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> 914/6 Carb to Original FI
mmascari
post Dec 1 2021, 05:55 PM
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I have a 914/6 conversion with a 3.0l SC engine. I have installed PMO 46mm carbs and considering switching to fuel injection. I would prefer to use stock fuel injection. Has anyone had success installing 3.2l engine Fuel injection components on a 3.0 engine?
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mepstein
post Dec 3 2021, 01:12 PM
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I don’t know why everyone says the 3.2 manifolds are expensive or hard to get. I’ve sold plenty for $500 and a wtb on pelican will get you a pair.
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Luke M
post Dec 3 2021, 02:26 PM
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QUOTE(mepstein @ Dec 3 2021, 12:12 PM) *

I don’t know why everyone says the 3.2 manifolds are expensive or hard to get. I’ve sold plenty for $500 and a wtb on pelican will get you a pair.



The problem is getting everything else to go with the manifold. Most fuel lines are shot by now. New replacement fuel lines will cost you around $650. I don't care either way if one wants to use a 3.2 intake. Just making them aware of the hidden cost that follows.
I went down that road and it turned out to be too expensive. I ended up selling my manifold in 2017 for $900..

As for the op lmk your engine setup. I can look up the jetting I used in my brothers carbs if that helps you.
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mmascari
post Dec 3 2021, 02:43 PM
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QUOTE(Luke M @ Dec 3 2021, 12:26 PM) *

QUOTE(mepstein @ Dec 3 2021, 12:12 PM) *

I don’t know why everyone says the 3.2 manifolds are expensive or hard to get. I’ve sold plenty for $500 and a wtb on pelican will get you a pair.



The problem is getting everything else to go with the manifold. Most fuel lines are shot by now. New replacement fuel lines will cost you around $650. I don't care either way if one wants to use a 3.2 intake. Just making them aware of the hidden cost that follows.
I went down that road and it turned out to be too expensive. I ended up selling my manifold in 2017 for $900..

As for the op lmk your engine setup. I can look up the jetting I used in my brothers carbs if that helps you.


It is a 3.0l with JE Pistons (10:1), webcam 502/104 grind. The heads have the larger intake size(can't remember the exact size). Then the 46 PMOs.

Again, when driving under 3k RPM it tends to sputter but once 3K hits it is fine
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Posts in this topic
mmascari   914/6 Carb to Original FI   Dec 1 2021, 05:55 PM
Steve   I have a 914/6 conversion with a 3.0l SC engine. ...   Dec 1 2021, 06:27 PM
mepstein   Quite a few done on pelican. Search - motronic in...   Dec 1 2021, 06:43 PM
targa72e   I did a SC 3.0 with 3.2 manifold and aftermarket p...   Dec 2 2021, 02:19 PM
pete-stevers   If your PMOs are 40s send me a pm .. I might be in...   Dec 2 2021, 02:31 PM
JmuRiz   Sounds like a good option, but be aware the prices...   Dec 2 2021, 03:28 PM
mmascari   Sounds like a good option, but be aware the price...   Dec 2 2021, 05:14 PM
mepstein   Sounds like a good option, but be aware the pric...   Dec 2 2021, 05:52 PM
mmascari   [quote name='mmascari' post='2964271' date='Dec 2...   Dec 2 2021, 06:48 PM
JmuRiz   Sounds like a good option, but be aware the pric...   Dec 2 2021, 11:41 PM
brant   Sounds like a good option, but be aware the pric...   Dec 3 2021, 06:51 AM
gandalf_025   It is my understanding that the CIS can take more ...   Dec 2 2021, 06:53 PM
ClayPerrine   Use the stock CIS intake and throttle body. Put EF...   Dec 3 2021, 07:32 AM
mmascari   Use the stock CIS intake and throttle body. Put E...   Dec 3 2021, 10:08 AM
ClayPerrine   [quote name='ClayPerrine' post='2964372' date='De...   Dec 3 2021, 11:00 AM
Luke M   I was planning on running a 3.2 EFI on my brothers...   Dec 3 2021, 11:02 AM
mmascari   I was planning on running a 3.2 EFI on my brother...   Dec 3 2021, 11:22 AM
Luke M   I was planning on running a 3.2 EFI on my brothe...   Dec 3 2021, 11:37 AM
gandalf_025   This engine has been in my wife’s 911 for a numb...   Dec 3 2021, 11:47 AM
ClayPerrine   This engine has been in my wife’s 911 for a num...   Dec 3 2021, 01:02 PM
mepstein   I don’t know why everyone says the 3.2 manifolds...   Dec 3 2021, 01:12 PM
ClayPerrine   I don’t know why everyone says the 3.2 manifold...   Dec 3 2021, 02:21 PM
Luke M   I don’t know why everyone says the 3.2 manifold...   Dec 3 2021, 02:26 PM
mmascari   I don’t know why everyone says the 3.2 manifol...   Dec 3 2021, 02:43 PM
Luke M   [quote name='Luke M' post='2964447' date='Dec 3 2...   Dec 3 2021, 06:12 PM
ClayPerrine   I will admit.. I am biased. I hate carburetors. ...   Dec 3 2021, 02:35 PM
targa72e   I am with Clay I hate carbs as well. Your problem ...   Dec 3 2021, 05:18 PM
mepstein   I have a 3.0 case and crank but I’m going to use...   Dec 3 2021, 06:32 PM
jim dorociak   short stoke 3.2 means 98mm pistons and bored out 9...   Dec 6 2021, 10:03 AM


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