73-87chevytrucks.com
73-87 Chevy _ GMC Trucks => Engine/Drivetrain => Topic started by: Jeff86inMS on January 14, 2019, 02:51:28 PM
-
Hello all,
I have a 1986 C10 stepside custom deluxe that originally came with a 305 V8. I'm getting ready to swap it for a 350 Vortec V8 with Carb. My question is, will the exhaust manifolds from the 305 swap over to the 350 Vortec? I know the intake manifold is different. Need to know about the exhaust ones though. Thanks!
Jeff
-
Yes but why not run headers? Exhaust manifolds will choke that thing right out
-
I will probably run headers later on, but trying to just stick to the items I have to have to get it installed.
Sent from my iPhone using Tapatalk
-
Exhaust manifolds should oughta bolt right up.
-
Unless you need a manifold spreader tool.
I just had my 350 swapped out, and the mechanic showed me a tool to spread the the outer manifold ports away from the center ports.
Wish I had known about them the last time I changed the manifold gaskets, would have been a lot less &&%$#(!!!@#^%$#!!????!!
-
The only caution would be the dipstick location clearing the manifolds.
-
I had to use a manifold spreader tool to get one of the manifolds back on my new heads, so I actually read the directions. It worked very well. They recommended also using the tool before you remove the manifolds so that you can remove sideways pressure and get the bolts to come out without binding. The only local parts store that had the tool on hand was NAPA, but lots of places sold them online for $11-12.
Bruce
-
It's the little things...
-
It's the little things...
1 more thing to look into is the distributor gear. You might need a different gear with the roller cam.