tomgregory2000
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| posted on 18/3/09 at 09:20 PM |
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Does anybody have this book?
Carb tuning
guide as i need the info on page 97 as it gives a guide to what jets are used on the Vauxhall 2L 16v with dellorto's.
Tommy
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austin man
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| posted on 18/3/09 at 10:35 PM |
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Dont have the book, call Fast Road cars he is very helpfull on these subjects and will advise and supply the jets needed. he has an ebay shop. Prices
ar fair
Life is like a bowl of fruit, funny how all the weird looking ones are left alone
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cliftyhanger
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| posted on 19/3/09 at 05:47 PM |
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Aha, you inspired me to find it!
twin 40DHLA,278degree cams. Dizzy 32degrees max advance.
34mm chokes
142 mains
200 air
45 pumps
50 idle (these must be non-emission carbs, emission ones would need at least a 60 idle0
7850.1 idle jet holder
7772.5 emulsion
7848.1 aux venturi
15mm float shut off
Be aware that most dellortos are emission ones which will make a HUGE difference to jets etc and the emulsions are not interchangable in the same way.
More info try http://www.sideways-technologies.co.uk/forum/Blah.pl?b-Del1/
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davesideways
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| posted on 20/3/09 at 05:05 AM |
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50 idle too small, you'll need atleast a 56-57 on the 7850.1 holder.
50 will barely even run a 1300 8V with a limp cam using 7850.1.
I'd use the 7850.1 its the cleanest atomising holder imo...
1300-1500 = 50-53 idle
1600-1800 = 54-57
1800-2100 = 57-60
142 main/200 corrector will lean out like mad at the top-end too.
Better on 45's.
Try this jetting, on DHLA45.
idle 58
holder 7850.1
main jet 155
Emulsion No.6
Air corrector 170
Pump 45
Needle valve 200
Choke 36mm
[Edited on 20/3/09 by davesideways]
[Edited on 20/3/09 by davesideways]
[Edited on 20/3/09 by davesideways]
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