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frankthecrank2
Samba Member
Joined: October 29, 2016
Posts: 4
Location: pa
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 Posted: Sat Nov 19, 2016 5:37 pm Post subject: Re: Empi 38/38 EGAS carb. |
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I just installed one,I replaced a bugspray,now car idles!!!Still have to tune it in but I can walk away and it keeps running!!YEAH!!!!  |
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laker
Samba Member
Joined: July 31, 2012
Posts: 196
Location: So. Cal
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| Posted: Wed Jun 27, 2018 3:40 pm Post subject: Re: Empi 38/38 EGAS carb. |
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Now that this carb has been out for a while and seen videos of David Greiner on a 1600 & Chico from CPR on a 1776 on you tube...has allot more members used this carb and has had success with it?
David Greiner of Proformance in city of Orange mention he has used this carbs quite of bit with very good luck.
Thinking about trying one of this Carbs on a project instead of a 34-pict3 with a mod vent (31MM). |
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Blodgetprecisionaircooled
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Joined: November 20, 2019
Posts: 1
Location: CA
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| Posted: Wed Nov 20, 2019 11:33 pm Post subject: Re: Empi 38/38 EGAS carb. |
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| They 38 egas comes jetted at 55 for use on 1600DP. Ive installed them a bunch of times. If you are having problems with idle or mixture screws i would suggest double checking for intake leaks. Sounds like something went wrong during installation. |
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Alstrup
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Joined: July 12, 2007
Posts: 7813
Location: Videbaek Denmark
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| Posted: Fri Nov 22, 2019 4:54 am Post subject: Re: Empi 38/38 EGAS carb. |
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I don´t see how it can be better than a progressive, apart from you only have to adjust "one" carb instead of "2" in a progressive. The EGAS litterally pours fuel in at all times. That is what makes it easy to get to run. Question is how right it is.
I may have looked the wrong places, but I have not seen anything that proves it to be better performance or fuel efficiency wise. It may have its place on larger displacement centermount carb engines. Or maybe I just don´t get it. |
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vwracerdave
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Joined: November 11, 2004
Posts: 15599
Location: Deep in the 405
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| Posted: Fri Nov 22, 2019 9:06 am Post subject: Re: Empi 38/38 EGAS carb. |
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The 38/38 is a great carb for an inline 4 cylinder. They are junk on an air-cooled engine and have no place on them. The problem is the intake manifold runners and the DP end castings will never allow the flow that the carb is capable of. If you have one sell it and move on. If you are thinking about getting one then don't. Anybody that would even recommend putting one on an air-cooled VW is a hack. There may be a place for them on water cooled VW's
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earthquake
Samba Member
Joined: January 10, 2008
Posts: 3991
Location: SANDY VALLEY, NEVADA
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| Posted: Fri Nov 22, 2019 10:51 am Post subject: Re: Empi 38/38 EGAS carb. |
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If your running a 38 EGAS/DGAS on a open plenum manifold try closing one air screw down and just run one, to me it makes them a whole lot easier to adjust and tune.
I always wondered what two of them on individual runner manifolds would be like.
eQ
_________________
74 CLASS 11 LOOK-A-LIKE
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79 INTERNATIONAL SCOUT II
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Link to Kelly J. Nolte 3/20/53 - 11/6/08
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Alstrup
Samba Member
Joined: July 12, 2007
Posts: 7813
Location: Videbaek Denmark
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| Posted: Sat Nov 23, 2019 6:02 am Post subject: Re: Empi 38/38 EGAS carb. |
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| earthquake wrote: |
If your running a 38 EGAS/DGAS on a open plenum manifold try closing one air screw down and just run one, to me it makes them a whole lot easier to adjust and tune.
I always wondered what two of them on individual runner manifolds would be like.
eQ |
Interesting approach, which sort of makes sense, only I suspect the idle jet on the one side needs to be somewhat large then. But that is of course an easy fix.
The EGAS carb is basicly a DCNF design. The EGAS has gooten some improvements where the DCNF carbs fell a little short. The DCNF carbs have been installed on many factory in line engines back in the days. Simca, Citroen a.o. used them both as sgl and dual sets. Maserati, Ferrari, Aston Martin, Lamborghini etc used them as multiple carb set ups. So apart from a jetting change I see no reason to why the EGAS would not function well in a port on port set up, - apart from space problems.
Back in the days of VW tuning the DCNF and the NDIX carbs were widely used a centermount sgl carb set ups, especially on sgl port engines. When the manifolds were preheated properly and was made one barrel to each side they worked quite ok. When the manifolds were the plenum type they ran like shit, - well they did´nt at WOT, but you had to jet it really rich in the mid range to make it run without hesitaion, which soon made it less interesting due to poor fuel economy and only marginal power increase in the driving rpms unless you floored it. |
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TeeBird25
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Joined: January 03, 2020
Posts: 49
Location: Texas
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| Posted: Mon Feb 17, 2020 1:28 pm Post subject: Re: Empi 38/38 EGAS carb. |
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I'm also having an issue with my type1 (1915cc) engine wanting to die when coming to a stop with the EMPI 38EGAS carb. It happened yesterday after I adjusted the carb to idle around 950rpm. Before I adjusted things it would idle at 1200 to 1500 rpms, which is way to high (hence the adjustments I made- this a new car to me so I'm still getting things they way I want)
It seems to happen when I'm stopping from 3rd or 4th gear... I'll start slowing down, push in clutch and put into neutral to coast the last bit to the stop, and then I can hear the engine starting to drop off. If I blip the throttle while coasting in neutral, it perks back up and will then will slide into a normal idle without needing to continue to throttle. I can do this every time and the engine stays on, but I have to remember to throttle it just that little bit when coasting to the stop. Then I can sit at the stop as long as needed in a perfect idle with no other noticeable issues.
Its almost like that throttle blip is resetting something in the carb after I'm coming down from higher RPMs so it can idle normally. I can then sit at the stop as long as I needed and it idles just fine until I take off.
Is this normal for this type of carb? Any help on this is appreciated. I'm pretty certain its not getting air from somewhere else on the intake; I parked it and let it idle for probably 10 minutes after I was experiencing the "engine cutting off at stop from high gear" with no further issues (if it was getting stray air, wouldn't that have showed up again when I let it idle for a while after my test ride?). |
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theunknownx199
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Joined: February 26, 2015
Posts: 8
Location: Winterhaven, CA
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| Posted: Thu Sep 02, 2021 6:47 am Post subject: Re: Empi 38/38 EGAS carb. |
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| just a question i have been looking into this carb alot the 38 and im pretty sure i read that a pertronix electric vacuum advance distributor and a electric fuel pump with the pertronix flamethrower 2 coil to be used for optimal use and fixes some of the hesitation... hey i mite be wrong and i wouldnt wanna run a flamethrower coil either but has any one tryed? i think i mite make it my mission since ive got this carb in the mail going on a 1641 with a mild cam dual port heads and electric fuel pump with a 009 and electric points kit ill let you all know what happens still waiting to order the vaccum dizzy and coil tho |
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theunknownx199
Samba Member
Joined: February 26, 2015
Posts: 8
Location: Winterhaven, CA
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| Posted: Thu Sep 02, 2021 11:48 am Post subject: Re: Empi 38/38 EGAS carb. |
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| also i neglected to see someone saying they were using heat risers but not saying anyones not but im gonna install some on my set up due to mine not having any in box |
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earthquake
Samba Member
Joined: January 10, 2008
Posts: 3991
Location: SANDY VALLEY, NEVADA
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| Posted: Thu Sep 02, 2021 1:08 pm Post subject: Re: Empi 38/38 EGAS carb. |
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I was thinking that if I was to try one of these 38/38's I would not only close the rear A/F screw off, I would solder up the rear Idle jet and put in a richer front Idle jet and use the front barrel for progression and main jet and the rear would be on the Main jet only.
eQ
_________________
74 CLASS 11 LOOK-A-LIKE
69 DUNE BUGGY
79 INTERNATIONAL SCOUT II
05 SCION XB SERIES RELEASE 2[#437]
95 Chevy C3500 dually
98 Ford E150
Link to Kelly J. Nolte 3/20/53 - 11/6/08
https://time-zonelabs.blogspot.com/p/about-kelly.html
DEATH TO CHINGERS!
[From a military recruitment poster in the novel "The Stainless Steel Rat" By Harry Harrison] |
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Alstrup
Samba Member
Joined: July 12, 2007
Posts: 7813
Location: Videbaek Denmark
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| Posted: Thu Sep 02, 2021 1:46 pm Post subject: Re: Empi 38/38 EGAS carb. |
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Mmmmh, that - might be a bad idea. The second idle will most likely need to be operative in the upper idle circuit.
Reason I´m saying this is, that on a progressive (I know its not the same, but it still smells of fish) you will experience hesitation going on the second throttle if the secondary idle is wrong of clogged.
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dw573
Samba Member
Joined: February 06, 2019
Posts: 2
Location: SC
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| Posted: Sat Jan 01, 2022 11:43 am Post subject: Re: Empi 38/38 EGAS carb. |
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Just installed an Empi 38EGAS on a 1641cc, 110 cam big flow heads with a 009 distributor.
Runs like a monster above 1800rpm, but dies when I get off the gas.
No idle at this point.
If I could get this carb to idle it would be perfect.
Had read in another thread that this was a knockoff of a Weber carb, anybody know which Weber carb?
Seeing as I've replaced almost everything on my Baja made by Empi due to quality issues.......  |
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Erik G
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Joined: October 16, 2002
Posts: 13545
Location: Tejas!
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| Posted: Sat Jan 01, 2022 11:47 am Post subject: Re: Empi 38/38 EGAS carb. |
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| dw573 wrote: |
Just installed an Empi 38EGAS on a 1641cc, 110 cam big flow heads with a 009 distributor.
Runs like a monster above 1800rpm, but dies when I get off the gas.
No idle at this point.
If I could get this carb to idle it would be perfect.
Had read in another thread that this was a knockoff of a Weber carb, anybody know which Weber carb?
Seeing as I've replaced almost everything on my Baja made by Empi due to quality issues....... |
it's a knockoff of the weber 38/38 DGAS. This carb is way too big for your motor and is pretty much wrong in every way for a VW. They work ok on a big inline 4 cylinder like a modified nissan / toyota |
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BFB
Samba Member
Joined: November 03, 2014
Posts: 2603
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| Posted: Sun Jan 02, 2022 9:47 am Post subject: Re: Empi 38/38 EGAS carb. |
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hook up the heater tubes, it common knowledge that miraculously makes it work...
also yes a 38 will work just fine idling off of just one side. it will also work just fine with different sized idle jets.
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An interesting thing happens in forums where everyone starts parroting the same thing and "common knowledge" takes over.
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St_Rand
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Joined: June 30, 2017
Posts: 41
Location: Lafayette Cali
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| Posted: Thu Oct 05, 2023 2:56 pm Post subject: |
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| jvulich wrote: |
| I just installed one on a friends 1600 dual port, all stock except a 009 distributor, mild cb performance cam and straight cut gears. I'm still tuning it... Trying to find the happy medium between performance and mileage. When I hit the throttle hard it goes like hell but the speedo and the fuel gauge go in opposite directions. For the novice installer like myself there is a bit of fitting/cutting as per the instructions which I did with a pipe cutter, not a hack saw, then theres other little things Hot VW's didn't do that that I did to make it a little cleaner install. On this particular car I shortened the throttle cable with a custom made 5/32 press on fitting(not with the funky screw on fitting that will hit the shroud with this kit), made an adapter from 5mm fuel hose to the 1/4 fuel hose that the egas carb uses( clamping 1/4 inch fuel hose on a stock fuel pump is asking for trouble in my opinion) and then I put a 90 degree fitting on the vent hose at the air filter so it wouldn't kink. |
Where did you get the press on fitting for the throttle cable? I've been looking for one and can't find it anywhere. |
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farnhamassoc
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Joined: February 16, 2010
Posts: 129
Location: Riverside ca
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| Posted: Mon Mar 31, 2025 10:56 am Post subject: Re: Empi 38/38 EGAS carb. |
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| vwracerdave wrote: |
| The 38/38 is a great carb for an inline 4 cylinder. They are junk on an air-cooled engine and have no place on them. The problem is the intake manifold runners and the DP end castings will never allow the flow that the carb is capable of. If you have one sell it and move on. If you are thinking about getting one then don't. Anybody that would even recommend putting one on an air-cooled VW is a hack. There may be a place for them on water cooled VW's |
Depends on how good you are at tuning. I have one on my 2007 in a bus virtually problem free. Once it is jetted it is a absolute dream. Power and NO MAINTENANCE
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andk5591
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Joined: August 29, 2005
Posts: 16800
Location: State College, PA
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| Posted: Mon Jun 09, 2025 12:28 pm Post subject: Re: Empi 38/38 EGAS carb. |
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Old thread - just wanted to let you know how I fixed the off idle stumble. Had 45 idles and bumped up to 55s. Problem gone.
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D-Dubya Manx clone 1914. Ex wifes car.
Rosie 65 bug - My mostly stock daily driver.
Woodie 69 VW woodie (Hot VWs 7/12).
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Jeff_V
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Joined: May 01, 2019
Posts: 1
Location: North Georgia
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| Posted: Fri Jun 13, 2025 5:27 am Post subject: Re: Empi 38/38 EGAS carb. |
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| andk5591 wrote: |
| Old thread - just wanted to let you know how I fixed the off idle stumble. Had 45 idles and bumped up to 55s. Problem gone. |
Thanks for that update. I believe this will solve the same problem for me. Would you mind sharing which part number you bought? I'm finding 2 different part numbers for the idle jet and based on photos the 2 part numbers look different from each other. |
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andk5591
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Joined: August 29, 2005
Posts: 16800
Location: State College, PA
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| Posted: Fri Jun 13, 2025 6:42 am Post subject: Re: Empi 38/38 EGAS carb. |
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| Jeff_V wrote: |
| andk5591 wrote: |
| Old thread - just wanted to let you know how I fixed the off idle stumble. Had 45 idles and bumped up to 55s. Problem gone. |
Thanks for that update. I believe this will solve the same problem for me. Would you mind sharing which part number you bought? I'm finding 2 different part numbers for the idle jet and based on photos the 2 part numbers look different from each other. |
The idle jet is the same one for the progressive and some others. I was in a brain fog from fighting with this carb. When I pulled the rear jet, the holder threw me off, so I didnt think I had that jet in stock. I reamed them out. If you are running a 45 idle now, I would suggest getting a 55 and maybe a 60. Total pain in the ass to swap the front since you have to pull the carb. AND expect the idle mix screws to be in further that it was before. I was maybe 1 to 1.5 turns out. This was on a stock 1600 BTW,
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D-Dubya Manx clone 1914. Ex wifes car.
Rosie 65 bug - My mostly stock daily driver.
Woodie 69 VW woodie (Hot VWs 7/12).
"John's car" 64 VW woodie - The first ever
Maxine 61 Cal-look bug - Ex-wifes car.
66 bug project - Real patina & Suby conversion
There's more, but not keeping them... |
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