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Porsche 993 Carrera turbo system upgrade spreadsheet (1994-1998)

1994 – On 911 Carrera 3.6L 993
Description Stage 1 OBD-II Stage 1 Stage 2 Stage 2 OBD-II Stage 3
Protomotive Intercooler Included Optional Included Included Included
Protomotive SS Headers Optional Included Included Optional Included
Protomotive SS Muffler Optional Included Included Optional Included
Protomotive SS Heater System Optional Included Included Optional Included
Protomotive fuel Pressure Reg. Included Included Included Included Included
Protomotive Software Included Included Included Included Included
Protomotive Manifold Straps Optional Included Included Included Included
Turbocharger Twin Twin Twin Twin Twin
Boost Control Mechanical Mechanical Electronic Electronic Electronic
Boost Gauge Optional Optional In EVC In EVC In EVC
Clutch Upgrade Optional Optional Disk Only Included Disk / Pressure Plate
High Flow Fuel Injectors Optional Included Included Included Included
Fuel Pump Standard Standard High – Flow High – Flow Twin – Pumps
Cylinder Head Seal Standard Standard Flame Ringed Optional Flame Ringed
Mass Flow Sensor Standard Standard Standard Standard High – Flow
Horsepower Capability 410hp (96-98) 395hp (94-95) 400 hp 600 hp 530hp 750 hp
Max Boost Pressure .45 bar .5 bar 1.0 bar .9 bar 1.25 bar
Engine Displacement (cc) 3600 3600 3600 3600 3745
Compression Ratio Standard 11.3 / 1 9.00 / 1 8.00 / 1 8.00 / 1 8.50 / 1
Spark Plugs Two per Cylinder Two per Cylinder Two per Cylinder Two per Cylinder Two per Cylinder
Ignition System Inductive Inductive Inductive Inductive Inductive
Connecting Rods Standard Included Included Included Included
Engine Rebuild Optional Top – End Top – End Included Top – End
Alternative Camshaft Profiles Optional Optional Optional Optional Optional
High-Rate Valve Springs Optional Optional Optional Optional Optional
Lightweight Clutch Package Optional Optional Optional Optional Optional
Pressure Sensing Optional Optional Optional Optional Optional
Approximate Installation Time 3-4 Weeks 4 – 6 Weeks 8 – 10 Weeks 8-12 Weeks 12 – 16 Weeks
Kit Available Yes (recommended for Dist Only) To Distributors Only To Distributors Only To Distributors Only To Distributors Only

Note: Kit items are recommendations only and may change as further
development has been completed.

Porsche 993 Carrera turbo system upgrade

Did we create the Ultimate Porsche engine? We'll let you decide :) How to mod your Turbo with a GT3 Top-End, Part 5 In this episode, we're continuing how to mod your 911 Turbo into a high revving GT3 top-end beast!! 💪 All of that extra functionality in the Turbo Cam housings makes it impossible just to do an easy swap, but with the GT3 cam housings, cams, lifters, and actuators, it all starts fitting this puzzle neatly together. 🧩 Yes, you could have some Ferrea valves made up for Turbo lengths and use the Turbo cam housings and reground cams- this would be a nice update quite similar to porting a Turbo head to GT3 spec, but you wouldn't gain the advantages of the GT3 cams and lifters that allow very high RPMs for the huge power increase we're after in this conversion. The GT3 manifold moves the throttle back nearly 2 inches, so an updated y-pipe is also necessary to get the intake plumbing back working; and the manifold hits the AC line, so a modded low side AC line is necessary for the fitment. The oil filler neck also requires an updated mount- otherwise the fuel injectors and rails can be reused with a little slotting of the holes and appropriate spacers to get it all fitting nicely again. We're going to find out if a GT3'd Turbo or a Turbo'd GT3 is cooler in this series, so be sure to Subscribe so you don't miss any! Here's the full video if you'd rather not wait :) https://youtu.be/3XetsvYdBGc We Created the Ultimate Porsche engine! But which should you begin with? Should we mod the iconic Porsche GT3, or the Amazing Porsche 911 Turbo? Then Which is cooler? A 911 Turbo with a GT3 top end or a Highly modded GT3 with a Turbo? We'll talk about the psychology of the owner, resale of the car, complexity of the modifications, how to do this and the desired outcome, to name a few. . Like, follow and Subscribe so we can keep making more videos for you. Let us know what else you'd like to hear about in the comments below. . If you'd like to learn more and see more fun videos Subscribe to our channel here: https://www.youtube.com/@protomotive . Products mentioned GT3 intake manifold for 996 and 997 Turbo: https://www.protomotive.com/wp422/product/gt3-intake-manifold-for-996-and-997-turbo 997 Bolt in YPipe to Protomotive intercoolers: https://www.protomotive.com/wp422/product/997_bolt_in_ypipe_to_protomotive_intercoolers Visit us at: https://www.protomotive.com b-roll credits: #protomotive #porsche #porsche997turbo #997turbo #porsche911gt3 #dynos #porsche997turbo #porsche911 #porsche911turbo #motec #porsche997turbo #turbos #porsche996turbo #996turbo spa circut, sn track, 911 gt3 on track, racing porsches on track, best porsche on track, formula 1 spa, f1 spa #supercar review, luxury car review, 4k car review 911 gt3 turbo kit, twin turbo 911 gt3, turbo 911 gt3, porsche gt3 vs turbo, need for speed prostreet porsche 911 turbo, gt3 or turbo, supercharged, porsche gt3 turbo kit, porsche 911 gt3 rs, turbo s or gt3, porsche 911 gt3 vs turbo, turbocharged gt3, 991 gt3 vs turbo, porsche 911 turbo 2000 hp, 1000 hp porsche 911 gt3 or turbo s, porsche 911 turbo custom, gt3 or turbo s 996 turbo 997 turbo porsche 996
Did we create the Ultimate Porsche engine? We'll let you decide :) How to mod your Turbo with a GT3 Top-End, Part 4 In this episode, we're continuing how to mod your 911 Turbo into a high revving GT3 top-end beast!! 💪 The valves are also different lengths- all this together (what we covered in the last few episodes) means you can't simply shoehorn the GT3 heads between the Turbo cam housings. Because of all the extra lobes on the intake cam on a Turbo, the Turbo housings have an extra set of channels that are not in a GT3 as well as a spot for the lift solenoid. A GT3 still has some oil channels for the lifters, but a Turbo has a special little port that the lift solenoid opens which opens another channel that flows into the intake lifter. This energizes the lifter- forcing it into high lift mode. So if you're using a GT3 cam in these things, you don't need any of that; plus the lifters are way smaller! We're going to find out if a GT3'd Turbo or a Turbo'd GT3 is cooler in this series, so be sure to Subscribe so you don't miss any! Here's the full video if you'd rather not wait :) https://youtu.be/3XetsvYdBGc We Created the Ultimate Porsche engine! But which should you begin with? Should we mod the iconic Porsche GT3, or the Amazing Porsche 911 Turbo? Then Which is cooler? A 911 Turbo with a GT3 top end or a Highly modded GT3 with a Turbo? We'll talk about the psychology of the owner, resale of the car, complexity of the modifications, how to do this and the desired outcome, to name a few. . Like, follow and Subscribe so we can keep making more videos for you. Let us know what else you'd like to hear about in the comments below. . If you'd like to learn more and see more fun videos Subscribe to our channel here: https://www.youtube.com/@protomotive . Products mentioned Protomotive Porsche Engine Building: https://www.protomotive.com/wp422/product/porsche-engine-building/?v=7516fd43adaa Consulting Service: https://www.protomotive.com/wp422/product/protomotive-consulting-service Visit us at: https://www.protomotive.com Check our tech blog library out at: https://www.protomotive.com/wp422/protomotive-tech-tips b-roll credits: #protomotive #porsche #porsche997turbo #997turbo #porsche911gt3 #dynos #porsche997turbo #porsche911 #porsche911turbo #motec #porsche997turbo #turbos #porsche996turbo #996turbo spa circut, sn track, 911 gt3 on track, racing porsches on track, best porsche on track, formula 1 spa, f1 spa #supercar review, luxury car review, 4k car review 911 gt3 turbo kit, twin turbo 911 gt3, turbo 911 gt3, porsche gt3 vs turbo, need for speed prostreet porsche 911 turbo, gt3 or turbo, supercharged, porsche gt3 turbo kit, porsche 911 gt3 rs, turbo s or gt3, porsche 911 gt3 vs turbo, turbocharged gt3, 991 gt3 vs turbo, porsche 911 turbo 2000 hp, 1000 hp porsche 911 gt3 or turbo s, porsche 911 turbo custom, gt3 or turbo s 996 turbo 997 turbo porsche 996
Subscribe 
 
 
 
 
 Protomotive Inc. 
 
 
 Protomotive Inc.
  
 21 Google reviews 
 
 Write a review 
  
 
 
  
 
 
 
 Trevor Morris 
 
 
 Trevor Morris 
 
2024-04-22
 
 
  
 
Todd is the ultimate godfather of Porcshe! His knowledge and informative videos have been invaluable to me as a Porsche enthusiast. I'm incredibly grateful for his expertise and guidance. I had an intermittent problem with my 996tt that has plagued the car for 6 years, no shops were able to figure out the problem. I emailed Todd and he narrowed it down within a couple emails, and sure enough he guided me to the problem and it was a simple fix in the end. Not to mention Todd's tuning skills are off the charts, as the car also traps 144mph in the 1/4 mile.  Keep up the fantastic work, Todd!
  
 
 
  
 
 
 
 Chris Roundtree 
 
 
 Chris Roundtree 
 
2024-02-19
 
 
  
 
I wanted to thank Todd at Protomotive Motorsports for going above and beyond when he helped me sort out a problem with a product that I had purchased from another vendor.

Todd seems to always have the knowledge to put together the best combination of parts to make any model Porsche not only go fast or handle better, but do it reliably.

He always answers the phone. In the rare event he doesn’t pick up he gets back to you within twenty four hours. Emails get responded to just as quick.

I really appreciate having some like Todd available when working on any Porsche as you know he has a proven setup to satisfy any goal.

Thx
Chris
  
 
 
  
 
 
 
 Antreas Smilas 
 
 
 Antreas Smilas 
 
2024-01-22
 
 
  
 
Super in every way..2 years now in ecu and tcu perfect power delivery ,reliable,and fast as mr Todd promise in number...i can say even i draggy was the same numbers as promise to achieve with this set up.
  
 
 
  
 
 
 
 Taylor Berg-Kirkpatrick 
 
 
 Taylor Berg-Kirkpatrick 
 
2024-01-04
 
 
  
 
Todd has got to be the world's expert in forced induction Mezger Porsche engines. I've worked with a bunch of mechanics, tuners, engine builders across multiple Porsches over multiple decades... and Todd has been the most helpful and knowledgeable of the bunch. And this has even been true while working with him remotely! (I'm in CA and he's in AR.) Just by looking at my logs and hearing about my engine rebuild, he's been able to diagnose stuff that in-person mechanics have not been able to. For example, Todd was the only person looking at my car to suggest a problem with a BRV could explain some of the weird behavior... following his advice, I dug in myself... lo and behold, torn BRV diaphragm on bank 1! Wow! Further, Todd has the most experience tuning these cars of any tuner I've worked with. Tune is absolutely solid and safe. Very very confident in his work!!! Absolute strongest possible recommendation!!
  
 
 
  
 
 
 
 N K 
 
 
 N K 
 
2024-01-04
 
 
  
 
Todd and his team are true professionals and they always provide excellent customer service, quality parts they sell and very reliable engine builds. This is very rare in our industry today. Great job Protomotive!
  
 
 
  
 
 
 
 raphael wirth 
 
 
 raphael wirth 
 
2023-05-29
 
 
  
 
Todd est l homme de la situation…. Des difficultés ou des problèmes pour régler le problème? Todd trouve la solution malgré la distance ( je suis français)
Merci à lui et son équipe pour leurs conseils …
Maintenant mon 997 turbo fonctionne à merveille et est un véritable avion de chasse!
Je recommande a 1000% !!!
À bientôt pour d autres évolutions !!!
  
 
 
  
 
 
 
 Adam McGregor 
 
 
 Adam McGregor 
 
2023-04-05
 
 
  
 
I don’t think there is a better shop to shop entrust your Porsche to then Protomotive and the Knighton’s. Just search there name with 993 and you can start to get an idea of their storied history of building monster but reliable 911 Turbos! I have over 12 years and 30k miles (street, autox & track) on the Protomotive set up on my 997tt and it has never skipped a beat!
  
 
 
  
 
 
 
 Piotr L. Pawlak 
 
 
 Piotr L. Pawlak 
 
2023-04-05
 
 
  
 
Unfortunately they could not resolve my issue, but Todd tried very hard to find some other resolutions.
He was very helpful and responsive.
  
 
 
  
 
 
 
 B W 
 
 
 B W 
 
2023-03-23
 
 
  
 
Todd is by far the most professional and knowledgeable Porsche person I have ever worked with in my life and I have had many cars and have been doing this for over 20 years. He not only knows how to overcome every single problem, but also knows how to explain exactly what he is doing and brings the car to a point where it feels like stock even though it has double or triple the power. If you go anywhere else you would be making a mistake
  
 
 
  
 
 
 
 Alex May 
 
 
 Alex May 
 
2023-02-20
 
 
  
 
The engineers at Protomotive are absolutely the best. They performed extensive work on my Porsche GT2 and I literally could not be happier. Their work, attention to detail, problem solving and communication with me were all next level. Customer service is remarkable.  I had a question while at the track, on a Saturday, and Todd immediately responded to my questions. Class act.

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