Yep then thats the problem no one knows the exact timings , also as the adjusters have no markings you can not be sure that your spot on with it
I think Rich mentioned something about sending them back to be marked
Yep then thats the problem no one knows the exact timings , also as the adjusters have no markings you can not be sure that your spot on with it
I think Rich mentioned something about sending them back to be marked
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They have been back. Now clearly marked (all four). Maybe Zentac will let us know what setting he is running.
Section 11a in the Jap 6a13tt manual has info about cam settings I think
Ok I know its an old thread but does anyone remember how they got on with the timing marks? Im trying to find some adjustable cam gears and this thread is the closest thing I can find.
Daily driver / circuit car / drag car / show car / weekend cruiser / project car
Got one made by them:
http://works-engineering.com/?product=3-cam-pulley
The only issue was wrongly marked timing mark on front exhaust gear, see thread (post #45):
http://www.clubvr4.com/forum/showthr...of-drama/page3
Otherwise good quality, but need to be checked before fitting.
Ex: Galant VR4
Running 268 HP ATW and 443 Nm torque at 0.9 bar
Now: Lancer Evolution 8 FQ-300
Running 325 HP ATW and 510 Nm torque at 1.6 bar
yes we sent them back and got then marked up have a chat with http://www.cdfracing.co.uk/ Im sure they can make some more, may need originals to copy again.
Richard Batty
2.5ltr V6 Turbo FTO
If you used the rear exhaust gear on the front would that solve the problem of the mark in the wrong position? Sorry if that sounds daft, I dont know much about cam gears! I imagine the adjustment marks are fine wherever they are too?
Thanks, hopefully they still have all the data on file somewhere which would make things a lot easier!
Aaron, this couldn't be done. Front exhaust gear has rotor blade for cam position sensor.
By default, adjustment marks are also major timing one, i.e. 0 degree = stock timing mark, hence any misalign may be dangerous.
In that case timing was affected like a hell, approx. 25 degree.
Ah ok I see. Once you have made the new timing mark like you did in the other thread, can you use the other marks for making adjustments only and will they remain accurate?
Yes, it was only one gear pulley affected by wrongly put marks. Fortunately, overlap adjustment marks can be located anywhere, so I did another major mark as in mentioned thread which solved all problems.
Just trying to say, do not trust seller and always check all marks alignment with stock gears before fit.
Other than that, cam gears were really well made
Ive had a reply email from cfdracing:
"Hi Aaron
We can make them, but I am not sure if we still have the drawings. I will
check
Regards Chris
CDF Racing Ltd"
Looks like I'll have to wait and see if they find the drawings if I am to get them from there.
would be interested in finding cost of these Aaron!
Not wanting to sound like a dick here, but why cant you just get the stock pulleys slotted and graduated (marked)? Problem is then solved
Interested in getting light weight cam gears too, Is there going to be a groupe buy ? If so put me down
Absolutely is! We do it on the FS cars that are using a Yamaha R6 engine. The regs require a 20mm restrictor so we change the inlet cam profiles and dial out a load of overlap. Rather than having new pulleys (sprockets in this case) made we just have them slotted where the locating pin is and then marked up. We had them done by a cam manufacturer, and I am actually in the process of getting a set of VR4 ones with the same.
So, they'd be locked with the just stock center bolt?