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 2.6 carb vacuum secondary question
#1042612
02/23/12 05:38 AM
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Joined: Jan 2012
Posts: 427
OP
Mudrunner
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Hello
So tonight i finally got around to hooking up a vacuum pump to my secondary and realized the the diaphragm is shot and it does not hold vacuum.. when i open the throttle and apply vacuum to the secondary it kinda limply opens the secondary but under engine vacuum i dont know if it could actually open the butterfly.
Question A
When I change this out should I expect a bit more power? (please say yes)
Question B
If i am careful can i change this well the carb is on the truck or does the carb need to come off?
Thanks
Mike
1989 Mighty Max 4WD 2.6 Turbo,Auto EFI...megasquirt! 4.62 Rear LSD!
1989 Mighty Max 2WD 2.6 5 speed slammed
1993 Eagle Talon TSI
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Re: 2.6 carb vacuum secondary question
[Re: boostin]
#1042613
02/23/12 06:07 AM
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Joined: Jan 2012
Posts: 427
OP
Mudrunner
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also where can i fond one, i have been looking on line for the last twenty minutes with no luck
1989 Mighty Max 4WD 2.6 Turbo,Auto EFI...megasquirt! 4.62 Rear LSD!
1989 Mighty Max 2WD 2.6 5 speed slammed
1993 Eagle Talon TSI
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Re: 2.6 carb vacuum secondary question
[Re: boostin]
#1042614
02/23/12 05:34 PM
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Joined: May 2000
Posts: 6,132
Trail Leader
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Just so you know: There is a shaft interlock that prevents the secondary from opening until the primary has opened.
The way I usually test the secondary is unhook it from the throttle and fully compress it. Once compressed place your finger over its port. Release pressure on the rod. If it you have a leak it will end up in its initial position.
And yes, having the secondary working makes a big difference.
Kevin
Last edited by Kevin C; 02/23/12 05:35 PM.
87 Turbo Intercooled Raider, roller cam, torsen rear diff, LSD front diff, lockup auto with modified converter, V6 brakes, low transfer case gears...
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Re: 2.6 carb vacuum secondary question
[Re: Kevin C]
#1042615
02/24/12 01:46 AM
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Joined: Jan 2012
Posts: 427
OP
Mudrunner
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yeah i deffinitly had the main one open when testing, well i am looking forward to an improvement for sure!!
1989 Mighty Max 4WD 2.6 Turbo,Auto EFI...megasquirt! 4.62 Rear LSD!
1989 Mighty Max 2WD 2.6 5 speed slammed
1993 Eagle Talon TSI
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Re: 2.6 carb vacuum secondary question
[Re: boostin]
#1042616
02/24/12 09:04 PM
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Joined: Feb 2012
Posts: 9
Need a Spot
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Proud owner of Dark Blue 1988 Dodge Raider G54B 4cyl. Dealer owned and Sat on showroom floor in Austin Texas until 2003! Lived in Wisconsin until 12/11. She's a Happy Hoosier now! I get lot's of people saying " What is that!" I love it!
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Re: 2.6 carb vacuum secondary question
[Re: Shooter]
#1042617
02/25/12 04:06 AM
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Joined: Jan 2012
Posts: 427
OP
Mudrunner
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hey thanks, i did stumble across that and that apears to be the only one i stumbled across.
I actually found my old carb from my 2wd mm and its actuator still worked.
I swaped them out and the truck does seem a little more spunky, but still pretty gutless.
I blame the auto trans for making things unfun.
Funny how the same engine in a 2wd, lighter, smaller tires and that truck just moves like the dickens!
1989 Mighty Max 4WD 2.6 Turbo,Auto EFI...megasquirt! 4.62 Rear LSD!
1989 Mighty Max 2WD 2.6 5 speed slammed
1993 Eagle Talon TSI
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Re: 2.6 carb vacuum secondary question
[Re: boostin]
#1042618
02/25/12 05:13 AM
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Joined: Feb 2005
Posts: 7,458
Trail Leader
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I sold the engine from my wrecked silver 87 stick Montero to an acquaintance with an automatic Raider. Same spritely engine was a turd with the auto.
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Re: 2.6 carb vacuum secondary question
[Re: rxinhed]
#1042619
02/25/12 05:24 AM
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Joined: Jan 2012
Posts: 427
OP
Mudrunner
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do you know if there is anything that can be done to the trans to make it less boring???
1989 Mighty Max 4WD 2.6 Turbo,Auto EFI...megasquirt! 4.62 Rear LSD!
1989 Mighty Max 2WD 2.6 5 speed slammed
1993 Eagle Talon TSI
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Re: 2.6 carb vacuum secondary question
[Re: boostin]
#1042620
02/25/12 02:08 PM
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Joined: Jan 2001
Posts: 13,649
Web Wheeler
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Put a turbo on the engine in front of it...
Not responsible for advice not taken...
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