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Old 01-24-2007, 11:02 AM   #1
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3.4 conversion pics

Thought I'd show off a few pics of the 3.4L recently installed into my 99 Boxster...

http://picasaweb.google.com/ian.heaton/99634LEngine
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Old 01-24-2007, 11:19 AM   #2
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Thats inspiring. Is it a direct install? if not, what needs to be hacked?
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Old 01-24-2007, 11:31 AM   #3
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there were 2-3 parts that my old engine had to donate..tho i don't exactly remember which ones other than the flywheel..which is about 1/4 inch less think than the 996 flywheel

a new sport clutch was required.

the motor mounts had to be shaved a bit so right-side of the intake wouldn't rub against the top-front of the engine compartment where the heat shield attaches.

the boxster's ecu has to be reprogrammed to recognize the new engine or you end up with a larger engine that has the power of a stock boxster and backfires...

new headers and cats are required...tho i ended up using my old muffler because the used dansk exhaust system i got was for an 'S' model and the mounts are different so something would have had to have been fabricated and i was impatient about waiting for that...
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Last edited by idheaton; 01-24-2007 at 11:41 AM.
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Old 01-24-2007, 11:35 AM   #4
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Oh i see, So the exhaust.... You used the stock non-S exhaust that came with your 99 boxster?
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Old 01-24-2007, 11:43 AM   #5
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i was only able to use my original stock muffler...i did have to use the different headers and cats that i purchased
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Old 01-24-2007, 01:24 PM   #6
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nice man, how much was it to get it installed? aside from the cost of an engine if you dont want to reveal that its ok, u can jsut PM me.
thx
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Old 01-24-2007, 04:09 PM   #7
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WOW!


The engine compartment looks so cramped. How did you manage to work in there???


Any dyno results? Will it be making the same hp as a 99 carrera?
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Last edited by Bavarian Motorist; 01-24-2007 at 04:20 PM.
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Old 01-24-2007, 09:29 PM   #8
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you can see approx what i spent on the conversion here

TPC Supercharger for sale

i posted in the classifieds and it seems there was more interest in my conversion.... than what i want to sell...

as far as working in there...i didnt personally but i watched (and even helped a little) the mechanic work on the conversion. the car is put on a lift and basically lowered onto the engine and then attached to the mounts and cv's...as far as on the top it was just the a/c, some wires/plugs and a couple of tubes that had to be connected so it wasnt so bad. the serpentine belt was put on after the engine was installed (because of having to hook-up the a/c compressor and that was done by removing an access plate behind the seats.

no dyno but the engine is supposed to put our around 310 hp and 245 torque
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Last edited by idheaton; 01-24-2007 at 09:41 PM.
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Old 01-25-2007, 04:55 AM   #9
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Man, I would love to see a dyno comparison between that and a stock 2.5... must be quite a difference. Are you going to be upgrading the brakes for the extra power of do you feel it isn't necessary?
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Old 01-25-2007, 06:02 AM   #10
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atm i have no intention of upgrading my brakes, maybe if i were going to take the car to the track on a regular basis i would think different but the stock brakes are (imo) excellent and more than sufficient even with the extra power.... not to mention i have pretty much gotten most of the "stupid" kind of driving out of my system where i might need that extra few feet of stopping distance...

i really love the feel i get from the pedal as well....i barely press it and get almost immediate feedback, unlike a friend's c6 where the pedal felt kinda mushy and i wanted an immediate response that i was slowing down...hehe...okay i did say "most" of the stupid driving

maybe i will check with my mechanic and see if he knows where i can have it dyno'd... i am kinda curious about what i have on tap myself
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Old 01-25-2007, 07:32 AM   #11
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How does it run ? Take a video, no one has done it atleast that I know of.
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