Reply With QuoteBit of an upgrade video on the individual throttle bodies, hopefully more videos to follow
https://youtu.be/NOcr2Ca2pQE
Yea chin spoiler survived no problem, couple of scrapes, but it was always going to be a bit of a consumable.
We are running 205/55 R16 Dunlop DZO3G softs and have a 215/50 R16 mediums for the rear for longer stages
Awsome tyres
Bit of an upgrade video on the individual throttle bodies, hopefully more videos to follow
https://youtu.be/NOcr2Ca2pQE
Thanks Colin, another interesting video. have you changed your safety beer?
Another excellent video - I love the quality of your techy stuff - very inspiring !
It has inspired me enough to stay with the standard plenum and and maf setup etc.
Beautiful engineering though
Brilliant work as ever - thanks for producing these videos!
You are dead right about the PITA it is to balance 6 ITBs. Mine caused me no end of issues but got there eventually. I'm lucky that I have a DBW throttle and use that to control idle, so no need for all the vacuum lines on mine. Seems to work well though.
And I also noticed your new safety beer of choice appears to be VB.
Last edited by LPH_UK; 30-12-2022 at 13:45.
Dunno about the Alfa ITB setup, but the ecu on my Manta V6 engine (with plenum) just uses ignition for idle control, so no vacuum lines and no idle valve.
Makes it a little lumpy with some rise-and-fall in the revs, but seems to work well enough in that case.
The Emerald ECU I had on a Lotus (4 cyl k series rover eng) did the same. Lovely angry lumpy idle, helped by the aggressive cams.
No worries guys, glad your enjoying the vids, i've got another one done, just got to edit it down. Yep, different safety beer indeed!, Always been partial to the old VB, I am from Victoria!
yea 6 ITB, OMG what a pain, i can set up a pair of twin Webers with my eyes closed on a hangover, but 2 banks of 3 throttles nearly sent me off the deep end.....
Re the use of ignition modulation to control the idle, yep definitely an option, I mucked around with it for a while but it's a bit limiting on how much range you can get and I found the V6 wanted a pretty high idle when it first started, my aim was to be able to start the car without touching the throttle and with the ignition alone i just couldn't get this to happen, particular when it was dead cold
cheers guys
New Video!
I broke the Shifter Housing I used (original alfa part) at a track day @ Phillip Island, so I made a new one
out of Aluminimum...
https://youtu.be/k5GeCBSusE8
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