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Hope someone can help.
If I am getting an S/C at a later time, would you all suggest to do the H/C package first or do the LG LT headers and exhaust first?
Would I benefit from the H/C package without having a LT header and exhaust or should all this be done at the same time?
Current configs are 3.15 A4 with Halltech Stinger. Thanks.
There is certainly an argument to wait until you're ready for a forged motor before you do heads and cam.
Which supercharger are you planning on? Not all seem to benefit equally with long tube headers. In the centrifugal world (Paxton, ProCharger, Vortech) you notice a large torque increase with long tubes.
I agree if you are thinking about going with one of Andy's system call him he is the expert. He gave me plenty of help long distance in San Antonio with my upgrades. You can not go wrong telling him what you want to do and he will give great advice and support throughout the process
Just get everything done in stages......with your final goal in mind (which will change as your appetite for hp increases). Never assume that enough is enough. What is your ultimate hp goal right now?
For a street car/ daily driver.... I would just get a blower cam, stock heads, and a magnacharger and some long tubes. Stock bottom end. Around 500 rwhp/500 rwtq.
If you want to get crazy (no one plans on this route from jump). Get a forged motor and a centrifugal. 600+ rwhp
I've gone through (stage I h/c) to (stage II h/c) to (stage II h/c and procharger) to a (408 stroker) to a (408 stroker w/ spray).....next is some turbos or KB...... I could have saved some dollars on the way if I admitted to myself from the beginning that I would not be happy until had too much hp....LOL
Just get everything done in stages......with your final goal in mind (which will change as your appetite for hp increases). Never assume that enough is enough. What is your ultimate hp goal right now?
For a street car/ daily driver.... I would just get a blower cam, stock heads, and a magnacharger and some long tubes. Stock bottom end. Around 500 rwhp/500 rwtq.
If you want to get crazy (no one plans on this route from jump). Get a forged motor and a centrifugal. 600+ rwhp
I've gone through (stage I h/c) to (stage II h/c) to (stage II h/c and procharger) to a (408 stroker) to a (408 stroker w/ spray).....next is some turbos or KB...... I could have saved some dollars on the way if I admitted to myself from the beginning that I would not be happy until had too much hp....LOL
You nailed it on the head. I want a streetable 500rwhp car. I know it is difficult to achieve on an A4 platform and you are right, I want to do it correctly from the start. Thanks for the input.
If you change the heads and cam, you change your power band and lose low rpm performance. If you are going the boost route, unless you want over 700 hp don't change your power band with a cam swap. Just up your boost levels. You will retain your low rpm driveability. I get over 30 mpg's on the hw and 17 in city with lots of low end torque on a stock cam and 16 psi.
If you change the heads and cam, you change your power band and lose low rpm performance. If you are going the boost route, unless you want over 700 hp don't change your power band with a cam swap. Just up your boost levels. You will retain your low rpm driveability. I get over 30 mpg's on the hw and 17 in city with lots of low end torque on a stock cam and 16 psi.
A4 or MN6 platform? But would you not want to end up forging the engine anyway?
Hope someone can help.
If I am getting an S/C at a later time, would you all suggest to do the H/C package first or do the LG LT headers and exhaust first?
Would I benefit from the H/C package without having a LT header and exhaust or should all this be done at the same time?
Current configs are 3.15 A4 with Halltech Stinger. Thanks.
If you are aiming for a reliable daily driver and do not want to go the forged psiton and rod route, then add the headers and run our S-Trim kit. You should also consider swapping to 3.42's vs the 3.15's.
A4 or MN6 platform? But would you not want to end up forging the engine anyway?
I started with a bone stock motor and thought about making cam changes and more boost. I'm running a forged short block with almost stock intake lobe numbers. The exhaust lobe is designed for a boosted application-custom grind. But the rpm band is unchanged and I enjoy all the drivability of a stock grind. I just upped the boost to get the performance I wanted (o-ringed). If I stay out of the boost, I get good mpg's. I drive my '04 C5 just about everywhere (daily driver) and can depend on it in heat or cold. I put the money into it where it would produce the most bang for the buck-internals. It's a 6.