02-17-2018, 09:32 AM
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#1
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Registered User
Join Date: Mar 2016
Location: Spain
Posts: 985
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IPD Plenums
Been reading a lot about plenum and throttle body mod. Seems Lot if debate, has anyone here done that mod and true thoughts did it give you a performance boost?
Don’t want a debate on cost vs benefit a true unbiased thought about the mod.
Thanks
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02-17-2018, 10:31 AM
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#2
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Artist, 986S tinkerer
Join Date: Aug 2013
Location: Montreal, Canada
Posts: 1,821
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This is exactly the process that I am currently undertaking. You might like to check out my YouTube channel where I am documenting the process. Part 3 will show the final install and the final dyno run.
https://www.youtube.com/user/12shoes2
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James now has: 2008 987S 6 speed
Crashed: 2010 987.2 pdk in speed yellow!
Sold to a cool racer chick: 2004 986 S
YouTube channel: the PORSCHE as seen by NewArt
www.youtube.com/channel/UCohdrH2xHTklM1thxk0KKOQ?
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02-17-2018, 11:02 AM
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#3
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Registered User
Join Date: Mar 2016
Location: Spain
Posts: 985
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Yes was watching your other videos. More interested in final results as I don’t have a garage to do the installation.
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02-17-2018, 02:13 PM
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#4
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550 Anniversary
Join Date: Jul 2012
Location: Surrey, UK
Posts: 747
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You don't need a garage to fit a plenum and throttle body. Some basic skills and a drive way space is more than enough. Done 2 cars like this using the 996 plenum.
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02-17-2018, 03:59 PM
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#5
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Registered User
Join Date: Dec 2006
Location: shoreham, ny
Posts: 1,619
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I did it a long time ago. You will get an increase in power but the best gain is when you kick into high cam, instead of having a power dip it actually kicks up nice an high
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996 3.4 engine with 2.7 986 5speed transmission
Ebay Headers, Fabspeed high flow cats, JIC Cross, IPD Plenum, H&R Coilovers, B&M Short Shifter, AEM Uego Gauge Type Analog, Apexi S-AFC Select, 987 air box, Litronics, 2000 Tails and side markers, painted center console, 18" 987 S-Wheels, GT3 Front bumper with splitter.
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02-17-2018, 07:23 PM
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#6
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Rennzenn
Join Date: Feb 2005
Location: Virginia
Posts: 1,369
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I went with a 996 plenum and 74mm TB. Nice gains in the upper ranges. I've got full exhaust, tune, and very open intake and I dynoed. At 244 hp.
__________________
Rennzenn
Jfro@rennzenn.com
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02-17-2018, 09:06 PM
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#7
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Registered User
Join Date: Dec 2017
Location: Cambria, CA
Posts: 121
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Nice J.Fro. What did you do for a tune? Did you use the 987 airbox or some other non-oem air intake solution?
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02-18-2018, 06:30 AM
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#8
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Registered User
Join Date: Mar 2016
Location: Spain
Posts: 985
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Quote:
Originally Posted by edc
You don't need a garage to fit a plenum and throttle body. Some basic skills and a drive way space is more than enough. Done 2 cars like this using the 996 plenum.
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Looks easy enough, but i live in europe no driveway either have an underground parking spot. Lol
Makes it a little complicated, to do much mechanical work.
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2000 Boxster S Ocean Blue Metalic
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02-18-2018, 08:44 AM
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#9
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550 Anniversary
Join Date: Jul 2012
Location: Surrey, UK
Posts: 747
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Quote:
Originally Posted by Cunningr
Looks easy enough, but i live in europe no driveway either have an underground parking spot. Lol
Makes it a little complicated, to do much mechanical work.
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I'm in the UK. At least in Spain you have drier and warmer weather.
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02-18-2018, 10:48 AM
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#10
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Registered User
Join Date: Mar 2016
Location: Spain
Posts: 985
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Quote:
Originally Posted by edc
I'm in the UK. At least in Spain you have drier and warmer weather.
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True lol. I lived in the UK for 3 years in the 90’s, mis the beer.
I might give it a go, is it worth doing if i have not changed exhaust? Motor still stock, the guy i bought it from was a no mod at all and not a driver, put 3k on the car in 3 years.
Love the car but needs a bit more umph. So thinking fvd muffler, ipd plenum throttle body upgrade, and a lighter flywheel when its time to change the clutch give it a bit more boogie.
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2000 Boxster S Ocean Blue Metalic
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02-18-2018, 11:30 AM
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#11
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Registered User
Join Date: Dec 2015
Location: Denver
Posts: 866
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Having been assigned in Spain, England, and Germany; Best beer is in Germany
Gain in hp will come from upgrade to IDP and TB, and exhaust will limit some gains until it is upgraded
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5280 Cruising @High Altitude
Seal Gray & K&N Filter
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02-18-2018, 01:30 PM
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#12
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550 Anniversary
Join Date: Jul 2012
Location: Surrey, UK
Posts: 747
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Quote:
Originally Posted by Cunningr
True lol. I lived in the UK for 3 years in the 90’s, mis the beer.
I might give it a go, is it worth doing if i have not changed exhaust? Motor still stock, the guy i bought it from was a no mod at all and not a driver, put 3k on the car in 3 years.
Love the car but needs a bit more umph. So thinking fvd muffler, ipd plenum throttle body upgrade, and a lighter flywheel when its time to change the clutch give it a bit more boogie.
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http://www.boxa.net/forum/topic/59044-edcs-550-anniversary/
http://www.boxa.net/forum/topic/53075-blue-boxster-s-with-18-sport-classics/
Here's a couple of build style posts for my 2 Boxsters. If value and cash is on your agenda I would probably skip the FVD and if your exhaust is ok get it modded by Carnewal. Return postage in Europe is cheap enough. Skip the IPD as well and use the £35 996 plenum. For a bit more go change out the manifolds and consider going to 100 or 200 cell cats. My first blue Boxster has Dyno plots at each stage of mods.
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02-18-2018, 01:32 PM
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#13
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550 Anniversary
Join Date: Jul 2012
Location: Surrey, UK
Posts: 747
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As for beer. Germany probably was better a few years back. But these days there is a lot more popularity for craft ales in the UK and they are quite easily accessible.
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02-19-2018, 06:30 PM
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#14
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Registered User
Join Date: Nov 2013
Location: PA
Posts: 299
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I just did this mod with a 74 mm TB from an 09 Cayman S and a 3D printed plenum from a fellow on this forum, Ben006. The car doesn’t feel chocked anymore and runs with more power throughout the entire rpm range. I kept the original 986 air box and original air feed tube.
Ben is still making the tubes and is currently located in France.
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2004 Boxster S
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02-20-2018, 08:56 AM
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#15
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Registered User
Join Date: Mar 2016
Location: Spain
Posts: 985
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Quote:
Originally Posted by eicheldp
I just did this mod with a 74 mm TB from an 09 Cayman S and a 3D printed plenum from a fellow on this forum, Ben006. The car doesn’t feel chocked anymore and runs with more power throughout the entire rpm range. I kept the original 986 air box and original air feed tube.
Ben is still making the tubes and is currently located in France.
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Thank You for the feedback exactly the type I was digging for, a does or does not. Lol
Did you have to change the enging mapping at all? Or basically plug and play.
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2000 Boxster S Ocean Blue Metalic
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02-20-2018, 10:08 AM
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#16
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Rennzenn
Join Date: Feb 2005
Location: Virginia
Posts: 1,369
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I kept the 986 MAF holder and plumbed the whole thing with 3" plastic tubing. I purchased the Softronic tune, but that was more for the 100 cell cats and ignition advance than anything else.
__________________
Rennzenn
Jfro@rennzenn.com
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02-20-2018, 12:59 PM
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#17
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550 Anniversary
Join Date: Jul 2012
Location: Surrey, UK
Posts: 747
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Quote:
Originally Posted by Cunningr
Thank You for the feedback exactly the type I was digging for, a does or does not. Lol
Did you have to change the enging mapping at all? Or basically plug and play.
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No you don't have to. Mine and many others have run fine without a remap. I did do a remap and gained more power but I didn't do it out of necessity.
Tuned/modified 2000 Boxster S
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Current: 550 Spyder Anniversary- Carnewal exhaust - 100 cell cats - stainless manifolds - 4" underdrive pulley - poly gearbox mounts - rear lower alu brace - adjustable rear toe links
Sold: 986S - Zenith Blue - 18" Sport Classics - Black Zunsport grilles - Stainless silencer and manifolds - K&N panel - shortshift - M030 suspension - 75mm throttle body - custom 83mm intake - SmartTop - custom remap - MDS underdrive pulley
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02-20-2018, 02:02 PM
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#18
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Registered User
Join Date: Sep 2017
Location: Location Location
Posts: 70
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Quote:
Originally Posted by j.fro
I went with a 996 plenum and 74mm TB. Nice gains in the upper ranges. I've got full exhaust, tune, and very open intake and I dynoed. At 244 hp.
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Do you happen to have the part numbers for those two? (996 plenum & TB)
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02-20-2018, 11:05 PM
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#19
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Registered User
Join Date: Mar 2016
Location: Spain
Posts: 985
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Quote:
Originally Posted by edc
No you don't have to. Mine and many others have run fine without a remap. I did do a remap and gained more power but I didn't do it out of necessity.
Tuned/modified 2000 Boxster S
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Nice list of mods, did you put the under drive pulleys on and if so any benefit?
I have a friend who is a 911 turbo freak had 8 of em now, he said on my car needed a lighter flywheel and lower springs when he drove it. Said the fly make big difference in performance because the engine will rev quicker.
Now I saw Pelican has FABspeed exhaust with 10% discount, was almost totally convinced for a FVD, but now reconsidering the discount covers the shipping cost to the APO and it was initially my first pick for exhaust.
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2000 Boxster S Ocean Blue Metalic
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02-21-2018, 11:46 AM
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#20
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550 Anniversary
Join Date: Jul 2012
Location: Surrey, UK
Posts: 747
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I've done 4.25 and 4" on both my Boxsters respectively but didn't Dyno either time. It's a nice mod to do if you are due a belt change.
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