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Triple Dellortos ready to install


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#1 Toecutter

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Posted 04 October 2007 - 07:00 PM

Lets the tuning head aches begin  ;)

http://www.classiczc...59&d=1191488025

#2 modular9

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Posted 05 October 2007 - 09:18 AM

blow by blow account please. Dont make me wait for a today tonight special on a "car tuner in victoria goes on a murderous rampage after his carbs dont tune correctly and we have exclusive pictures ".

;D

#3 Toecutter

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Posted 05 October 2007 - 09:57 PM

hehe- yer I'm off to Byron Bay next week so I'll try installing them after my lazy holiday. Perhaps I should have done iyt the other way round as I might need the holiday afterwoulds!  :D

#4 JP240z

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Posted 07 October 2007 - 01:15 AM

Give us a yell if you need any advice or anything with them sulio.
Mine aren't tuned exactly how I would like them.
But i guess I am one of a few that has put tripple delortos into their zed.
Your first step will be modifying your exisiting accelerator linkage to suit?

#5 Toecutter

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Posted 09 October 2007 - 10:22 AM

Thanks Jack. Yer I'll get that linkage sorted soon and bolt them on. Probably still a couple of weeks away as I'm away from home on holidays atm.

Sulio

#6 Toecutter

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Posted 22 March 2008 - 08:10 PM

Well it's been some time but finally got a chance to install my tripples. To my surprise once installed they started and idled with no adjustments. Took the car for a spin and found it smoked more than usual and sounded like it was running rich. Photo below of my dirty engine bay. Disregard all the tempararily blocked off lines. Next move is to remove the A/C and all the unecassary piping in the engine bayy to clean the motor up a bit and have a go at tuning the carbs. Oh definately need to change the dodgy flexible Lynx rose joints.

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#7 Glen

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Posted 23 March 2008 - 07:57 AM

well they look sweet, your almost there if the car starts and idles. Did you buy this setup brandnew or secondhand. What sort of $ are we looking at here if you dont mind me asking :)

#8 Enzo

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Posted 23 March 2008 - 09:12 AM

Hi Sulio,
          Congradulations on the latest edition to your car. Remember that Dellortos like about 2.5 psi fuel pressure. You can also change the bango fitting on the last carb to allow fuel to return to the tank through a small restriction , to reduce pressure on the needle and seats when the engine is turned off.

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#9 modular9

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Posted 23 March 2008 - 09:26 AM

sulio ; You didnt talk about the sound i mean the ... Grrrrr sound. There should be a law against it. In fact i am going outside to start my car up again.  ;D
Congrats in getting them on and getting them started. I know what a B$%^ they can be...  But the increase in performance is superb. You'll love it.

One question : how's the strut bar clearance on your linkage . Been thinking of putting a strut bar but the linkage is quite high.

enzo250gto : thanks for the tip will follow on mine .

#10 Toecutter

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Posted 23 March 2008 - 10:20 AM

Insert Quote
well they look sweet, your almost there if the car starts and idles. Did you buy this setup brandnew or secondhand. What sort of $ are we looking at here if you dont mind me asking


I bought these used from an Italian fella that sell them on e-bay. All up the set up has cost me about $1100.00 to date that is with carbs, manifold, linkage kit, soft mounts, trumpets. However, from my understanding you can spend that much quite easily on proper dyno tuning once installed.

Hi Sulio,
          Congradulations on the latest edition to your car. Remember that Dellortos like about 2.5 psi fuel pressure. You can also change the bango fitting on the last carb to allow fuel to return to the tank through a small restriction , to reduce pressure on the needle and seats when the engine is turned off.


Thanks David, Yer well I have them running from the mechanical pump. I've noticed some time ago I also have a fueflow sensor inline between the pump and carbs. I do not believe it's a factory item so most likely remove it.
It regards to the small fitting I noticed it and I've plugged the reurn line. I'll look up the Italian fella for that lst fitting.

sulio ; You didnt talk about the sound i mean the ... Grrrrr sound.


Yer they do sound pretty good. Scare small children away!  ;D Thestrutt bar clear easily as the carbs sit lower than the SU's.

Cheers,
Sulio


#11 Glen

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Posted 23 March 2008 - 11:14 AM

I bought these used from an Italian fella that sell them on e-bay. All up the set up has cost me about $1100.00 to date that is with carbs, manifold, linkage kit, soft mounts, trumpets. However, from my understanding you can spend that much quite easily on proper dyno tuning once installed.


well i know where my tax check will be going this year thats a good price, i have heard quotes of around $200 per carby for setting them up. HArd to shop around for that sort of thing and to know where to go.

#12 chris240

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Posted 23 March 2008 - 11:21 AM

lookin good. aint nothin as sexy as tripples.
many years ago I sold a pair of fully re'coed & polished 40mm dellortos for $350..I regret that day  :P

#13 modular9

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Posted 24 March 2008 - 02:54 PM

err yep you can easily spend $1075 or so on a dyno tune and so forth  :-[ :'(

But worth it.

#14 Toecutter

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Posted 30 March 2008 - 11:32 AM

After reading up on how to set up my tripples and doing some research on various forums I put everything in a spread sheet for reference sake. I thought it might help some others regarding a basic set up stage. Please note I am only using this info to get to a starting point as far as set up goes. Should you have some info to add or corrections please advise as it will help. Most of the info provided is from the book by "Des Hammill", on "How to Build & Power Tune Weber & Dellorto Carbs". All he info on the sheet is in reference to DHLA40's. I hope others might be able to provide more info on their respective set ups.

Sulio

I could'nt attach it as an excel file so it's PDF. PM me if you want the Excel sheet..

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#15 modular9

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Posted 30 March 2008 - 01:21 PM

Great work mate.
Have you got flow figures and 3d flash interactive flowbench modelling figures as well to make it perfect ?  :P

#16 Toecutter

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Posted 30 March 2008 - 02:51 PM

Flow figures!? My guess is your just jiving, this is the info I'm starting with and hoping to build on by trial and error as I go. I'll keep updating this spreadsheet as I go with more reading, advice and trial and error...and with all that hopefully it does'nt wear down my patients before getting them running to a reasonable level. Once the motor is rebuilt I will have no qualms about getting them proffessionally tuned but I don't want to do that twice so I'll just have a crack at it my self for the time being.

Cheers,
Sulio

#17 modular9

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Posted 30 March 2008 - 03:33 PM

joshing mate !

Yeh the tuner i went to wants to see the car after i put the n42 head on and exhaust as well as the ram tubes . He reckons that they will need a retune. Anyway once that is done i'll send you the updates to the needles and stuff. ( he reckons i could go higher but i dont know looked at my plugs to day and they literally dripped in fuel ! )

#18 Toecutter

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Posted 31 March 2008 - 12:44 AM

Hey Modular just having a look at the info compiled todate and noticed your idle jets are pretty big even when compared to the modified L28's. Might have something to do with why it's so rich!????

anyhow updated sheet attached below...

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#19 modular9

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Posted 31 March 2008 - 09:10 AM

yeh I have thought about it. In fact only this morning!! I have decided to change the jet size down to 55 ( i got them as well at the same time ) and/or change the fuel pressure as well. Getting some spit back in traffic. At present fuel pressure is 5 psi  which is too much (could have a contributing factor ) and i think Enzo250 on here said something about 2.5 psi and a restricted return line. PLus as you say they are very big.

However when she is on cam the car handles ... rather well.  ;D ;D

Great work on the pdf. Should become almost a bible of settings like the efi one on hybridz.

#20 mick74

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Posted 31 March 2008 - 11:44 AM

Modular

Before changing your idle jets, turn down your fuel pressure to 2.5 psi or lower (I'm running at 1.8 psi with restricted return).




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