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68-69 HEMI OWNERS help
#32868
12/24/06 01:55 PM
12/24/06 01:55 PM
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Anonymous
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i need some help finding out where the intake manifold vacuum tube fitting goes to and also there is another small stainleess tube going down behind the motor that sticks up in the back directly behind the motor even with the air cleaner, i think it goes to the air cleaner but not sure, any help greatly appeciated as the intake vacuum tube on my hemi engine is just plugged off.
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Re: 68-69 HEMI OWNERS help
#32869
12/24/06 02:00 PM
12/24/06 02:00 PM
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Joined: Aug 2003
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Houston, Tx
hemi68charger
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The vacuum fitting will depend on the car it's going in.. Like, a Charger may have more nipples.. These are some pictures I have for reference for my '68 Hemi Charger... 
Last edited by hemi68charger; 12/26/06 02:14 PM.
TroyHouston Mopar Connection Club'69 Charger Daytona 440 - auto - 4.10 Dana (now with 426 hemi) '69 Charger 500 440 - 4speed - 3.54 Dana '70 Road Runner 383 - 4speed - a/c (now with 440)
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Re: 68-69 HEMI OWNERS help
#32870
12/24/06 02:01 PM
12/24/06 02:01 PM
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Houston, Tx
hemi68charger
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Another. From am unrestored '69 Hemi Charger R/T. 
Last edited by hemi68charger; 12/24/06 02:03 PM.
TroyHouston Mopar Connection Club'69 Charger Daytona 440 - auto - 4.10 Dana (now with 426 hemi) '69 Charger 500 440 - 4speed - 3.54 Dana '70 Road Runner 383 - 4speed - a/c (now with 440)
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Re: 68-69 HEMI OWNERS help
[Re: hemi68charger]
#32871
12/24/06 02:06 PM
12/24/06 02:06 PM
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troy thanks, that works for my 69 hemi roadrunner but your 1st picture shows the back of your 68 motor and you have that intake manifold fitting not hooked up yet, where does that one go, the 69 hemi question is solved but now i need help with my 68 hemi roadrunner.
Last edited by SUPERSTOCKRACER; 12/24/06 02:36 PM.
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Re: 68-69 HEMI OWNERS help
[Re: hemi68charger]
#32872
12/24/06 02:28 PM
12/24/06 02:28 PM
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San Francisco Ca
SCATPK
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Quote:
Another. From am unrestored '69 Hemi Charger R/T.
Sorry to cut in but what is the green canister on the intake in your picture for? I have one in a box of old parts and always thought it was a california emmisions deal?
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Re: 68-69 HEMI OWNERS help
[Re: SCATPK]
#32873
12/24/06 02:33 PM
12/24/06 02:33 PM
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69 hemi cars came with those, hooks up to your vacuum lines, i have one on my 69 hemi roadrunner, i am looking for info now on my 68 hemi roadrunner, where the vacuum fitting on back of the intake goes to.
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Re: 68-69 HEMI OWNERS help
#32876
12/24/06 03:24 PM
12/24/06 03:24 PM
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Joined: Jan 2006
Posts: 736
Virginia
rm23j8g
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That small steel tube behind the motor connects with a short vacuum type hose to the nipple on the bottom rear of the air cleaner base. It supplies clean air for the choke down to the exhaust manifold to get heated before it comes back up to the choke housing on the carb. If you have power brakes, the large vacuum fitting on the manifold fitting goes to the booster. There is a smaller vacuum nipple also that goes to that green cannister like the picture here in an earlier post on the '69. If, like most, the green cannnister has been removed, just be sure that small nipple on the manifold fitting is plugged and use the ported vacuum on the rear carb for distributor vacuum. My late '68 Roadrunner came with the green cannister, but it had been removed before I bought the car in '76. It has the large and small nipple manifold fitting and the original vacuum lines that used to connect the cannister were still in place. Oh, and I'd love to find an original cannister for my car! Quote:
i need some help finding out where the intake manifold vacuum tube fitting goes to and also there is another small stainleess tube going down behind the motor that sticks up in the back directly behind the motor even with the air cleaner, i think it goes to the air cleaner but not sure, any help greatly appeciated as the intake vacuum tube on my hemi engine is just plugged off.
Last edited by rm23j8g; 12/24/06 03:31 PM.
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Re: 68-69 HEMI OWNERS help
[Re: rm23j8g]
#32877
12/24/06 03:35 PM
12/24/06 03:35 PM
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THAT helps with the air cleaner issue for the 68 hemi car but still need info help on intake manifold nipple fitting on the back of the intake nanifold, where does that one go?
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Re: 68-69 HEMI OWNERS help
[Re: SCATPK]
#32878
12/24/06 04:04 PM
12/24/06 04:04 PM
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Posts: 17,527
Las Vegas, NV
6bblgt
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Quote:
Quote:
Another. From am unrestored '69 Hemi Charger R/T.
Sorry to cut in but what is the green canister on the intake in your picture for? I have one in a box of old parts and always thought it was a california emmisions deal?
The 1969 Parts Catalog describes the "green canister" as:
8-27-335
VALVE and COVER,
Distributor Vaccuum Control, w/Manual Transmission
w/170 Eng. - # 2843 299
w/426 Eng. - # 2863 739
I thought they were '69 manual transmission only, as the listing in the parts catalog suggests;
but the '69 Charger pic above is an automatic. What gives?
I've heard the difference between the /6 and HEMI is the mounting bracket.
Frank mitchell has them listed on ebay from time to time.
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Re: 68-69 HEMI OWNERS help
#32879
12/24/06 04:13 PM
12/24/06 04:13 PM
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Las Vegas, NV
6bblgt
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Quote:
still need info help on intake manifold nipple fitting on the back of the intake nanifold, where does that one go?
If you do not have power brakes, the only vacuum line on the engine of your '68 HEMI Road Runner should be the vacuum advance for the distributor.
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Re: 68-69 HEMI OWNERS help
[Re: 6bblgt]
#32880
12/24/06 04:28 PM
12/24/06 04:28 PM
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vacuum line from the distributor i believe goes to the front port on the carburetor.
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Re: 68-69 HEMI OWNERS help
[Re: 6bblgt]
#32882
12/24/06 05:01 PM
12/24/06 05:01 PM
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Rio Linda, CA
John_Kunkel
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The green valve was also used on the '68 Hemi, both standard and automatic. It has three nipples, one goes to manifold vacuum, one to the rear carb timed port and the other to the distributor. In normal operation the valve lets the vacuum advance work as usual but under the high vacuum of deceleration it routes full manifold vacuum to the distributor. Full advance during deceleration helps clean up emissions. Here's one on my old '68 Hemi RR. 
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Re: 68-69 HEMI OWNERS help
[Re: John_Kunkel]
#32883
12/24/06 05:21 PM
12/24/06 05:21 PM
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does anyone know how late the green emissions cannister was used on 68 model hemis, i am prety sure the early 68 hemis did not have them
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Re: 68-69 HEMI OWNERS help
[Re: SCATPK]
#32884
12/24/06 05:28 PM
12/24/06 05:28 PM
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So Cal
Sinitro
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Quote:
Sorry to cut in but what is the green canister on the intake in your picture for? I have one in a box of old parts and always thought it was a california emmisions deal?
Back in the 60s'..
California had stricter smog requirements over the other 49 states..
And the green thing was in the vacuum line between the intake and the distributor. It would alter the advance under start and/or deceleration conditions. In 66 I bought a Belvedere II with a street hemi and had one on it for about a month.. 
I had a timing problem when I picked up the car from the dealer, and the lead mechanic had no idea how to time the hemi as the tune-up bulletins were not out yet.. He set the timing so it would at least start & run.. But not that good..
Got home pulled off and tossed the green thing, dropped in a Mallory distributor from J&S, set the timing like a traditional Mopar (36 total advance) and headed off to OCIR... 
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Re: 68-69 HEMI OWNERS help
[Re: RAH]
#32889
12/26/06 07:21 AM
12/26/06 07:21 AM
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Joined: Jan 2003
Posts: 1,376
NORTHERN CA
HUSTLESTUFF
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My 68 GTX 440 4 spd had one of the green thingys. It's missing from my hemi.
"Were in it to win it. Anything less will end up being..... A whole lot of fun doing!!" UNLAWFL
RIP UN
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Re: 68-69 HEMI OWNERS help
[Re: topside]
#32892
12/26/06 02:18 PM
12/26/06 02:18 PM
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Joined: Aug 2003
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Houston, Tx
hemi68charger
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Quote:
The green vacuum advance canister was part of the Cleaner Air Package for California cars; my '69 383 4-speed Calif Roadrunner had one, as did my '68 Charger 383 4-speed CA car. I don't remember it on my '68 383 auto Roadrunner that was bought new in Denver.
The '69 Charger R/T I posted isn't a California car. I don't think it's a Cali-thing..... Also, Carl's '69 is an unrestored car he bought off the original owner. He's had the car since I believe '76... So, it's definitely not a 4-speed thing either....
TroyHouston Mopar Connection Club'69 Charger Daytona 440 - auto - 4.10 Dana (now with 426 hemi) '69 Charger 500 440 - 4speed - 3.54 Dana '70 Road Runner 383 - 4speed - a/c (now with 440)
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Re: 68-69 HEMI OWNERS help
[Re: hemi70se]
#32893
12/26/06 02:21 PM
12/26/06 02:21 PM
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Joined: Aug 2003
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Houston, Tx
hemi68charger
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Quote:
The green CAP valve was put on all 68-69 Hemi engines no matter which trans it had. There is a picture of a 68 HEMI GTX conv. in Car Life Feb. '68 road test that clearly shows the valve in place. I also have a picture of a NEW 68 Hemi Coronet R/T that was in a 68 vintage magazine that shows the crew replacing the fact dist with a Mallory unit and you can clearly see the CAP valve in the pictures. The mounting bracket is unique to hemi's, but you can use a valve from a 383/ slant 6 one and replace the bracket with a repro hemi one.
I agree..... I also see from the markings that the bracket was bolted in place, on the intake and painted with the motor. Then, the green valve was positioned and the "V" part of the bracket grimped around the valve...
TroyHouston Mopar Connection Club'69 Charger Daytona 440 - auto - 4.10 Dana (now with 426 hemi) '69 Charger 500 440 - 4speed - 3.54 Dana '70 Road Runner 383 - 4speed - a/c (now with 440)
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Re: 68-69 HEMI OWNERS help
[Re: hemi68charger]
#32894
12/26/06 04:38 PM
12/26/06 04:38 PM
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I HAVE A NOS ONE IN A BOX WHICH IS GOING ON MY HEMI ROADRUNNER.it states that it is for both manual and automatic cars, they call it a USED CAR CLEANER AIR PACKAGE or vacuum advance control valve.
it states when the engine idling in nuetral adjust the idle speed at 650 for automatic cars and 700 rpms with manual transmission.
so now we are sure it is for both trans. carsit also is used on 6 cylinder cars as well 695rpm with auto.trans 745 rpm with manual.
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Re: Emissions Control Valve AKA Vacuum Delay Valve AKA
[Re: John_Kunkel]
#32895
04/16/12 03:28 PM
04/16/12 03:28 PM
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Fort Worth, Texas
xs29j8
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"The green can thingy" and at least a dozen other names it has been given over the years... Time for another re-hash... same questions: 1) What years installed by factory? 2) Manual only, or both manual & automatic? 3) For all states?... Entire production run for each year? Any new info... I was told there were some recent articles in some Mopar magazines...??? Quote:
The green valve was also used on the '68 Hemi, both standard and automatic.
It has three nipples, one goes to manifold vacuum, one to the rear carb timed port and the other to the distributor. In normal operation the valve lets the vacuum advance work as usual but under the high vacuum of deceleration it routes full manifold vacuum to the distributor. Full advance during deceleration helps clean up emissions.
Here's one on my old '68 Hemi RR.
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Re: Emissions Control Valve AKA Vacuum Delay Valve AKA
[Re: 68jim]
#32901
04/16/12 04:11 PM
04/16/12 04:11 PM
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Fort Worth, Texas
xs29j8
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Quote:
My 68 RR has its original green "thingy" back on and it seems to work OK. Second owner took it off when he raced the car but was a pack rat and kept everything - bonus for me... I've heard the usual stories from back in the day that those were usually tossed early on. The Factory Service Manual has instructions for testing/tuning and I seem to recall that mine was still operating as it should. These are some shots from several years ago when the motor was on the stand.
Jim
Jim - Great Pics... Thanks for posting them!
Allen
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Re: 68-69 HEMI OWNERS help
[Re: hemirdrnnr]
#32902
04/16/12 04:15 PM
04/16/12 04:15 PM
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Fort Worth, Texas
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Quote:
does anyone know how late the green emissions cannister was used on 68 model hemis, i am prety sure the early 68 hemis did not have them
My car was built in 0ct of 68 and it has one.
October 1967 maybe for early 1968 build...?
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