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Re: Built A15 value? |
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Home away from home 
Joined: 2009/6/8 13:43
From Cape Town South Africa
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I got the same diff in my one. Im hunting around for the old alfa spider or berlina diff bolts in and a very nice strong LSD. Even harder to find than a gx head in SA.
Posted on: 2009/7/28 15:42
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Racing started the day the 2nd car was built!
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Re: Built A15 value? |
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Home away from home 
Joined: 2007/9/8 14:27
From South Africa
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http://www.extrudabody.biz/servlet/De ... IDF&no=92&searchpath=3876 boy these would work a treat on the A15! the quality of their machining is amazing and you can adapt it to suit your needs... wish I knew about these guys sooner!
Posted on: 2009/7/28 15:07
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'75 1200 B110 - 154hp Race prep A14 '97 Silvia - 600hp SR20 time attack '07 Hilux - Tow car
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Re: Built A15 value? |
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Home away from home 
Joined: 2007/9/8 14:27
From South Africa
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Going in way to fast, letting off, let it slide then controlling it by throttle, if you dont go in fast enough and you slide it you get to much body roll then you just spin up the inside tire usualy resulting in it looping :-p
plz note my suspension is rebuilt to OE spec, its not modded. I do have a 19mm front sway bar as I am told a few of our local market B110's had.
I am seriously in the market for a LSD though, i dont want to weld at all! thinking of having Phantom-grip make one up as I do not see myself spending R14k on a mechanical unit... to make matters worse I have the Borg Warner diff as stock which while it is seriously strong it is also left out when it comes to aftermarket bits.
Posted on: 2009/7/28 15:06
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_________________
'75 1200 B110 - 154hp Race prep A14 '97 Silvia - 600hp SR20 time attack '07 Hilux - Tow car
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Re: Built A15 value? |
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Home away from home 
Joined: 2009/6/8 13:43
From Cape Town South Africa
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Ian I had a look at those 2 pics you put up yesterday. Is that slide done by going in hard and tapping off or do you have a LSD it there?
Posted on: 2009/7/28 14:41
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Racing started the day the 2nd car was built!
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Re: Built A15 value? |
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Home away from home 
Joined: 2002/10/19 10:27
From Perth
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Yeh carbs are the reason for me going EFI. I got twin SU's after the A12 I had with the same setup. It worked mint!!! I got 200km/h out of the A12! I was looking for better results with my A14, little did I know SU's are difficult to get parts to tune them and then it's hit and miss with needles. Bugger that!!!! Since I had the quad throttlebodies on I haven't looked back. Even when I didn't know that they don't produce much vacuum and even when I was getting 14L/100km I didn't look back. Now I'm running Megasquirt and my economy and power are up and throttle response is GREAT!!! EFI For The Win!!!!!
Tuning on the fly is so much easier, oh its running a little lean on that corner..... adjust there and fixed!!! Easy.
I am not a tech who has done a course, nor am I a rich mofo who can buy the planet with daddy's money. I have done it the hard way all myself except my manifold which a mate whipped up for me. EFI is much easier to learn than mechanics, there's no hit and miss with electronics, only precise measurements that work time and time again.
As for the EFI A-series, Mine sounds mint with quad throttlebodies!!
-Liam
Posted on: 2009/7/28 14:03
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Re: Built A15 value? |
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Home away from home 
Joined: 2007/9/8 14:27
From South Africa
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Right idea yeah, obviously when you stick your hand over you get massive fuel from the ventury, mine would have just been from the idle and pump jet, still enough to cause big problems.
Posted on: 2009/7/28 14:00
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'75 1200 B110 - 154hp Race prep A14 '97 Silvia - 600hp SR20 time attack '07 Hilux - Tow car
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Re: Built A15 value? |
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Home away from home 
Joined: 2009/6/8 13:43
From Cape Town South Africa
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Registered Users
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Glad to hear! it makes sence to me and Im no carb doctor lol. In my understanding its the same as if you would put your hand over a carb while the motor runs and you sit with a wet fuel soaked hand. But in your case the butterflys did it
Posted on: 2009/7/28 13:47
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_________________
Racing started the day the 2nd car was built!
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Re: Built A15 value? |
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Home away from home 
Joined: 2007/9/8 14:27
From South Africa
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About the only thing i have not checked...
The throttle cable cam, its mounted to the front carb and in turn opens the second carb, adjustment between the two is on the cam itself and the idle and return spring sits on the 2nd/rear carb...
Problem is the throttle cam is worn out and has 1.4mm movement on the front carb's shaft! this means that the front carb is VERY rarely in sync = some times perfect idle, some times terrible. I can almost guarantee my corner problem happens because I let off at 8500rpm just before that corner just for a second or two then get back onto it as I get into the corner, I recon whats happening is the throttle butterflies are getting sucked totally shut on the front carb which then forms a massive vacuum which is also placed on the idle jets/pump jets which suck loads of fuel in and as soon as I floor it again she floods out... the actual intake manifold should never see a totally shut butterfly (due to idle control)... This would also explain how I was getting fuel into the choke box! It would also explain why I needed the 22mm lower float level to get enough fuel in fast enough during this “lets SUCK the fuel out session”
I hope to hell I am right, either way it should make a HUGE difference to drivability. How the carb guy didn’t notice in his 3 times of changing this front carb is totally beyond me… this really is idiot 101 stuff, as an engineer I now feel like a total twat for not actually having worked on the DCOE’s myself! So much for trusting the pro’s.
Posted on: 2009/7/28 13:25
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'75 1200 B110 - 154hp Race prep A14 '97 Silvia - 600hp SR20 time attack '07 Hilux - Tow car
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Re: Built A15 value? |
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Home away from home 
Joined: 2009/6/8 13:43
From Cape Town South Africa
Group:
Registered Users
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And??? Dont keep us hanging haha
Posted on: 2009/7/28 11:46
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_________________
Racing started the day the 2nd car was built!
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Re: Built A15 value? |
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Home away from home 
Joined: 2007/9/8 14:27
From South Africa
Group:
Registered Users
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Well, in an effort not to jinx it I will refrain from comment till tested, but i think I found the problem! would explain all my symptoms as well as crappy idle.
I guess the carb master likes to over look VERY simple things first.
Posted on: 2009/7/28 11:44
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'75 1200 B110 - 154hp Race prep A14 '97 Silvia - 600hp SR20 time attack '07 Hilux - Tow car
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