Search found 30 matches

by Caddy123
Sun May 12, 2019 5:54 am
Forum: Propane Forum
Topic: Twin impco afr idle problem /PROBLEM SOLVED
Replies: 1
Views: 1369

Re: Twin impco afr idle problem /PROBLEM SOLVED

I had the wrong pcv valve!
Gr Danny
by Caddy123
Sat May 11, 2019 5:07 pm
Forum: Propane Forum
Topic: Twin impco afr idle problem /PROBLEM SOLVED
Replies: 1
Views: 1369

Twin impco afr idle problem /PROBLEM SOLVED

Hello guys its a long time ago i was bussy. Now my engine runs great pulling like a fighter yet.. I have install a wideband afr meter set the base timing on 14 btdc . Set the impco 425 seperately 15.5 afr but if i open the 2 425 together the afr go to 12.5 ad idle, how is this posibble. Ps the afr f...
by Caddy123
Mon Feb 18, 2019 5:55 am
Forum: Propane Forum
Topic: UPDATE 2 Adjusting timing propane engine and impco 425 mixers
Replies: 42
Views: 6039

Re: UPDATE 2 Adjusting timing propane engine and impco 425 mixers

I will send a sound clip but doesnt work!
Can i send it to your email?
by Caddy123
Mon Feb 18, 2019 1:38 am
Forum: Propane Forum
Topic: UPDATE 2 Adjusting timing propane engine and impco 425 mixers
Replies: 42
Views: 6039

Re: UPDATE 2 Adjusting timing propane engine and impco 425 mixers

Storm the idle speed screw of the baseplate. I have run the engine with1 mixer adjust one by one with the idle mixtre screw. Runs rough even with one mixer!! Cold engine set the idle speed screw 1 turn more or the engine will not idle, if the engine is warm up the rpm rises i must set the idle speed...
by Caddy123
Sat Feb 09, 2019 2:59 pm
Forum: Propane Forum
Topic: UPDATE 2 Adjusting timing propane engine and impco 425 mixers
Replies: 42
Views: 6039

Re: UPDATE 2 Adjusting timing propane engine and impco 425 mixers

Hello i have closed the hole in the baseplate. Not any difference so i looked further. I have set the idle and timing with a vaccuum gauge and lissening good to the engingine. But with the timing light i has 25 degrees advanced, that is not good! And my vaccuum advance doesnt respond if i hook up! S...
by Caddy123
Sun Jan 13, 2019 3:22 am
Forum: Propane Forum
Topic: UPDATE 2 Adjusting timing propane engine and impco 425 mixers
Replies: 42
Views: 6039

Re: UPDATE!! Adjusting timing propane engine and impco 425 mixers

If this is the solution i send you a pic of a bottle of beer🤣
Break in the engine with my holley gasoline carb no problem and idle ok.
So the problem must be the hole i hope so, im tired after seeking for a month now🤔
by Caddy123
Sun Jan 13, 2019 1:47 am
Forum: Propane Forum
Topic: UPDATE 2 Adjusting timing propane engine and impco 425 mixers
Replies: 42
Views: 6039

Re: UPDATE!! Adjusting timing propane engine and impco 425 mixers

Storm i have this baseplate my gasket blocks all the passages and holes , the middle is still open!!! If this is the solutuion im very happy . Intake no leaks Hoses all new now leaks Brake booster tested not leak. Than the hole must be the case!!but where does it take the false air from? If my gaske...
by Caddy123
Sat Jan 12, 2019 3:34 pm
Forum: Propane Forum
Topic: UPDATE 2 Adjusting timing propane engine and impco 425 mixers
Replies: 42
Views: 6039

Re: UPDATE!! Adjusting timing propane engine and impco 425 mixers

I have check the 425 mixers also and the idle cirquit no holes in it. If i screw the idle mixer allen head (in) the engine stalls if i screw it out to the middle its ok if i screw the screws more out there is no difference rpm go not higher or lower how is that possible!! Im adjusting only idle now ...
by Caddy123
Sat Jan 12, 2019 1:18 am
Forum: Propane Forum
Topic: UPDATE 2 Adjusting timing propane engine and impco 425 mixers
Replies: 42
Views: 6039

Re:(UPDATE) Adjusting timing propane engine and impco 425 mixers

Everyone a happy and healthy new year.
I was a little bussy and has a little problems with the car.
I has a vaccuum leak at the intake gasket fix it now and my heather core leak, change it for a new one.
Now i can tune the engine .
To be continued .
Danny
by Caddy123
Wed Dec 12, 2018 1:20 am
Forum: Propane Forum
Topic: UPDATE 2 Adjusting timing propane engine and impco 425 mixers
Replies: 42
Views: 6039

Re: Adjusting timing propane engine and impco 425 mixers

Thanks for the input.
I turn the regulators and buy a good afr.
Gr Danny
by Caddy123
Tue Dec 11, 2018 9:19 am
Forum: Propane Forum
Topic: UPDATE 2 Adjusting timing propane engine and impco 425 mixers
Replies: 42
Views: 6039

Re: Adjusting timing propane engine and impco 425 mixers

Is this a good afr reader for my set up (i like the$)
From edelbrock only it measures with 0.5 v and not 0.1v.
there expencive.
https://www.amazon.com/Edelbrock-6593-F ... B00062YBES
by Caddy123
Sat Dec 08, 2018 2:32 pm
Forum: Propane Forum
Topic: UPDATE 2 Adjusting timing propane engine and impco 425 mixers
Replies: 42
Views: 6039

Re: Adjusting timing propane engine and impco 425 mixers

No i have a little vaccuum problem.
The mixer that not respond have a gasket leak.
My mate have welded the plenium but i have not check for straightness so i must take it appart and milling it.
Next week.
If its ready you hear.