Equal Length Long tube headers - Page 6 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 09-07-2010, 10:57 AM   #51
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Those are really nice logs. Will not need anything more than that. The inner diameters should work well with the short distances to the turbo. As long as the turbo is well matched you should be OK. Is this for street, street strip or strip only? With front drive you probably don't want instant spool anyway. That thing is going to give serious pain to the front tires as it is.Do you have mods to the motor to support this turbo'* potential or are you going to back down until later mods allows full utilization? Nice work though. I did the same as you. I fabbed everything up and tacked and gave it to a pro to finish weld my stuff. This is what mine sended up looking like in the end.

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This is a site that I had the TA on. Now it is in the new owners name. This shows pics of the turbo sytem all assembled on the motor but on an engine stand.

http://www.americantorque.com/page/0/70/

You can see the Tri-Y headers adapted to the system. Mark L
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Old 09-07-2010, 11:01 AM   #52
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Now that the value of the SSEis have dropped I would like to buy a smaller car for my wife and I and take the SSEi and put the engine front to back with a standard trans and regular rear end. I just have to figure out how to do big mods with the emmisions checking down here. Anywho, probably never happen anyway. I'll be lucky to get my '63 Catalina project done. But ya'* gotsta dream. Mark L
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Old 09-07-2010, 09:34 PM   #53
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CLEAN setup. Looks good.

That log setup has unfortunately been sitting since I finished it up last year.. IIRC The turbo should be geting into it'* efficiency range at about 19 or so PSI according to the compressor map. But, not bad at all under that.

The stock cam isn't too bad for a turbo setup and 1.9 RRs could get that thing moving. But for not it sits..
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Old 09-07-2010, 10:11 PM   #54
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Yes the word "project" infers "not done", in my dictionary, heh. The TA I showed you was found in a barn completely dismantled. Took me 3 years to get running. Then I tore it down to upgrade the motor further. Sat for another 3 years, then I installed nitrous. Then added a T-ram and nitrous, and then the turbo system. I bought it in '99 with 58,000 miles on the clock. Then I sold it with 65,000 on it this spring and that was with a 3:73 gear in the bcak after the stock 3:08s were taken out. So the speedometer was always running a lot faster so it probably had more like 62000 on it.That was in 10 years so it sat--a lot--. Then when I got to a point where I could probably really use it and enjoy it---- I sold it. There must be therapy somewhere for that kind of affliction??? So you have a ways to catch up to me, heh. I've seen where many recommend the higher ratio rockers. But I've never dug into the SSEi engine configuration. Is it much work to replace the rockers? I can't have the car down for long. I don't have a problem doing the swap, Just wondering about all the periferals involved. Is the back cover hard to work on. I'm not as young as i used to be and after back surgery, not as spry, heh. Guess I need to start searching for the posts covering the installs. But I keep putting it off so I don't actually start digging in. The car is totally stock with about 117,000 on it. I'm afraid to start building power and then stressing the older trans etc. I probably should have never started even looking at the site here. Gets me thinking and wanting. Just don't tell my wife. Mark L
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Old 09-08-2010, 03:57 AM   #55
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Mark, it'* a pleasure to have you aboard! Please ignore all financial responsibility and mod away. Take lots of pics. Good luck!
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Old 09-08-2010, 10:42 AM   #56
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OK so the checks in the mail??? Heh. I'm retired on a very fixed income. Been trying to get a parttime job to fund my wants but no one is hiring. I'm selling everything not needed for the Catalina but the SSEi is under the home budget. But it needs tires, struts/shocks, and brakes now. I was hoping to fall into a tire/wheel buy on Craigslist or e-bay that would get me some nice wheels for the price of just new tires, but I'm too damn picky to take what'* been showing up. I need to read more of the board/boards to see what really fits nice and snug but tall and wide.
Anywho, thanks for the welcome. I guess it'* time ot get my feet wet on the board. Mark L
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Old 10-14-2010, 11:41 PM   #57
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I got the rear mount done today after work:







The crossover isn't lining up exactly like I want, so I still have to fix that, and I want to make part of the front bracket a little better.

Other than that these puppies are doneee.

I'm supposed to get a beater i30 in December. Soon after that my car goes down. Before the engine and trans come out these will be mounted and test fitted. Hopefully no major tweaks there and then they're going to jet-hot.
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Old 10-16-2010, 09:43 PM   #58
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Old 11-11-2010, 10:15 PM   #59
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I got two test fits in today.. Building long tubes is definitely not for the faint of heart.

I had to remove the front mount, disconnect the torque axis mount, and drop the rear of the subframe about 3/4" to get the rear TOG header out.
At that point the rear long tube just slid right in which was awesome. It is making contact with one if the hard lines on the p/* rack. This particular hard line would be super easy to bend slightly out of the way.

I had to remove the p/* fan and top plastic rad support to get the front long tube in. I had planned on a slim fan for the p/*. So, no surprise there.

The cross over also fits.

Then I took a look under the car and.. The rear header was too low.. Low enough to where I'd be worried about bottoming it out.

So..

I measured the difference in height of where the rear header ended up and how high the rest of the exhaust was with a scissor jack. 2"
I mounted up the headers on the mock up station, marked on a piece of cardboard the height of where the rear header ends up, measured 2" higher and marked that, chopped the rear header and re positioned the rear portion, suspended the rear portion at the desired height and orientation, and tacked the center primary. Then I cut small sections to fill the other two primaries and tacked them in. And finally did another test fit of the rear. And it fits real good. Now I have to modify the crossover, weld everything up, and do one last test fit. All test fits are/will be done with sub frame tightened, the T/A mount, front and rear trans mounts, and the passenger side trans pan resting on a board and scissor jack to level the drivetrain out like the dogbone would.

The two inches were remedied mainly by changing the angle of the rear header at the point I chopped it. It angled down to the lowest point which was 2" too low. I didn't remove 2" from the primaries.





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Old 11-11-2010, 10:29 PM   #60
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Wow, more work then I would want to do, for now. Looks really good so far.
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