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DCOE45Z
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Discussion Starter · #1 ·
so haha i know you love this shit rich...

old oriental mechanics are the most stubborn people in the world is swear! Me and shady paid him another visit today and let him know i hadn't been driving the car and got straight to the point...I NEED 41mm chokes!!!

Well, needless to say he flipped, started yelling at me saying:

-not enough compression in that motor
-only 3 valves
-its only a 2.0L

blah blah i don't need to get you worked up anymore than you probly are haha. but i told him i will show you the money and can you tune it for me? he finally gave in :)

so where can i get some chokes??? do you havea link or something? i'll do my best browsing on the interentet.
 

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Chokkkkkkkkkeeeeeeeeeeesssssssss!!!!!!!!!

Well you still not telling me how you got it setup!!!!!!!!!
Let me know the Jetting settings please then i can compare it to mine and give you a rough setup to start with to try out then you can fine tune from there.

If you got a complete lack of bottom end then having bigger chokes really ain't going to make much of a difference, i think with webers you just need more throttle control when pulling away it's not like a plenum job you need to carefully feed in the amount of throttle to get a good pull away with lots of torque, when you get used to feeding in the throttle gently you'll notice that you actually have bags of torque low down also having a lightweight flywheel doesn't help either. But you definately can't just mash your foot to the floor from a standing start or you'll just end up stalling and waiting for 5 seconds for all hell to break loose!!

On another post you said that it's pulling upto 7k doesn't spin any faster than 7k or is that just as high as you dare go, wheres the peak power coming in at? and when does it start pulling like a train from 2k/3k/4k/5k?

Also 41mm chokes are dead rare to get you may have to settle with 40mm which will be fine or get another set and have them machined out bigger start with 40mm mine ran fine with 40mm for a long time till i switched to bigger valves and camshafts then i modded them to nearly 42mm.
As far as getting chokes not sure really where you can buy some from, i have a spare set of 40mm's but i would imagine that any weber supplier your side would have some or get hold of some fairly quickly, the best ones to get are ones that are made by other companies to fit Webers as the weber ones are rubbish cast ally machined to fit and not a very good shape, the aftermarket ones are not cast but CNC from solid ally tubing and tend to have a better profile.

The fact that it is a 2.0l engine and that it does have 3 huge valves and not 2 small valves or 4 small valves is reason enough to use the 40mm chokes, but compression is an issue whether he means the compression from cylinders or the CR ration compression not sure could be both. Whats the camshaft specs your running again? Might be worth sticking with the way it's set or maybe just trying 38mm chokes but i'd still say runing the 40mm's won't do any harm will be more good than bad!!
 

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OILCOUNTRYMODERATOR
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ya the car forsure wants to go and its all in 3rd gear...but i know forsure what your talkin about rich forsure...haha with that big intake mani last year if i stomped it off the start the car would almost die from being smothered with air haha...so it would be about 25% throttle till about 45 and then 75% and at 6.5 id punch it...
 

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You know, I had the same problem with the b18 intake... kinda seemed like it wanted to die at takeoff, but then would suddenly kick up. Any way to get around that? I liked the top end boost it gave, but hated how it killed me at takeoff.
Seems like with the a20 intake, the tourqe curve is alot into lower rpms... doesn't do much good past 5k to 6k, but with the b18 intake, kept it up into 7k (didn't go past 7k, 211k miles, dont wanna push it, lol)
 

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DCOE45Z
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Discussion Starter · #6 ·
Rich you're bang on once again :smilejap:

There is a 180 degree world of difference driving with the webers compared to driving the SI. I find i have to rev it up before i take off cuz the carbs load up with gas (not FINE tuned yet but im sure that would help). I tried a little differenet approach today and my old mechanic from last year was right about Webers...THEY ARE RACE CARBS FOR GOING FAST!!! Not idling or putzing around town, just ripping through the rpms.

I feathered it in first for a bit then stomped the shit out of it...fucking thing really gets going through the gears then eh'!

One other thing i really like is that when i down shift the car keeps going! you don't lose speed like when i downshift in the SI or my old Ford escort for that matter haha.

While shady and everyone goes golfing Saturday I'll be ripping the carbs apart and taking lots of pics!

thanks rich. :)
 

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overun

Hmm that doesn't sound right sounds like the butterfly's aren shutting tight or the springs that close them are strong enough?
Mine engine breaks so well i don't have to use the brakes when driving around town normally!! And when on track is excellent engine braking. Check the springs in the carbs that shut the butterfly's maybe they've broken or come off but also the spring on the linkage should be pretty strong too.
 

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Go Oilllllllllllllllllllllllersssss
 

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DCOE45Z
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Discussion Starter · #11 ·
damnnnn boys. had quite of a somewhat productive weekned haha. the sley is ripping dece now and is quite a blast to drive. installed some goodies and turned the fuel pressure up so its starting to come together.

RICH... the jets in there are pretty bang on to what u suggested. F16 w/130's and 50F10's.

Runs really good, i love the chunky idle and it defently screams like shit
@ 6500 revs.

Remember before what i was saying about Ray swapping out i think they were the venturies from 45's to 40's. (The piece thats held in by the 2 screws on the bottom of each carb. Where is the choke located adjacent to those pieces and should i put the 45's back in?
 

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jets

AHHHH your a nightmare get yourself a Weber book!!
Info
Choke size: (36mm currently right?)
Aux Venturis: (4.0mm currently down from 4.5mm originals right)
Emulsion Tubes: F16
Main Jets: 130?? Need to know the size
Air Correctors: 130?? Need to know the size
Idle jets: 50F10

You have the butterfly then the main bore then after that is the choke which is removeable then after the choke is the Aux venturi round thing looks a bit like a Vulcan space ship from Star trek, then the trumpet fits in last.

Yes with 40mm chokes might be an idea to put the 4.5mm aux venturis back in, i still reckon the main jets are way off for a tuned 2.0litre should be at least 140 even 145 or 150 sometimes i even use 160 when dragging. I appreciate that your's isn't as developed as mine but it' shouldn't be that far off. I'll have to check the idle jets on mine can't remember what they are off the top of my head.

I'd go with 40mm chokes, 145 mains with F16 tubes, 160-170 air correctors, 4.5 aux venturi's and see how that goes

alternative would be 38mm chokes 140 mains F16 the rest the same.

So whats the max rpms she'll pull 6500K or is that the most useable power you have? what did Colt spec the cam at thought it was 3-7k?
Speaking of fuel pressure should be running about 4-4.5lbft pressure maybe try 3.5 with current setup, also whats the fuel pump you got? it's flow thats more important 35-40 gallons an hour pump should be okay
 

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DCOE45Z
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Discussion Starter · #14 ·
why do u have question marks for the 130's...those are the little jets on the end of the F16's...i'll let ray know i should be using 150-160's then.

ok aux venturi was 4.5 originally but Ray had a brand new set still in bag that we are currently using 4.0. I'll see to it that those are swapped back to the 4.5's.

I ordered chokes & a choke cable from Pierce Manifolds...40mm's and they're aftermarket NOT the origianl weber ones you said not to use if possible. Should be in by Friday.

Cam is good from 3500-7500rpms...the power is still good up to 7000. I don't want to take it past that till i get the timing/valve clearance issues sorted out.

Fuel pump is good, pressure doens't drop @ high revs and is same one funky uses...carter 5-9psi not sure how many litres/hour though.

It really pullls hard going into 2nd and even Shadypro was impressed going into 3rd @ 6500rpms!!! That guy is a stubborn goof too haha...the Sley's arch nemesis with his F/I poo :devil: :flipa:
 

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OILCOUNTRYMODERATOR
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haha who is this fuckin guy...Hey rich, trav mentioned that the pressure didn't drop however when the engine was 5000 plus it the gauge would start to shake and drop about .5 to 1 lb is that normal...just not to sure how the pressure is suppose to react...?

and yes i gave the overrated webers another chance yesterday when the fuel was set at 3.5 and it really wanted to go in 3rd gear more then 1 and 2...i wanna go for another rip with the gas up...

Trav has started to make me anxious so i decided to go get an intake mani gasket and just through a smaller intake mani on and rip it around until i can get it into the tech in a few weeks...we'll see how it runs and how much oil i go through hah
 

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chokes

Whats the camshaft specs again?
I would stick to Jet size of around 140-145 maybe get a set of 150-155 yourself and try it after he's tuned it up again, won't do any hard swapping them yourself after it will either make you go faster or just make you use more gas!!
Whats the Air corrector size it's the other end of Emulsion tube that gets hidden by the screw caps that push onto the emulsion tubes. Smaller makes you go richer bigger leaner.
Yes the gauge will drop but thats dropping alot i'd say the pump's not man enough try adjusting it so that it's 4.5psi and see if that helps, other than that try a Facet Red top competition it barely moves when thrashing the life out of it!!
It won't do any harm just don't go over 5 4-4.5psi should be fine for the setup at the moment. If it's still dropping a lot at high rpm's new pump time.
 

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130 main jets sound right for the 36mm chokes, but i would go up to 140-145 ish once you put in the new 40mm chokes. The 50 - f10 idle jets sound too small though??
Great to hear that it's runing good now. Did you ever get a compression check??
 

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DCOE45Z
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Discussion Starter · #18 ·
rich...the cam specs are as follows:

STAGE 2 - PRIM INT 280° .392 LIFT
SEC INT 268° .383 LIFT
EX 288° .394 LIFT
Carb. only. Strong mid range. No mods are required
Power band is 3500 - 7500 R.P.M.

I was coming home from the bar last night and got a little cocky in 3rd gear...planted it right to about 7300rpms and yeeeee-hawww it still was climbing. I just love seeing the tach wind right up till theres no more room left to go!

Let me ask you this rich...i know im gonna lose some bottom end power when putting the bigger chokes in but does your car give you a good jolt in your seat?



Funky...idle jets are the 50F10's??? If this is the case then that would explain why the bastard idles around 400rpms!!!! I do quite like it though, sounds like a beast, quite chunky actually.

What are you & Rich using for spark plugs? I recon i might have a slight ignition hamper cuz the plugs in there are shit (From ROd last year). I want to get as much OEM Honda shit as possible too...rad cap, T-stat, Wires, etc. I just remember DHD saying how important it was not to use the aftermarket Canadian TIre crap.
 

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I love how may car idles too, definately does not sound like a 4 banger!
I am using resistorless Bosch spark plugs. They kick ass, i will get you the part # when i get home from work. I ordered them special from Auto Value, they are 8$ each and well worth it, I even got increased fule milage with them in!!
 

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DCOE45Z
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Discussion Starter · #20 ·
ok guys...i turned the fuel pressure back down to 3 and now the bitch seems to be running a little more ummmmm practical. It revs to 7.5 like nothing through first & second but really struggles on the hiway in 4th & 5th.

What should be SAFE cruzing speed on the hiway...i was @ about 5200rpms doing around 130km's/hour....didn't feel right. :eek:mg:

Ryan, id really appreciate that part #, now that the fuel pressure is down low the car is idling back at 1000 :turn: Though i did like the chunky rough idle @ 400....damn can't wait for those chokes!!!!
 
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