sully
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Posts posted by sully
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Did you want a front mount or rear mount turbo, check the compression ratio on your engine cause to be able to run more than a small boost (5-7psi) you will need lower compression. Ideally you would have about 8.5:1 and throw a good crank and some forged rods/pistons and you could throw down 15-20psi at it and have a fun streetable ride.
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Lay of the gas pedal!! I have a tahoe( Same year as steve) with the 5.3 in it. I have a K&N CAI, Flowmaster exhaust, and a flashpaq tuner currently tuned to perfermance. it has a gas saver setting but you will definitely lose performance. Honestly if you want better gas mileage, up the horsepower so the engine doesnt work as hard to push the truck. On another forum ther are guys who have put the 6.0's in with a supercharger( near future) and are averaging 24 mpg. but the cheapest way would be- CAI, full exhaust, and a custom tune by blackbear performance. they specialize in chevy trucks and cars and can tune the hell out of your truck. But if you go that route its best to have all your performance parts on before the tune. Check them out. I also have a 98 chevy silverado thats good on gas cause i did the mentioned steps above.
Don't know where you get your info from but I have a 6.0 and supercharger in my Tahoe and am lucky to get 13mpg, maybe 15 on the high side with mostly why miles.
I would stick to a set of headers, cam and tune if you want reasonable mpg. There is a write up on ls1truck about a 100hp on a budget build that would be good to look into.
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It sounds like you don't have enough storage, get a bigger air tank or add another one to the current set up. Just adding another tank will not help you build pressure faster but it will have more in reserve. Also a Viair 450c is good to 200psi, check the pressure in the tank to see where the regulator is set, you may have room to bump it up some. Stock electrical is fine with one Viair, even with two you are only pulling about 40 amps but check voltage with the compressor running and the engine at idle to see where you stand. Hope this helps you get started.
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look into seafoam, it is know to smooth the idle of older engines. Unless you are doing the swap yourself an LQ4 or LQ9 6L with tranny will end up being at least $5k installed, can be cheaper if you don't rebuild them before you drop it in. I'm nearly $20k into a forged 408 with a maggy but I am paying a shop to do it, would have been more like $16k if I could have done it myself.
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Get a donor car like a 5.0 mustang and put that into it. I helped a friend do a 5.0 swap into a mid 90's Ranger years ago and it was crazy fast when he was done.
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everyone using flowmasters!! especially around me!! try pypes , gibson or make it yourself, if you have access to a welder its not hard to do your own exhaust if you know how to weld and cut pipe
I like Corsa, Gibson and Magnaflow, Flowmaster has too much in cabin drone and gets annoying after a while.
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Look into that 4hp gain. It will be like the 20hp gain that air intakes claim: somewhere in the paperwork it will have a disclaimer that says custom efi tune required to make peak HP increase. This being said a good tuner can get more than 4hp out of a completely stock vehicle by changing fuel curves and timing, you can even do this yourself with a little research and EFI Live software. I have purchased TB Spacers in the past and have liked the look and the cool sound that they make when the air rushes thru them but they are a novelty item in the performance world.
Like you said earlier, you've done it and it didn't make much of a difference. You like it cause it was red and it looks cool and all that really matters is you are happy with your investment. If you are still running stock exhaust you will see a big increase from the intake system once you get all that extra air moving thru the engine.
When you are done look into a custom fuel map, it sounds expensive when you first look at it but you will bring all your mods together and get the HP gains you are expecting once it is seeing the right A/F and ignition timing.
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You wont see much performance upgrade on just an intake and exhaust on that 4.6L. Don't get me wrong it will help it breathe but not much actual HP gains. For the money a mild cam, air intake and short tube headers would wake that engine up.
VA Beach? I'm guessing Navy, where are you deployed to? I'm in Afghanistan, Army.
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Getting a job with the VA at your age is great, stick with it and you will have a rewarding career.
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do a 3/5.5 but make sure you get the trailblazer rear springs (extra .5" and better ride).
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use a 2 link, 3 link, or 4 link setup, it will remove the leaf springs all together.
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All depends on if you want a custom bag kit built or a bolt on cylinder kit. If you get the bolt on kit and don't plan on playing with it too much a single compressor and some small valves will be fine and I would guess you can get all the parts and install it yourself for between 1500 to 2000. You could go with custom setup and spend $5k plus depending on what kind of ride quality you want. Where are you? I'm sure someone here will have a recommendation for a shop in your area to start looking into what you want to do.
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A stock LS motor can take about 6-8lbs all day but if you want to have some fun throw in a set of forged pistons/rods/crank and push 14+ psi, now that would be a bad ass ride. Mmmm new Camaro SS with 850rwhp
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Air Ride Technologies is the way to go if you don't need it to lay all the way out. Check out the "free travel mod" for directions on how to cut out the rear bump stops and bracket and mount your own low profile bump stop on the frame.
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on older eclipse GSX would be fun, boost the hell out of it and the awd will put it on the ground. Other than that a V8 camaro/mustang would have potential, just depends on what you want. I'm working on an engine that will put 625ish HP to the ground in my Tahoe just for a fun little sleeper. Just about anything can be fast with enough money/time.
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bags for sure and you will still need a tank. The advantage of an EDC is that they fill way faster so you have more air to play with or you can have a smaller tank if you are short on room.
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you use an AC compressor for an EDC setup but you still need a tank for reserve. It is also an extra AC compressor not the one you use for your air conditioning in the truck.
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the vortec and other bracket style superchargers are easy bolt on intallation and like NEWLS1 stated the Roots style is more efficient but more labor intensive. If you want a bolt on power booster take a look into rear mounted turbo's, easy to install and fairly inexpensive plus it doesn't take power to make the power (ie the engine drag from the belt turning the supercharger)
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order the replacements from a company like KatSkinz and you can do it yourself. If not you need to be able to sew and that is not easy if you have never tried it before. If you get a kit you can do it yourself pretty easily.
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caps are great to smooth out your power but do nothing for you if you don't have the electrical to back it up. Don't tell a noob that they are the worst thing you can do to a car because if they are used properly they are fine, just don't think they are going to fix a voltage problem cause they won't.
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relocate the shock, just get some upper and lower shock mounts and weld them on. the airlift helper bags are the way to go to fix this problem.
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it's all good if they are the ones into it, police have interests and hobbies just like us and you found two that like car audio.
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not trying to be a dick but the video said "error occurred please try again later."
lol just kidding with the first part but the vid doesn't play right now
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I'll get one now if I can order a dual alt VCM that will work with one alt until I upgrade to duals in a couple months. Just let me know if this is possible (2003 Tahoe 5.3l)
Simplest tools needed to flash pcm
in Engine and Performance - Anything for that couple extra horses!
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Simplest tool for you would be postage and a box. Have who ever developed your tune flash your PCM. This is not something you want to get into if you have to ask this question.