Look at the kit, not the headunit if going centri.
Twin screw blowers tend to be popular with the 4.6 crowd because of how little torque they make. The exact reason you have 4.10's in your car. Multiply that torque and improve the low end.
Those 4.10 gears will fit a centri kit well. But look at the entire kit, not just the headunit. Self contained units like prochargers are nice. You can get those in a vortech or paxton(same as vortech, they own paxton) in the smaller blowers. I ran my 1500(same size as a p1sc, 1200cfm blower), and was great. However, don't shy away from tapping the oil pan on a non self contained unit.
Also, where you live, and the heat we see, the best thing you can do for your car is get a good kit with an intercooler, and put an alky control meth kit in the car. It will do wonders to ease the stress on the motor on WOT and it isn't used until you are WOT and hit a certain boost/RPM. Basically, you can drive across the country with your meth kit and not use a single drop, and the stuff is cheap to refill.
have you looked at the tork tech kit? if i could go back and do it over, i would have gotten that kit with the tvs blower.
I also like the fact that, with a centi, the motor would "essentially" be operating like an N/A motor until you hit boost whereas the KB is almost instantaneous boost and the motor would be constantly under strain.
Ohhhh, I like that. I'll have to look into that further. Is there a particular brand/setup that you would recommend?
I've looked at the Tork Tech kit in-depth and I just think that it's too much of a PITA to piece the kit together. If you want to do it for a lower price then you basically have to be EXTREMELY patient. I dont want to spend a year or more just piecing it together.
I often wondered if you could get away with running regular 87-octane on a blower car with meth injection? The car running around under vacuum shouldn't need any additional octane than any other N/A car. Every tuner I spoke with recommends against it, but none will come right out and say why? Are the current water/meth kits on the market not fast reacting, or accurate enough?
Not true. There is a vacuum-operated bypass valve on PD blowers that allows the air to recirculate in the blower. The extra strain on the motor from turning a free-rolling supercharger (read: not making any boost) is negligible.
http://www.alcoholinjectionsystems....r-Methanol-Injection-System/product_info.html
Best in the market.
And the folks there know what they're talking about, too. I had a lengthy phone conversation with them about my setup, and was told by AIS that I'd need at least 12 GPH to cool my setup down. Thinking that sounded a bit ridiculous, I called Snow Performance for their opinion. They told me that a single 3-4 GPH nozzle would easily cool my setup. Because my tuner (at the time) also said 3-4 GPH, I went with that. Well.......a 4 GPH nozzle barely touched my IATs, and made no difference in track times (I also lost a piston doing it this way...). 14 GPH brought my IATs down by 100+ degrees and I picked up 7 mph in the 1/4 on a very safe tune. AIS was right after all.
Also, if you're going intercooled anyway, it isn't really necessary. You can make 375 rwhp without meth on a very safe tune, or you can make 400 rwhp with meth on a safe tune. It's just slightly more complex and requires additional work (filling the tank, making sure nozzle(s) aren't clogged up periodically, etc.), and a more competent tuner/tune. Your choice. Just make DANG sure the meth is tuned properly (I can explain how if you want).
I think he's talking about the whole Tork Tech kit with the TVS blower, which is a complete, bolt-together kit. If I had a 2-valve and was looking for a complete, bolt-on kit, that's what I'd recommend as well. These new Magnusun blowers are within a percent or two as efficient as a twin-screw at lower boost levels (<15-16 psi), and make more torque lower in the RPM. That is absolutely how I'd do it if I was looking to spend $5-6k.
My advice between your two original post options: Kenne Bell. If you can't hook it, you can always put taller gears in (3.73s is the tallest I'd go). Being that you have an automatic (IIRC), hooking it in 1st will be quite a bit easier than with a 5-speed.
A centri is easier on your engine unless you're constantly in the boost.
I hate the idea of undoing a mod, such as your 4.10s. Losing money, on redoing mods is dissappointing. Centri's are awesome with 4.10s.
My 2 cents is keep the money from a gear swap, stick with 4.10s and get a centri.
I think it was an extremely fun investment, and I am still considering adding a meth kit, mainly so I can run more than 15* of timing 'safely' since I can not afford to purchase a new shortblock.
On another note... regardless of what KB tells you, you need to get it dyno tuned, I watched my MAF peg during the dyno run, and I was assured that I would not need a MAFia or 90MM lightning maf from KB. Dont run a canned tune, that is just asking for trouble.
What was the part# for the gatorback belt. I am using a kb intercooled 9psi kit myself with their tune. The shop must have had kb burn three chips for it before he was threw. I may bring it somewhere for a custom tune when I am ready to spent some more cash on her.Sneaky hit the nail on the head. I was talking about the Tork Tech TVS blower kit. Everything is there. IMHO dollar for dollar, it is superior to the kb 2.1 kit. Unfortunately, i did not know much about it when I bought my 2.1 intercooled kb kit... otherwise that is what you would see in my sig.
Let me put it to you this way. There is a guy on the forums here, bakos, who had the Tork Tech kit installed on his car from the same shop who dyno tuned mine (the first time). Bako's (if your still on here, correct me if im wrong) he was making 10psi through their kit. Kyle told me he dyno'd at 420+ rwhp with 15* of timing. I installed the kb 2.1 intercooled kit w/9psi pulley (it made 10psi), and I had bbk lt's, catted x-pipe, and flowmasters w/bbk cai and i only managed 390 when it was about 70* outside.
Now, let me tell you, I am extremely happy with the 2.1... It is a blast to drive, and it was WAY more fun with 4.10's. I did my own install, it was fairly straight forward (with the exception of the directions to wire in the BAP, but i figured it out). I think it was an extremely fun investment, and I am still considering adding a meth kit, mainly so I can run more than 15* of timing 'safely' since I can not afford to purchase a new shortblock.
The down fall to the tork teck is that you need to get a clearanced hood. The GT hood is too small for the snout. BUT, they come with necessary fuel upgrades, bigger TB, new MAF, bigger injectors (than kb's 36 lbers) etc. I had to pony up $ for a MAFia, and later an svt focus pump etc. I still can squeek more power out of mine with a 75mm tb, lightning maf, and some 60 lb injectors...
Also, look at the fact that the Tork Teck uses a seperate belt from SC pulley to the crank pulley. I have already chewed up the gates belt from kenne bell, and switched to the gatorback which by the way netted me almost 1 full psi over the gates belt (and according to KB, the gates is the 'best' you can get for their kit).
Dont get me wrong, the 9spi intercooled KB kit rocks... the directions are nearly impeccable, and it produces great results... I just think that $ for $ the Tork Teck is superior for many different reasons, including the fact that if you get the TVS upgrade, you have more potential later if you do decide to go forged... and trust me when I say that this an addiction and that you WILL get used to the power quick.
On another note... regardless of what KB tells you, you need to get it dyno tuned, I watched my MAF peg during the dyno run, and I was assured that I would not need a MAFia or 90MM lightning maf from KB. Dont run a canned tune, that is just asking for trouble.
SRT Handz all your engine bay needs is the COP conversion. Plug wires are neat but they clutter up the engine bay and distract from that blower awesomeness.
I am keeping the plug wires. Cheaper to maintain if anything goes wrong. COP's are WAY too expensive when one starts acting up. I have a whole backup sparkplug wires and coils. Thats why NASCAR uses Plug Wires cause they are tested true.
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