My new carb's

G1C · Posted: Sat Oct 01, 2005 5:06 pm Post subject: My new carb's

Just got the replacement carb's for my webers and had a custom manifold made to suit which looks great, the carbs are from a YZR R1 motorbike.
I will be putting them on next week so should be interesting.

Chunk · Posted: Sat Oct 01, 2005 5:43 pm Post subject:

Very nice mate big grin

G1C · Posted: Sun Oct 02, 2005 9:16 am Post subject:

Has anyone else had a go with these?. They say they are better than the webers and dellortos and you wouldnt think it was the same car/engine when fitted.
I drilled the jets out to the new size also the carbs have to be run just over a 43degrees but they will pass any emmissions tests and give power all the way through rather than just above 4000rpm.

Suicide · Astra Legend Joined: 30 May 2005 Posts: 4790

You've been reading practical performance car haven't you

G1C · Posted: Sun Oct 02, 2005 9:40 pm Post subject:

When i took my car for a rolling road at dave bogg's he was showing me them on a caterham kit car and telling me the difference they make so that's when i bought a set bogg bro's also made my manifold for them.
We had a chat about making 4 into 1 inlet manifold to go onto the back of the carbs and over the engine top as so i can fit a turbo which he thinks he should be able to fabricate.
Gives me somthing to do over the winter.

squeak · Posted: Wed Oct 05, 2005 11:46 am Post subject:

what sort of price was it for all the r1 carbs. and to be put on to the inlet mate?? Very Happy

G1C · Posted: Wed Oct 05, 2005 7:31 pm Post subject:

The R1 carbs are cheap as chips mate i paid Ãƒâ€šÃ‚Â£50 for the carbs and Ãƒâ€šÃ‚Â£180 for the manifold plus a further Ãƒâ€šÃ‚Â£30 for jetting and cleaning, you will also need a fuel pump which is around Ãƒâ€šÃ‚Â£50 and thats it so Ãƒâ€šÃ‚Â£310 total.
Which is a hell of a lot cheaper than webers as the setup i am running at the moment was not far off a Ãƒâ€šÃ‚Â£1000 so you can see the saving side of them.
The bike carbs also are fine in the low revs where webers are hard work they are also better on fuel.
Better all round i would say, the thing i will miss is the sound of the webers.

Tricky · Posted: Fri Oct 07, 2005 11:47 pm Post subject:

Looks well does that, G! nod

Sorry I couldn't reply the other day, I got your text but had no credit Confused

Dimpas · Posted: Sat Oct 08, 2005 11:28 pm Post subject:

F@ck ! That;s Coool as ice !
Can you please tell me more info ?
Can i put these carbs to my 14NV engine ? What difference i shall expect?
Please do keep a log with everything you've done so far so to give us some help !How did you made the inlet manifold ? Any drawings availiable ? Specs?
I am really very curious and exited about that project you are on !
Prease when you put these on (what type of engine ??) do give us your impresions and maybe a dyno test !
Good luck mate !
Waiting ....

G1C · Posted: Sun Oct 09, 2005 4:52 pm Post subject:

Got the carbs fitted today but still a fair bit to do like moving the fuel pump down near the tank as it is not happy having to pull the fuel rather than push, throttle cable to sort but thats an easy one and mabey a choke cable to fit but will see what it starts like.

Tricky · Posted: Sun Oct 09, 2005 9:37 pm Post subject:

G1C · Posted: Sun Oct 09, 2005 10:12 pm Post subject:

Trev's not far wrong there, It's bored out to just short of a 2.1 with a full engine lighten and balence, piper 285 cam + vernier pulley,stage 3 ported and gasflowed head, mahle flat top pistons, arp head and conrod bolts, with twin 45 dcoe webers which gave 178bhp @ 6000rpm at the wheels.
As for the manifold for the R1 carbs i had it made by bogg bro's the reason i have gone for the R1 setup is because the webers are great for anything 3500rpm onwards and useless under like around town coughing and backfiring, ticking over at 800rpm and then up to 1500rpm when it likes, but i still love the webers the sound is awsome and so is the fuel use.
The R1 carbs work on three jets each for a different throttle stage so they are not banging loads of fuel in all the time like webers, dellorto's etc... so low revs and acceleration are as good as high revs.
I should have it in for a rolling road in the next couple of weeks so it's ready for the northen meet so will find the powergains then and put them up.
As for will they fit your car i think they should it all depends on what size you drill the main jet too I know of the being used on a swift which is a 1600cc.

Dimpas · Posted: Sun Oct 09, 2005 10:38 pm Post subject:

I am really waiting to see the results of your "Experiment" !
To tell you the truth i use my Kadett D (Astra Mk1) as a everyday car and fuel consumption is something that bothers me a lot !
I had the opertunity to buy a complete set of DCOE's (ready for my engine) but thinking of comsumption i changed my mind !
Here in Ahtens LRP costs 1.09 Euros a litre and i need about 10 littres for 100Kms in Town (Athens) .
One year ago it was 0.70 Euros a littre ! ! !
Now i have the DMTL carb in my 14NV but i didn't noticed any difference from the original Pierburg.
So I really need a set of carbs to give me good power and good mpg !
Dimitris
GR.

G1C · Posted: Sun Oct 09, 2005 10:46 pm Post subject:

You made a good choice not using the webers i was getting around 20mpg driving them steady which is hard to do so you can imagine what it's like when you hammer them.
As soon as i have it running i will let you know.

G1C · Posted: Sun Oct 16, 2005 5:59 pm Post subject:

Had the car running a few days now and what a difference the carbs have made, It is fine around town now at low revs and the throttle response is excellent you can bang your foot down at tickover and without hesitation it revs right round.
It is now like a totally different car to drive which is great still with the peformance of the webers and not the fuel cost's, Everyone who has seen them are a bit puzzled let me know what you think...