Dyno before and after QTP longtubes and Y?
10-31-2009, 01:32 AM
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Dyno before and after QTP longtubes and Y? I just bought some and was wondering if anyone had had a few runs before and after so I could see the power gain. I plan on doing mine, i'm just curious
11-01-2009, 12:27 AM
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Yeah I havent started yet. I'm waiting on my Strano's to get here so I can do it all in one swing. My friend just put his TSP's on and he said it was a pain. no fabrication though he said his bolted right up. I'm hoping for the same luck
11-01-2009, 07:46 AM
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Its not too hard comparitively speaking to other vehicles but then again I worked at a muffler shop for years and done header swaps on alot of vehicles. I even got to lookin forward to doing swaps on LT1 cars compared to some of em.
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11-01-2009, 11:59 AM
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Just plan on two 8hr days installing the headers. It should only take a day, but if you run into troubles at some point, you can walk away and continue later on. this works for me because I don't work well when Im pissed off lol. It's not that difficult of a install, you just need alot of patience!
11-01-2009, 12:24 PM
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i just did a set of slps and from what ive read they are almost if not the worst to install. Wasnt too bad but did take a couple days with trial and error. Good luck on your install and remove the plugs. i cracked three trying to get the headers up in place.
11-01-2009, 07:14 PM
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11-02-2009, 01:28 AM
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Anyone have any experience with a spring install? I'm raising mine up from the sportline drop to the Strano's whenever i get them (hopefully soon
). Just wondering how difficult it will be.
). Just wondering how difficult it will be.
11-02-2009, 01:51 AM
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Headers. Apparently none of you guys have installed longtubes on a 3rd gen 
4th gens are super easy. i had a lift & air tools at my shop it only took 3 hours for full header install minus the engine mounts.
i would highly recommend you install some poly or solid engine mounts before you install the longtube headers, its also a good time to install new spark plugs and wires if you got them, i installed new GM exhaust gaskets they work great. yes i have installed spings on 4 gens. you will need a good spring compressor tool and a alignment after the front springs are installed.
i had the the SLP suspension package, and installed koni 4/4 and Strano springs, and man it was a world of difference, so it was already about the same ride height but still needed a alignment and PHR for the rear.
good luck
4th gens are super easy. i had a lift & air tools at my shop it only took 3 hours for full header install minus the engine mounts.
i would highly recommend you install some poly or solid engine mounts before you install the longtube headers, its also a good time to install new spark plugs and wires if you got them, i installed new GM exhaust gaskets they work great. yes i have installed spings on 4 gens. you will need a good spring compressor tool and a alignment after the front springs are installed.
i had the the SLP suspension package, and installed koni 4/4 and Strano springs, and man it was a world of difference, so it was already about the same ride height but still needed a alignment and PHR for the rear.
good luck
