Doug's Tri-Y headers install advice - Team Camaro Tech
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post #1 of 7 (permalink) Old May 17th, 14, 09:07 PM Thread Starter
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Jeremy
 
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Doug's Tri-Y headers install advice

Hi Guys,

I just bought a set of Doug's headers and am contemplating weather to try and install myself or just pay the local muffler shop to do it? They have done work for me in the past so I trust them and I have been quoted $300 to install the headers and weld up the collectors to my existing system which seems fairly reasonable?

From what I have read the install is a PITA and I just finished the classic auto air install which sucked *** so I am a little burned out to be honest...

Also I have no friends who are even remotely interested in working on an old car so I would be flying solo on this project.

Anyway, what are your thoughts \ experience?

For reference I have a 69, 350\Th350,ps, ac (aftermarket so clearance is ok)

Forgot to mention, I am using Alan grove brackets for pass side ac, drivers side alt and power steering pump
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post #2 of 7 (permalink) Old May 18th, 14, 09:30 AM
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Robert
 
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Re: Doug's Tri-Y headers install advice

I am really not sure about the Tri-Ys, but I did the installation of my Doug's long tubes on my '67 and it wasn't hard at all. I had to pull the plugs and do a little gymnastics to get them into position but I was surprised how easily they went in. I have passenger side AC (not currently installed) and alternator.

The only issue I had is that I had to notch the cradle for my Flaming River steering rack, but if you're running stock steering this shouldn't be an issue.

I feel your pain on the A/C install - I did one on a 65 Mustang once and it was challenging - their directions leave a lot to be desired.

Robert

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post #3 of 7 (permalink) Old May 18th, 14, 09:52 AM
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Mark
 
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Re: Doug's Tri-Y headers install advice

I've had a set of tri-ys on my car for four years, and really like them. You'll probably need to jack up the engine in order to get the driver's side in. There's plenty of room on the passenger side.

69 RS, Hugger orange/black, Deluxe interior, Sony AM/FM/XM/CD, PS & PB. 355, forged pistons, Eagle rods, balanced, Iron Eagles, 9.4:1 CR, .038 quench, XR270HR Cam, Z28 intake, FAST-EZ EFI 2.0, Thorley Tri-Ys, TCI 700R4, 2400 stall, 3.42 posi
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post #4 of 7 (permalink) Old May 18th, 14, 11:16 PM
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Re: Doug's Tri-Y headers install advice

Quote:
Originally Posted by LukeWarm View Post
I've had a set of tri-ys on my car for four years, and really like them. You'll probably need to jack up the engine in order to get the driver's side in. There's plenty of room on the passenger side.
X2 Did this on my 69 and my 68 with tri-Ys. The power steering box is the problem. I had to jack up the motor and install the driver side from underneath.

68 RS Coupe 355/350 TH, Detroit Speed, Hotchkis, Vintage Air, 8.5" 3.42 posi 10-bolt, MagnaFlow 2 1/2" exhaust, etc.

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post #5 of 7 (permalink) Old May 19th, 14, 09:00 AM Thread Starter
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Jeremy
 
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Re: Doug's Tri-Y headers install advice

Hey Guys,

Thanks for the input. I think I have made up my mind... For $300 and getting my car back on the road the same day I think I'll have the shop do it. Typically when I undertake projects on my own it's a few weeks before I finish it up. Also I think I am going to throw a whole new exhaust system under there so might as well have it welded up nice.

thanks
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post #6 of 7 (permalink) Old May 19th, 14, 12:20 PM
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Re: Doug's Tri-Y headers install advice

Nice headers. I lowered the passenger side in from the engine compartment real easy. The driver side best way I found was get the front way up in the air enough to be able to get the header flange 90 degrees into the engine compartment then turn into place. Not too hard either once you have the room to do the 90 degrees.

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post #7 of 7 (permalink) Old May 25th, 14, 10:26 AM Thread Starter
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Re: Doug's Tri-Y headers install advice

Hi all,

After looking at my mufflers more closely and finding that they were in bad shape I opted to let the local shop do the install and throw on a set of flowmasters. Two days later and my car sounds awesome and although I don't notice any improvement on the low end there seems to be a big improvement around 2000 and up. I mash the gas and holy crap it moves well. I have no clue on the specs of my motor, wish is did but it seems it is more off a passer than a burn out machine.

Thanks for the advice guys and to anyone wondering, the Doug's tri y fit great with zero clearance issues once they are installed. They also sound amazing with the flows
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