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Fuel accumelator
The fuel accumelator on my 75 911 and 3.0 leaking fuel,
It's the early 2 fitting type, I received the new one yesterday.but it's a 3 fitting , is it possible to upgrade to 3 fitting? Regards |
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02-18-2023, 02:20 AM
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Never tested this. No experience, no knowledge. But from my side I would say yes. The 3rd connector is an overflow. You can close that overflow with a small hose or a plug. I would check it then from time to time if there is some fuel and remove it. Never leave it open while driving. If fuel spills on the hot engine and exhaust ....
Also imaginable is to make a connection to the return line to the gas tank as it is in later 911 models as the SC. Thomas
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1981 911 SC Coupé, platinum met. (former tin (zinc) metallic), Bilstein shocks, 915/61,930/16,WebCam20/21, Dansk 92.502SD,123ignition distributor with Permatune box as amplifier,Seine Systems Gate Shift Kit,Momo Prototipo. Want to get in touch with former owners of the car. Last registration in US was in 2013 in Lincolnshire/lL. Last edited by Schulisco; 02-18-2023 at 03:43 AM.. |
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02-18-2023, 03:40 AM
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Two-Port to Three-Port Fuel Accumulator........
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Ice cube, Yes. All you need is the correct return line from FA to FD. Tony |
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02-18-2023, 05:22 AM
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Tony.
Do you have a part number. I can't find the exact part. Is it an sc or 75 part. Quote:
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02-18-2023, 06:01 AM
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Engine Identification.........
What year is your 3.0 liter SC? Cohline plastic for ‘78~’80 and metal lines for ‘81~’83. Or have Len C. make one for you. I would not recommend buying used fuel line for your motor.
Tony |
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02-18-2023, 02:40 PM
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The engine number 6450250.
That's a 2.7l. The mechanic told me it's a 3.0 engine!!!! |
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02-18-2023, 11:13 PM
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Another Option......
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Ice, Another trick is to use the OEM SC return that has the fuel accumulator drain line. I will look that piece and post a picture. Len C. is making them available. Tony |
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02-18-2023, 11:40 PM
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PCA Member since 1988
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The return fuel line and the drain from the FA are not under pressure. You just need to "T" into the return line with plain fuel hose. I'd still use hose clamps on the connections because you don't want those coming loose in the engine compartment.
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1973.5 911T with RoW 1980 SC CIS stroked to 3.2, 10:1 Mahle Sport p/c's, TBC exhaust ports, M1 cams, SSI's. RSR bushings & adj spring plates, Koni Sports, 21/26mm T-bars, stock swaybars, 16x7 Fuchs w Michelin Pilot Sport A/S 3+, 205/55-16 at all 4 corners. Cars are for driving. If you want art, get something you can hang on the wall! |
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02-19-2023, 09:07 PM
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Join Date: May 2004
Location: New Hampshire
Posts: 6,133
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 The 2.7 motors only had the (2) fittings. Easiest way is to simply cap off the 3rd fitting. I have M14 Female caps if needed. Otherwise you must add a TEE to the Polyamide Return line which is complicated. I do not recommend using a Hose as the fittings are different.  You must use Poly fittings that are not common here in the USA. I can make this up with Poly, but why spend the $$. Just cap this off. len.cummings @ verizon.net
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02-22-2023, 09:35 AM
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PCA Member since 1988
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I don't mean to T into the polyamide return line, but the regular fuel hose that goes back to the tunnel from the engine compartment. Easy peasy.
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1973.5 911T with RoW 1980 SC CIS stroked to 3.2, 10:1 Mahle Sport p/c's, TBC exhaust ports, M1 cams, SSI's. RSR bushings & adj spring plates, Koni Sports, 21/26mm T-bars, stock swaybars, 16x7 Fuchs w Michelin Pilot Sport A/S 3+, 205/55-16 at all 4 corners. Cars are for driving. If you want art, get something you can hang on the wall! |
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02-22-2023, 02:05 PM
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Porsche 911 SC
