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Scottsdale Arizona USA
 
Join Date: Mar 2010
Location: Scottsdale, Arizona USA
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Bore manifold and order the TK EFI tapered bore blocks!

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Day @ Euro Parts West, LLC, Scottsdale, AZ USA // Automotive Part Connectors & EPW MODE : Motorsport Design
+1 (844) URO-PART // mode@europartswest.com
Old 10-22-2016, 01:39 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #21 (permalink)
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Join Date: Sep 2013
Location: Ontario, Canada
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Tapered bore, that sounds fun! You guys are a bad influence

Rawknees yes, I need to find a better tranny, one that's bigger, stronger and can take a real beating.
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Cheers, Chris
1986 951

SOLD: 1975 Carrera / 965 tribute w/ 1989 3.3 turbo 8.5:1, custom Evergreen K27 7200, 964 cams, euro CIS, TEC1 dual plug, rarlyL8 headers & hooligan pipe.
Old 10-22-2016, 04:11 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #22 (permalink)
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Hey fellas, since 400+ whp from an EFI swap will absolutely destroy my 915, I'm thinking I could dail back the boost from my current .9 bar to .8 or .7 and still have a power increase and the reliablility of EFI. What do you think? Then maybe I won't kill my trans so fast?

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Originally Posted by TurboKraft View Post
Stock ports does leave a lot on the table.

Stock heads and cams, expect around 425whp.
SC/964 cams, about 450-470whp.
More than that, plan on head work.

In our experience, this notion of "small ports is better velocity and more low rpm torque" is not applicable when running programmable engine management. You can put stock 3.2L Carrera heads on the same 3.3L, big 41.5mm ports, and the engine gains torque everywhere.
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Cheers, Chris
1986 951

SOLD: 1975 Carrera / 965 tribute w/ 1989 3.3 turbo 8.5:1, custom Evergreen K27 7200, 964 cams, euro CIS, TEC1 dual plug, rarlyL8 headers & hooligan pipe.
Old 10-22-2016, 10:09 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #23 (permalink)
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Quote:
Originally Posted by puddy View Post
Hey fellas, since 400+ whp from an EFI swap will absolutely destroy my 915, I'm thinking I could dail back the boost from my current .9 bar to .8 or .7 and still have a power increase and the reliablility of EFI. What do you think? Then maybe I won't kill my trans so fast?
Swap out the 915 for a turbo and crank up th boost you know, "While you're in there"
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81 Pacific Blue 930 Euro coupe slicktop on a strict diet, Rarlyl8 headers, Blowzilla turbo, Tial waste gate, Full bay I/C, Home made center out exhaust, Leask WUR, MSD 6AL, PLX wideband
Wevo shifter, LSD. Next up, Cams, Heads and port work
Old 10-22-2016, 11:48 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #24 (permalink)
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^^^ Yes I hear you but I'd like to wait a little bit before spending $10k plus on a tranny swap.
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Cheers, Chris
1986 951

SOLD: 1975 Carrera / 965 tribute w/ 1989 3.3 turbo 8.5:1, custom Evergreen K27 7200, 964 cams, euro CIS, TEC1 dual plug, rarlyL8 headers & hooligan pipe.
Old 10-22-2016, 11:59 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #25 (permalink)
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Quote:
Originally Posted by puddy View Post
Hey fellas, since 400+ whp from an EFI swap will absolutely destroy my 915, I'm thinking I could dail back the boost from my current .9 bar to .8 or .7 and still have a power increase and the reliablility of EFI. What do you think? Then maybe I won't kill my trans so fast?
You would still get all the other benefits of EFI as well. Improved driveability, throttle response, efficiency etc.
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'86 930 Guards Red - EFI MS3Pro, 80lb inj, 3.4, GT35R, Tial 46, Bosch 044, B&B Headers, 3.2 carrera manifold, Turbokraft Full bay IC
'12 Gallardo LP-570-4 Performante
'01 996tt
Ducati 748R
Old 10-22-2016, 12:06 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #26 (permalink)
 
Scottsdale Arizona USA
 
Join Date: Mar 2010
Location: Scottsdale, Arizona USA
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TK EFI 36mm / GT30 / Wavetrac diff / Billet side cover, w larger bearing / Internal bearing plate if coming apart / transaxle cooler system / 1986.5- output flanges / driveshafts (larger g50 type). All should be smooth and efficient with that setup.

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Day @ Euro Parts West, LLC, Scottsdale, AZ USA // Automotive Part Connectors & EPW MODE : Motorsport Design
+1 (844) URO-PART // mode@europartswest.com
Old 10-29-2016, 04:52 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #27 (permalink)
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