MTFCA Forum

Ok problem appears to be fixed. After trying another standard timing gear although it helped it didnt fix the problem above idle. So back to doing more tests checking everything from plugs to compression to valve timing and ignition timing all again. Everything checking out to be right. Still same i...

Dennis Prince wrote: ↑

Wed Aug 18, 2021 9:04 pm

It sounds like it is taking in more air than it can efficiently get rid of, ie; back pressure, has the exhaust been modified? If not maybe it needs to be to get rid of the exhaust and therefor the back fire.

HI only extractor and open muffler.

Sorry should have stated backfire mainly exhaust but also carby at times. If i lean the carby out until it starts to die it still does it. Seems it doesnt matter rich or lean it still back fires. I have been thinking its the 7.5 degree timing gear. But others say it is ok. Wondering if its the combi...

Hi all looking for some help. I am working on a speedster in australia that has a backfire issue. It is running a stipe 280 camshaft with 7.5 degree advanced cam gear, frontenac head high compression piston and distributor. I have tried with both zenith carby and su carby. Its issue is it splutters ...

Bit the same here in australia. A 2 months ago i ordered a part from a business 3 hours drive from me. (i should have driven there to get it), it was posted express post via australia post. It took 7 days. At the same time i ordered parts from synders ship via fedex it only took 7 days to get here. ...

Done plenty both lhd and rhd.

Never a problem with steering column and firewall in place.

But being an aussie we always try to do things without removing stuff that doesnt have to be removed.

Ok my coup has high fire wall . It has the cowl vent and has timber door frames.

So making it a very late 23 or 24 model.

Ian

Thanks for the welcome. This is my first t been on the road for 5 years. Chassis and engine are australian delivered Just parts i gathered. being australian no chassis numbers,the body as i have said is from the usa which i imported. A bit about myself i live in a small town called stanthorpe queens...

I have done some more research being that i only imported the body i didnt get a title. I have been able to find what we think is the original engine number. If it is correct it makes mine a late 1923 coup. My engine number 7808119. As the coups didnt change from late 23 to late 25 that would put mi...

Hi i am in australia i have a 1925 coup the body i imported from the usa . I had all the mechanicals here. I have found out the body was built by briggs. My question is is there a way to find out who it was sold to when new. I have the body number that briggs put on it but no original engine number ...