Stroker vs Supercharger
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Stroker vs Supercharger
Gentlemen,
I think I understand the choices - here is the scenario - you have let's say $10K to throw into an otherwise healthy S4. Do you do the stroker or the blower and why?
Let's not get off on the tangent of big brakes, suspension, etc. Let's assume these important things were done already.
I think I understand the choices - here is the scenario - you have let's say $10K to throw into an otherwise healthy S4. Do you do the stroker or the blower and why?
Let's not get off on the tangent of big brakes, suspension, etc. Let's assume these important things were done already.
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$10k for a stroker?
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A stroker for 10k? give give, sign me up quick...!! More like 20k..
Anyway, for 10k.... blow your engine all the way to the shop and back... oh, add a few hundred for an adjustable boost controller and have as much fun as you can..
Blower gives you more hp/tq per $ spent than a properly built stroker.
Then, you could be insane, and just build a blown stroker huh..?
Anyway, for 10k.... blow your engine all the way to the shop and back... oh, add a few hundred for an adjustable boost controller and have as much fun as you can..
Blower gives you more hp/tq per $ spent than a properly built stroker.
Then, you could be insane, and just build a blown stroker huh..?
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former..."few grand to install" the $7,500 gets you the stroker parts .....next you must remove ,rebuild ,and reinstall . A more accurate guesstimate would be 3 times $7,500 and some have paid much ,much more !
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Hm for 10k do the supercharger and Standalone engine managment. www.sdsefi.com, and headers while your at it with a 3.5inch exhaust so when you start the car it puts the fear of god into lesser cars.
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If money is no object - blown stroker motor is the only way to go.
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Originally Posted by Hacker-Pschorr
If money is no object - blown stroker motor is the only way to go.
#12
Originally Posted by Adam C
Wow - Decision made. What about the pros and cons of either money aside?
Superchargers: Installations have been done in a weekend or even in one day
Strokers: Installations may take one year? Two years? Three years? Four years? While four or more years may have been extreme examples, 1+ years seems to be a pretty common time frame.
Superchargers: A number of dyno sheets have been posted showing 400+rwhp on an otherwise stock S4.
Strokers: Dyno charts seem to be pretty rare, but the chart Devek has in their catalog for a base stroker kit on an S4 shows 318rwhp.
Supercharger: Can be quickly and easily removed and the car returned to stock if the owner ever wants to for some reason. Can be easilty transfered to another 928 if the owners gets a different one.
Stroker: None of the above.
Good luck with which ever way you decided to end up going.
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You should clarify the type of supercharger you are looking into...they are very different animals. In my opinion, if you are talking $10,000+/-, there is only one supercharger option and that is positive displacement. Centrifugal vs Stroker, I would take the stroker any day. Positive Displacement vs. Stroker, I would take Positive Displacement assuming it is properly done. You then have the power now, no waiting for boost to build as you do with Centrifugal units. The CS offers less parasitic loss, but the Positive offers more power where you need it.
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[QUOTE=John..] Centrifugal vs Stroker, I would take the stroker any day. QUOTE]
You would.
I'll take the low end grunt of the stroker and top it off with the safe, gradual build of boost you get with the centrifugal. It is safer to run higher boost with more RPM, therefore you will always be able to run more boost with a centrifugal for a given application which ultimately will make more power.
Just my opinion of course.
You would.
I'll take the low end grunt of the stroker and top it off with the safe, gradual build of boost you get with the centrifugal. It is safer to run higher boost with more RPM, therefore you will always be able to run more boost with a centrifugal for a given application which ultimately will make more power.
Just my opinion of course.
#15
Originally Posted by John..
Centrifugal vs Stroker, I would take the stroker any day.
Originally Posted by Tim Murphy
You would.
It might be worthwhile for those interested to compare the relevant dyno charts on the following web pages:
Stroker dyno chart
Centrifugal dyno chart
Go ahead and compare the charts at various RPM points, and not just the peak numbers as well.