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Registered
Join Date: Dec 2009
Posts: 233
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964 injectors in a 3.2
Hi will 964 injectors fit a 88 3.2 carrera engine and will they offer any flow benefit?
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03-07-2019, 09:50 AM
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Turbonut
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Won't work with original ECU: 964 injectors are high impedance, 3.2 has low impedance injectors, plus they are wired differently: 964 has all of them wired independetly (running in full sequential mode), 3.2 has them wired as two banks (3 injectors in each).
Physically they fit, yes.
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'83 924 (2.6 16v Turbo, 530hp),'67 911 hot-rod /2.4S, '78 924 Carrera GT project (2.0 turbo 340 hp), '84 928 S 4.7 Euro (VEMS PnP, 332 HP), '90 944 S2 Cabriolet http://www.facebook.com/vemsporsche |
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03-07-2019, 09:58 AM
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Registered
Join Date: May 2015
Location: San Francisco & San Diego CA
Posts: 2,295
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Modern injectors for the 3.2, and the ECU tune to run them, are available from Sal Carceller...
Sal Carceller's chip and injector system for 3.2
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Frank Amoroso 911 M491 / M470 coupes: 1987 GP Wht / Blk "Apollo" 1987 Gemini Blue / Blk "Gemini" 1989 GP Wht / Blk "Vents" |
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03-08-2019, 07:41 AM
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Registered
Join Date: Dec 1999
Location: Novato, CA
Posts: 4,740
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Today’s high impedance injectors, however, are able to outperform those older low impedance injectors at larger flow rates due to their newer designs, tighter manufacturing tolerances and much lighter moving parts(examples are our 900cc, 1100cc and 2150cc/min injectors). A valve and spring assembly from a current high-z injector may weigh less than 1/3rd of the assembly from an older injector.
Frequently Asked Questions Regarding low imp vs high imp injectors. Personally, my 87 Carrera has been on high impedance injectors for decades and performs amazing provided you find the right flow rate. Cheers, Joe 87 Carrera Last edited by stlrj; 03-08-2019 at 10:47 AM.. |
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03-08-2019, 10:40 AM
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Turbonut
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If one wants performance improvement and truly modern ECU, there's VEMS plug and play kit available for 911 3.2 (and also for other Porsches): VEMS for Porsche
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'83 924 (2.6 16v Turbo, 530hp),'67 911 hot-rod /2.4S, '78 924 Carrera GT project (2.0 turbo 340 hp), '84 928 S 4.7 Euro (VEMS PnP, 332 HP), '90 944 S2 Cabriolet http://www.facebook.com/vemsporsche |
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03-08-2019, 11:38 AM
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1981 Porsche 924 "Turbo" [SOLD]
1983 Porsche 924 2.5 16V Turbo
"Gulf"
1995 Audi A8 4.2 Quattro
1967 Porsche 911 hot rod
