-2003, 09:47 AM
  #19  
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Well I got them on, no cat on the car, but I ran it open headers... OMG man, same sound as the long tubes, maybe a little quiter.

So I hooked up the catback, no cat or anything, off road pipe for now. Damn this thing sounds sweet as can be. Real nice lope through the muffler and awesome WOT sound.

However I did f'up a bit, I crossthreaded one of the bolts for the headers on the passenger side, and I destroyed my EGR tube trying to hook it up, so I ordered a new EGR tube which will be here on Tuesday.

I'd have to say I'm pretty pleased overall, the driverside #3 primary does hit the steering shaft however, so I'm gonna do a little grinding this weekend on it so it fits perfect.
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Old 12-27-2003, 11:30 AM
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Originally posted by Z95m6
how come you ditched the LT's. I've heard mid-lengths can be better but everyone on this board swear by LT's.
Not EVERYONE!

Frank
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Old 12-27-2003, 11:34 AM
  #21  
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Re: MAC Header Install... WOOOOOHOOOO!!!

Originally posted by Larnach
Man, these things went in in only 10 minutes!

It took me 3 days to do the Jet Hots, and 2 day's to remove them, with these MAC's, holy crap, the driver's side just plops right up there, easy as pie. The passenger side, just find the right angle and give it a little push and its good to go.

Now, once I finish the car up tomorrow, hopefully it will sound just as good as it did with the long tube headers.

Did you ever run the car in the 1/4 mile with the LTs? I'd be REAL curious to see what the difference is with the MAC headers.

Frank
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