Tratty's J&S Buggy

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Smiley
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Re: Tratty's J&S Buggy

Postby Smiley » Sun Mar 31, 2013 2:11 pm

Hey man. Don't know if you have seen these already, but just did a quick bit of searching.

http://www.thesamba.com/vw/forum/viewtopic.php?t=478593

http://www.shoptalkforums.com/viewtopic ... 5&t=137220


Hope it helps.



Smiley :)
If you said I was a Volkswagen man, you'd be right.
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Tratty
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Re: Tratty's J&S Buggy

Postby Tratty » Mon Apr 01, 2013 12:15 am

Thanks I've been to both of those, they tell you nothing :(
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OzTowdster
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Re: Tratty's J&S Buggy

Postby OzTowdster » Mon Apr 01, 2013 8:54 am

Give , Menangler ( Dave Becker ) a pm on AVD as i know he runs tri jets on a big type 1 motor and is a VW mechanic down Nowra way or you can ph him with the number i have sent you in a PM
Working at getting my Towdster and the Baja Bus back on the road !!!
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Tratty
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Re: Tratty's J&S Buggy

Postby Tratty » Tue Apr 02, 2013 9:40 am

Yep read your PM and figured what it was thanks Andrew, i just thought I'd wait till after Easter to give him a buzz :)
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Re: Tratty's J&S Buggy

Postby Tratty » Fri Apr 05, 2013 2:40 pm

Carbies are 48 trijet DRLA's with 40mm vents 200 air corrections 180mm Mains, 70 , 9164.1 emulsion tubes which means nothing to me, 120 trijets, it was running a bit rich at 12 to 12.5 air fuel ratio at mid upper throttle and 10_
- at full noise, I changed the Mains to 175s where upon it went to about 13.5 to 14 mid to upper throttle and about 11.5 full noise this is with my K&N's not the the Donaldsons
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Tratty
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Re: Tratty's J&S Buggy

Postby Tratty » Sat Apr 06, 2013 10:33 pm

It's very nice to drive at 100k, any movement of the throttle and it responds instantly but at 60ks (1700rpm) it's terrible you are on the transfer ports and it's terrible you either have to mash your foot down or change to third, I'm pretty sure I have the synchronization right but I'm not sure about the idle mixture screws, it idles beautifully but as soon as you get off idle yuck.It just occurred to me that the dellortos only have one vacuum take of per pair of carbies whereas webers have one per carby and they insist that you tee these together before connecting to the vacuum of the distributor, perhaps the pulsing of one barrel is not helping? I know you can buy the brass vacuum take off that might be an option until then I'just block off the vacuum and see what happens.
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Re: Tratty's J&S Buggy

Postby Tratty » Sun Apr 07, 2013 10:08 pm

I plugged the vacuum line to the distributor today,I think there was an improvement in performance, I also noted that the air/fuel ratio was about 13-13.5, tomorrow I will retard the spark took degrees btdc and redo the idle mixture screws.I also bought a cranky kit off Paul as I have had a couple of embarrassing moments when I have stalled and the engine would not crank over
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Re: Tratty's J&S Buggy

Postby manxiberty » Mon Apr 08, 2013 5:35 am

Tratty wrote:I also bought a cranky kit off Paul as I have had a couple of embarrassing moments when I have stalled and the engine would not crank over

its about time you went subaru :twisted: :lol:
if in doubt hit it with speed.... just don't hit the cactus!

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Tratty
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Re: Tratty's J&S Buggy

Postby Tratty » Mon Apr 08, 2013 8:49 am

:D maybe one day who knows, I've got a subi starter motor isn't that enough :D
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Tratty
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Re: Tratty's J&S Buggy

Postby Tratty » Mon Apr 08, 2013 11:49 pm

Strange thing all I did today was fit the cranky kit starter motor, jumped in the buggy and took it for a ten kilometre drive to a mates place it was running better although it was idling at 1300 rpm, when I came back home tonight it ran perfectly except it was idling at 1000 rpm :?:
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Tratty
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Re: Tratty's J&S Buggy

Postby Tratty » Tue Apr 09, 2013 10:02 am

Idling back at 1300 this morning, I wonder if the motor is just loosening up
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Re: Tratty's J&S Buggy

Postby VWNuts » Tue Apr 09, 2013 10:10 am

How reliable is your Tacho? Did the idle sound different?
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Re: Tratty's J&S Buggy

Postby Tratty » Tue Apr 09, 2013 10:34 am

The tacho is good the idle is smooth and sweet just fast and now there seems to be no problems crossing the transfer ports
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Re: Tratty's J&S Buggy

Postby VWNuts » Tue Apr 09, 2013 1:26 pm

No what I meant was can you hear a difference in the idle speed, or is it just the Tacho saying its different?
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Tratty
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Re: Tratty's J&S Buggy

Postby Tratty » Tue Apr 09, 2013 11:20 pm

No you can definitely hear a difference in the idle speed it was idling quite fast , I have now dropped it back to 900 rpm

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