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Old 11-16-2006, 09:30 AM   #1
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The Imagine Autosports website http://www.imagineauto.com/boxster%20sc.htm has this to say about the addition of their SC kit to a base 2.5 boxster engine:

"Real world results were completed on our in-house AWD Mustang Dyno. Base line results were apx 150RWHP increased to 230RWHP. That is a 38% gain by using your weekend to bolt on our supercharger kit."

I don't agree with their statement about a base 2.5 making 150whp. Mine made 169 before I added headers. Naturally, this drops their percentages a lot too.

I sure would like to see some dyno information from one of our 3.4 Boxster forum particpants to know what their true WHP (and torque) numbers are. Then we could do a true apples to apples comparison by dyno results.

Then, it would be good to tally up the total cost for each power upgrade path and find out how many dollars per WHP each costs. That would be very illuminating.

Some guys like me don't need the most HP money can buy. We just want more HP than we have, and we want enough to feel a sizeable difference in the butt dyno.
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Old 11-16-2006, 09:38 AM   #2
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Just do the whole engine swap. It will be alot more reliable!
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Old 11-16-2006, 10:44 AM   #3
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I'm going off of what PorscheDoc said. Hes dealt with 3.4 conversions and superchargers and told me the supercharged is quicker and cheaper. I don't think ive ever seen a conversion dyno, but itd be easier to find a supercharged boxster and a conversion and race them. Lets put a stock boxster in too and see how much difference either mod makes.
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Old 11-16-2006, 11:20 AM   #4
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My luck, I would swap in a 3.4 and it would have an RMS problem.
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Old 11-16-2006, 11:26 AM   #5
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^^^ Your telling me. With my luck, I do the conversion and my dog dies.
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Old 11-18-2006, 09:40 AM   #6
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Thumbs up Swap.............

Do your research, but I spent alot months mulling over SC or 3.4L on my 99 2.5L. In the end the 3.4L will cost more, but it is Naturally Aspirated and more reliable. This piece of mind is worth it. I know someone who did the SC inthe first place and in the end after 2 yrs, the engine self destructed. He went with a 3.4L swap and advised me to do this rather than SC. Poor 2.5L :-(. A perfectly good engine too. This just IMHO. The 3.4L is a blast!!!
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Old 11-18-2006, 09:38 PM   #7
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Quote:
Originally Posted by RandallNeighbour

"Real world results were completed on our in-house AWD Mustang Dyno. Base line results were apx 150RWHP increased to 230RWHP. That is a 38% gain by using your weekend to bolt on our supercharger kit."

I don't agree with their statement about a base 2.5 making 150whp. Mine made 169 before I added headers. Naturally, this drops their percentages a lot too.
I remember reading when TPC did their dyno test on a stock 2.5 before adding their supercharger, their result was around that range, but I thought theirs was in the high 130s.
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Old 11-19-2006, 08:41 PM   #8
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My 2.5L dialed in at 165 RWHP.

I don't trust HP claims... 99% B.S.

Do the 3.4L swap. Just be patient and save up a few more months. :]
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Old 11-20-2006, 04:12 PM   #9
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My 3.4 put downd 280hp at the wheels, Imagine's 3.2L Supercharged car put down 285 on the same dyno according to the owner of that car.

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Old 11-20-2006, 09:58 PM   #10
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Quote:
Originally Posted by tholyoak
My 3.4 put downd 280hp at the wheels, Imagine's 3.2L Supercharged car put down 285 on the same dyno according to the owner of that car.

Todd
Exactly, a supercharged 3.2L would be in the 996 power range, not a supercharged 2.5L.
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