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BOV location

I've seen pics of Blow Off Valves attached directly to intercoolers. Mine is a plastic OEM version (i believe) in a 965 style intake elbow. I'll have my engine out over the winter doing an EFI conversion, is there any benefit to moving my BOV to my intercooler?

I think i'll be modifying my intake anyways after I eliminate the CIS system.
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Cheers, Chris
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. 915/68 trans, kevlar clutch and lightweight pressure plate.
Old 09-27-2018, 03:45 AM
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Originally Posted by puddy View Post
I've seen pics of Blow Off Valves attached directly to intercoolers. Mine is a plastic OEM version (i believe) in a 965 style intake elbow. I'll have my engine out over the winter doing an EFI conversion, is there any benefit to moving my BOV to my intercooler?

I think i'll be modifying my intake anyways after I eliminate the CIS system.
Hey Chris, I use the same BOV and have it on my intercooler... as long as its between the turbo outlet/throttle body it will do the same function... Philip
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87 930 GHL/Rarlyl8/Garretson/GT3582R/1 Bar/Wevo shift, mounts/Meth inj/LM-2/Custom Fuchs/Carrera intake manifold/Xtreme Carrera heads P&P/3.4/DR 993SS cams/ Mahl/Pauter/JE/Niresist/ARP/twin COP/8.25:1/KEP stage 2/twin tials/close 2,3,4th. MS3Pro Evo 500+ HP, BTSOMP Dyno
Old 09-27-2018, 04:56 AM
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Thanks Philip, any chance you can email me a picture of your BOV at some point as well as your air intake pipe?
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Cheers, Chris
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. 915/68 trans, kevlar clutch and lightweight pressure plate.
Old 09-27-2018, 05:55 AM
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Originally Posted by philip j View Post
Hey Chris, I use the same BOV and have it on my intercooler... as long as its between the turbo outlet/throttle body it will do the same function... Philip
Correct, but putting the blow off valve near the outlet of the turbo, close as possible aids boost recovery
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Cory - turbo'd '87 C3.2 Guards/Blk, 3.4, 7.5:1 CR P & C's, soon to be 993SS cams and GSXR 750 ITB's fed by 964 intake, Borg-Warner S366 turbo @ 1.4 bar, Treadstone full bay IC, TiAL F46 WG, HKS 1 1/2" BOV, twin 044 pumps, MegaSquirt 2 (v3.57 board) w/EDIS, Tramont wheels (285's rr, 225's frt), Big Reds frt, 993 rr., tower brace, MOMO wheel
Old 09-27-2018, 05:55 AM
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OK thanks for the info!
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Cheers, Chris
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. 915/68 trans, kevlar clutch and lightweight pressure plate.
Old 09-27-2018, 06:13 AM
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07 911 Turbo - Pilot Sport Cup 2
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Old 09-27-2018, 12:04 PM
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Originally Posted by Mike Billings View Post
That looks awesome but donít you think the end tank on each side would be better if it had had a smoother transistion? Two 2Ē hoses running directly into the tubes and fins seem abrupt. Iím no engineer though.
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Turbo powa!
1977 911s. it's cool
Old 09-27-2018, 02:41 PM
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Very good points. Thanks for posting that. Tanks are a little small also. No air ducting etc. If you saw the manifold, I think similar comments.

Not looking for horsepower however. 1850 pounds!
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07 911 Turbo - Pilot Sport Cup 2
96 Carrera 4 - Bridgestone RE050A
73 911E - Hoosier R6 + twin 75's
92 Corvette - Nitto NT01
Old 09-28-2018, 05:38 AM
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