4.3 with vortec heads

[SHELBY3]

just got my engine back together , install vortec heads and new intake , will there be any issues with carb as far as running lean ? its a 95 vintage with thunderbolt ignition, also how to time whens theres only one line on dampener ? thanks tim

 

[Bondo]

Re: 4.3 with vortec heads

will there be any issues with carb as far as running lean ?

Ayuh,.... What Carb,..?? It'll be Close,+ Should only need abit of Tuning...

You're not really moving More air,... Just More Efficiently...

its a 95 vintage with thunderbolt ignition, also how to time whens theres only one line on dampener ?

There's usually only 1 mark on the Crank pulley...
There should be a timing Scale on the timing cover...

 

[180shabah]

Re: 4.3 with vortec heads

There will probably be some minor retuning, but the vac gauge and plug reading will tell all.

What carb is being used?

 

[SHELBY3]

Re: 4.3 with vortec heads

looks like a carter / edelbrock, ? nos 9600s, 8005

 

[slasmith1]

Re: 4.3 with vortec heads

weren't all the vortec's injected?

 

[180shabah]

Re: 4.3 with vortec heads

weren't all the vortec's injected?

Onlly on land.

In boats carbs are still available.

 

[DJ]

Re: 4.3 with vortec heads

You're not really moving More air,... Just More Efficiently...

...

Yup, 4.3 liters is still 4.3 liters.

 

[Bondo]

Re: 4.3 with vortec heads

looks like a carter / edelbrock, ? nos 9600s, 8005

Ayuh,...

That Sounds like the Merc./ Weber carb....

It's a carbon copy of the Edlebrock performer,+ the parts,+ pieces are a direct interchange....
A Street/ Strip kit for the Eldebrock will give you Great Tune-ability....