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Procharger or 408 engine build?

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Old Oct 6, 2006 | 03:56 PM
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Default Procharger or 408 engine build?

I just sold my truck and want to either procharge or build a 408. Its a 01 WS6 with 38k miles and mostly just a street car. I had the car dyno-tuned at EPP about two months ago and its currently at 353hp,362 foot-lbs and its a cam and exhaust only car. Im maxed out at $10k to spend and I'd really like to hit 500rwhp. I can only do one or the other(though I should do both) because I want to get a Moser 9" too. So what do you guys think would be the best.

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Old Oct 6, 2006 | 04:04 PM
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Sorry guys I mean a EPP's 382 engine build, I had my mind on two different engines at the same time!
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Old Oct 6, 2006 | 04:13 PM
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Build the engine to last for the future when you want to step it up again.
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Old Oct 6, 2006 | 04:55 PM
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I would build the engine and make the same power as you would with the blower. Then if its not enough spray the hell out of it
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Old Oct 6, 2006 | 04:56 PM
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if i had a choice to start all over again...

well, you could go two ways here...

One, get the motor built but with a low enough CR so you can deal with it for a while and keep you options open for FI in the near future.

Two, get the procharger kit and hold of on the motor until you want to go more power.

... or three. I wouldn't do the procharger. OhioForcedInduction (joel) has a nice, NICE turbo kit, which retains all accesories, for a great price. Anyways, i would do that and still have some money left over from the 10k for wheels, nice BOV, WG, or a gift for the misses... I, in the beginning, was all over the procharger thing. But you leave some much on the table. A turbo is great and you have the ability to custom build you power delievery with a turbo. BAsically, you can adjust how fast the power ramps up, for example, with a turbine housing a/r swap.

just research and see what you like, i really think if you want that much power go for the turbo...


good luck!!
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Old Oct 6, 2006 | 05:21 PM
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Hey man! To do the power you want, it all depends on what setup you go with. For $10k we can do a blower friendly 382 and quite a bit of extras. Our 382's are damn near bullet proof with the amazing callies crank we use. If your looking to get over the 500whp, you will need more of a fuel system.

We just finished a 382 that was built for nitrous, but the customer used our forced induction cam, we managed 460~ rwhp. Not too shabby, you could also do a D1sc procharger with our front mount intercooler option.

500hp is really easy to obtain with the ls1, with nitrous, boost or even NA.
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Old Oct 6, 2006 | 05:56 PM
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i'd have a forged to all hell 383 built - with modest heads / cam ect.
and spray the hell outa it.

that way you can get a nice reliable / streetable car and a real beast when you need it.

no matter what you do i'm sure you'll have a blast! I wish I had your problems... how to spend 10K....

good luck!
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Old Oct 6, 2006 | 09:31 PM
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spray it first then do what i did... BOTH
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Old Oct 6, 2006 | 10:22 PM
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Dude a 408 would be mad sick. You can always supercharge a 408 your cant 408 a supercharger.
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Old Oct 7, 2006 | 01:02 AM
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If it were me, I'd build a low compression stroker made for boost now, then just throw the Procharger on later when more funds become available. No, it's not going to make max power right now, but it'll be a helluva lot easier than pulling the motor later on to lower the compression. You can even spec out a cam to run while the motor is still NA that'll reduce the amount of power lost b/c of the lower compression, then stick a more boost friendly cam in when the blower goes on. Plenty of people have made over 400 rwhp NA w/ low compression strokers, but if you're set on 500 rwhp right now put a nitrous kit on there and spray a 100 shot, should be no problem for a forged bottom end. Then you can either sell the nitrous kit when the blower goes on to recoup some of the cost, or leave it on and use it w/ the blower Plus, while you're running it NA, depending on cam selection you may be able to get away w/ regular at the pump instead of premium Here's the results I found for a couple of low compression strokers while still NA...

https://ls1tech.com/forums/dynamometer-results-comparisons/500940-tsp-402-ls2-low-comp-dyno-s.html

https://ls1tech.com/forums/dynamometer-results-comparisons/521354-stalled-th400-low-compression-n-402-results.html
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Old Oct 7, 2006 | 10:35 AM
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or you could build the 382 with small cc heads like say 59 cc for a 500 hp combo now and use the jug, then later on you could swap out the heads for some 72 cc chambers and throw on a super/turbo charger.
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Old Oct 9, 2006 | 03:42 AM
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I agree, I'd to the 382 first if you know you're not going to stop at 450 to 500 rwhp by just adding a ProCharger to your car. By adding a good set of heads to the 382, the car will make a lot of power. Bob
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Old Oct 9, 2006 | 08:48 AM
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If you build a bullet proof 408(with the right parts)10k is a drop in the bucket...been there...
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Old Oct 9, 2006 | 11:37 AM
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Why not just rebuild the 346to a 347 save some money on parts as you already have the crank. Have fun with it and when you have the money for the supercharger put it on with some lq9 heads to lower the compression and have a killer set-up and not break the bank.
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Old Oct 10, 2006 | 09:04 AM
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500rwhp is fine with me. What do you guys think about a set of good flowing heads that will lower the copression and a FI cam. I should be around 500rwhp safely(at least thats what I've been told) and could save for a SLP 402 short block. Thanks guys!
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Old Oct 11, 2006 | 04:59 AM
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Originally Posted by makWS6
I just sold my truck and want to either procharge or build a 408. Its a 01 WS6 with 38k miles and mostly just a street car. I had the car dyno-tuned at EPP about two months ago and its currently at 352hp,366 foot-lbs and its a cam and exhaust only car. Im maxed out at $10k to spend and I'd really like to hit 500rwhp. I can only do one or the other(though I should do both) because I want to get a Moser 9" too. So what do you guys think would be the best.
We could do the ATI ProCharger D-1SC install listed here, and also the Moser 9 inch, and squeak you in at 10k before state sales tax. At this price we would be throwing in the installation of the nine inch for free. With your cam and exhaust you would be right at the 500 rwhp window, and with the air/fuel ratio at 11.5/1 at wide open throttle, you would have a dependable combination. Bob

http://www.exoticperformanceplus.com....php?service=5 Link to info listed below.



Over 500 hp out the door, and will still get great gas mileage!

Our standard 8 psi system for $7,500.00 includes:

ATI ProCharger pn#1GJ204-SCI D-1SC 8 rib supercharger with the larger 4.5" twin high-flow intercooler system.

EFI Live programming and tuning on our Mustang Chassis Dyno.

Siemens 60lb fuel injectors.

Holley/Walbro 340 in tank forced induction fuel pump with in-tank modifications.

Spark plugs for forced induction.

ATI Performance Products Harmonic Balancer, which is required for the 8 rib belt assembly.

Includes our dyno computer tuning and complete print-outs!!!

The D1SC supercharger system carries a 1-year warranty from ATI.
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Old Oct 11, 2006 | 06:27 AM
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Bob, I'll most likely go with your setup and bring it to you guys until I can afford to add a forged bottom end. My Q is could I still hit those numbers seeing as I currently have TR224 112LSA, and still running stock heads? I could install your FI cam myself and find a set of heads because I'm going to be short on the cash after the procharger and 9'. I just had your guys dynotune my car and did a great job and I will come back. Thanks!

Last edited by makWS6; Oct 11, 2006 at 07:18 AM.
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Old Oct 11, 2006 | 08:18 AM
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Originally Posted by makWS6
Bob, I'll most likely go with your setup and bring it to you guys until I can afford to add a forged bottom end. My Q is could I still hit those numbers seeing as I currently have TR224 112LSA, and still running stock heads? I could install your FI cam myself and find a set of heads because I'm going to be short on the cash after the procharger and 9'. I just had your guys dynotune my car and did a great job and I will come back. Thanks!
Thanks, I think you'll be at 500 rwhp with the cam you have in there, we've done it before. Bob
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