Hi,
After reading this fourm and other sources I figured out my carb is actually a automotive one installed by a previous owner.
I know from reading several other posts that this is not safe, and I was having stumbling issues anyhow, so I ordered a proper 4 Barrel Rochester from National to replace the Holly "Street Avenger" doubble pumper that was on my 5.0 Cobra.
The ordered and recieved the marine CARB is the first on the below page:
http://www.nationalcarburetors.com/marinecarburetorsforless/fourbarrelrochester.aspx
Also after some reasearch I also believe the engine was way over carbbed with the high CFM street Holley.
So I go about mounting the new carb changing lines to make the doubble line single etc... then I go to connect the throttle linkage...
The black connector now doesn't reach the linkage + even if it did the acceleration movement from the linkage is towards the bow but the acceleration movement on the carb is to the stern. So basically the movement are exact opposite compared to how they need to be.
I figure the holly was "jerry rigged" to work by the installer and the new unit doesn't have the corrrect "lever/bracket/linkage" to work. There is a big hole up top that requires opposite movement (& My black throttle connector doesn't come close to reaching) and the 2 small holes on the bottom to the linkage dont line up and don't look like they should be used to connect to, even if the black throttle connecter could reach & line up to connect to them.
Can I buy the correct linkage (looks like a screw attachment) and throttle cable bracket (perhaps the correct linkage would eliminate the need for a new bracket - I don't know as I haven't seen an original factory set-up) Or Am I stuck with trying to get a new carb? I don't like this idea as it cost me just about $500 canadian for the one I have with tax, currency conversion and shipping added.
In an original set-up does the throttle cable bracket bolt to the engine intake manifold or the 2 back carb bolt holes? It seems I will need to move up a new bracket to reach & connect once I get the correct linkage.
I have other posts running and I promise to follow up on once I get results - but for now all I have is problems and few resolutions.
Thanks,
Diobe
After reading this fourm and other sources I figured out my carb is actually a automotive one installed by a previous owner.
I know from reading several other posts that this is not safe, and I was having stumbling issues anyhow, so I ordered a proper 4 Barrel Rochester from National to replace the Holly "Street Avenger" doubble pumper that was on my 5.0 Cobra.
The ordered and recieved the marine CARB is the first on the below page:
http://www.nationalcarburetors.com/marinecarburetorsforless/fourbarrelrochester.aspx
Also after some reasearch I also believe the engine was way over carbbed with the high CFM street Holley.
So I go about mounting the new carb changing lines to make the doubble line single etc... then I go to connect the throttle linkage...
The black connector now doesn't reach the linkage + even if it did the acceleration movement from the linkage is towards the bow but the acceleration movement on the carb is to the stern. So basically the movement are exact opposite compared to how they need to be.
I figure the holly was "jerry rigged" to work by the installer and the new unit doesn't have the corrrect "lever/bracket/linkage" to work. There is a big hole up top that requires opposite movement (& My black throttle connector doesn't come close to reaching) and the 2 small holes on the bottom to the linkage dont line up and don't look like they should be used to connect to, even if the black throttle connecter could reach & line up to connect to them.
Can I buy the correct linkage (looks like a screw attachment) and throttle cable bracket (perhaps the correct linkage would eliminate the need for a new bracket - I don't know as I haven't seen an original factory set-up) Or Am I stuck with trying to get a new carb? I don't like this idea as it cost me just about $500 canadian for the one I have with tax, currency conversion and shipping added.
In an original set-up does the throttle cable bracket bolt to the engine intake manifold or the 2 back carb bolt holes? It seems I will need to move up a new bracket to reach & connect once I get the correct linkage.
I have other posts running and I promise to follow up on once I get results - but for now all I have is problems and few resolutions.
Thanks,
Diobe
