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Mad Aussie Porsche nut
Join Date: Jul 2007
Location: Brisvegas Australia
Posts: 183
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PMO Set up for a 2.7 ?
I just bought a set of 40 Pmo's from a fellow pelican. Can anyone suggest jets etc for a 2.7 S Cis euro engine with early exhaust and 2 in 2 out muffler ?
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05-19-2008, 04:00 PM
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Wer bremst verliert
Join Date: Jan 2005
Location: Toronto, Ontario
Posts: 4,767
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57 idles
180 airs 135 or 140 mains
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2007 911 Turbo - Not a toy 1985 911 Cab - Wife's toy 1982 911 3.2 Indiash Rot Track Supercharged track toy 1978 911 3.0 Lichtbau toy "Gretchen" 1971 911 Targa S backroad toy |
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05-19-2008, 04:19 PM
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Mad Aussie Porsche nut
Join Date: Jul 2007
Location: Brisvegas Australia
Posts: 183
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Thanks John,
Would that be with 32 or 34 venturi ? |
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05-20-2008, 04:53 PM
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Registered
Join Date: May 2001
Location: Peoples Republic of Long Beach, NY
Posts: 21,140
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CIS cam ?
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Ronin LB '77 911s 2.7 PMO E 8.5 SSI Monty MSD JPI w x6 |
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05-20-2008, 05:05 PM
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Registered
Join Date: Jan 2006
Location: Santa Barbara, CA
Posts: 2,307
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Call or fax Richard at PMO. Do whatever he suggests.
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jhtaylor santa barbara 74 911 coupe. 2.7 motor by Schneider Auto Santa Barbara. Case blueprinted, shuffle-pinned, boat-tailed by Competition Engineering. Elgin mod-S cams. J&E 9.5's. PMO's. 73 Targa (gone but not forgotten) |
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05-20-2008, 07:17 PM
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Registered
Join Date: Dec 2005
Location: Rancho Cucamonga Ca
Posts: 361
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My setup was computed by Steve Weiner and Richard Parr.
I am running stock cams and stock pistons. Only mods on the motor is the heads which were fly cut for a slight bump on compression. I believe the previous owner left the ports the same. 40mm bodies 34mm venturies 135 mains F11 Emulsion tubes 55 Idle jets 130 idle air jets 190 Air corrections jets I believe I am running a little rich as my motor runs about 10 degrees cooler now than with the CIS. I still need to get the car dynoed and check the AFR under load to find out for sure. This setup seems to pull hard and the motor breaths real healthy.
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'75 911S Silver Anniversary #164(Formerly JTO's) Rebuilt 2.7 with full ARP, 9:1 CR. SSI, GHL, ER polybronze bushings, finned oil lines. Lowered and corner balanced. CIS retired, now PMOs! '65 912 slate gray sunroof (driving project) |
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05-20-2008, 07:39 PM
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Wer bremst verliert
Join Date: Jan 2005
Location: Toronto, Ontario
Posts: 4,767
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Mine were 34 venturies. I'm at sea level.
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2007 911 Turbo - Not a toy 1985 911 Cab - Wife's toy 1982 911 3.2 Indiash Rot Track Supercharged track toy 1978 911 3.0 Lichtbau toy "Gretchen" 1971 911 Targa S backroad toy |
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05-21-2008, 03:53 AM
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Bland
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I just went through this with Richard at PMO last week. You want 34 venturis, 140 mains, F2 emulsion tubes, 55 idles, 180 air correctors for a street car or 36 venturis and 150 mains for a more track oriented car.
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06 Cayenne Turbo S and 11 Cayenne S 77 911S Wide Body GT2 WCMA race car 86 930 Slantnose - featured in Mar-Apr 2016 Classic Porsche Sold: 76 930, 90 C4 Targa, 87 944, 06 Cayenne Turbo, 73 911 ChumpCar endurance racer - featured in May-June & July-Aug 2016 Classic Porsche |
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05-21-2008, 06:48 AM
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Crop Duster
Kachow
1976 Porsche 930
