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Guest Message by DevFuse
 

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Weber plumbing discovery


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3 replies to this topic

#1 Flowmastered87GL

Flowmastered87GL

    WCSS Drunk

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  • Portland, Oregon

Posted 13 September 2004 - 11:08 PM

I was talking with GLCraigGT today in my garage about plumbing the vacuum lines on my BRAT when the engine goes back in. We got to talking about the single vacuum nipple on the base of weber carbs (DGEV and DFEV) and I said I had the base of my weber hooked up to the intake.

Well... turns out I more or less had 2 vac sources sucking on each other.

I was used to the old junky hitachi having tons of vac stuff that I kinda figured the weber needed vacuum for something... I didnt even think that it produced vacuum like the intake does.

Well my old setup was intake running the climate control, intake running the weber, and intake running the disty advance.

Now its replumbed as:

Intake running the climate control, vac plug, weber running the disty advance and another vac plug.

The idle before: 1100 RPM
The idle now: ~ 750-800 RPM

So the idle is finally normal now! It hasnt been normal for years!

The car seems to have a bit more power now, maybe its psychological, I dunno. I await to see if my gas mileage changes (as I keep meticulous records of that)

#2 Mykeys Toy

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  • South Prairie, Wa

Posted 14 September 2004 - 07:10 AM

Could be that my Weber is done the same way. Idle sits usually around 1100..I may have to ask for some detailed pics when i get some spare time.

#3 oddcomp

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  • longview ,wa

Posted 14 September 2004 - 09:32 AM

more power can be expected since now the "ported" vacum spot ont he weber actually advances the disty like it hsould under acceleration

yeah yeah i know much arguin has been done about how the disty advance should work :)

#4 edrach

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    RIP 6/28/14

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Posted 14 September 2004 - 09:38 AM

Can you get pics of this? Maybe we could take them at Hood River; I'll bring my camera.




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