Vortec Heads or Not
Melting Slicks
Joined: Sep 2002
Posts: 2,783
Likes: 2
From: Engineers do it better.
I am thinking of Vortec heads as well. Do they work with Hooker headers? Anyone using those?
Also, what cam works best for those heads? Lift/Duration? I have stock L48 bottom end.
Also, what cam works best for those heads? Lift/Duration? I have stock L48 bottom end.
Drifting
Joined: Apr 2005
Posts: 1,743
Likes: 0
From: Hawaii
Originally Posted by Jims79
Hi, I'm building a 350 for my 79 and want to get around 350hp out of the motor.
My question is should I go w/Vortec heads or not. Any thoughts on the subject.
Thanks
My question is should I go w/Vortec heads or not. Any thoughts on the subject.
Thanks
Team Owner
Joined: Sep 2003
Posts: 88,393
Likes: 2
From: eville in
Originally Posted by Gage
I have vortecs in my 97 Z-71 truck and they ping like crazy if I go below 89 octane. Thinking of putting them on my 87 IROC because you can find them in junkyards for cheap.
that doesn't sound right,,knock senser out
Racer
Joined: Nov 2002
Posts: 359
Likes: 0
Originally Posted by desi
I am thinking of Vortec heads as well. Do they work with Hooker headers? Anyone using those?
Also, what cam works best for those heads? Lift/Duration? I have stock L48 bottom end.
Also, what cam works best for those heads? Lift/Duration? I have stock L48 bottom end.
Instructor
Joined: Jan 2005
Posts: 174
Likes: 0
From: Tampa Bay Florida
Originally Posted by Gage
I have vortecs in my 97 Z-71 truck and they ping like crazy if I go below 89 octane. Thinking of putting them on my 87 IROC because you can find them in junkyards for cheap.
Team Owner
Joined: Sep 2003
Posts: 88,393
Likes: 2
From: eville in
Originally Posted by Russ Bellinis
Exhaust ports are the same as other sbc motors, the change is to the intake side. Since sbc's breath better on the exhaust side than the intake, they make a big improvement.
Corvette Stories
The Best of Corvette for Corvette Enthusiasts
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer
Brett Foote
10 Things Every Corvette Owner Needs (2026 Edition)
Michael S. Palmer
8 Most "Only Corvette Owners Understand" Quirks and Problems
Pouria Savadkouei
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years
Joe Kucinski
How Much Horsepower Every Corvette Engine "LOST" in 1972
Joe Kucinski
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!
Michael S. Palmer
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!
Joe Kucinski
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter
Joe Kucinski
8 Coolest Corvette Pace Cars (and Replicas) of All Time
Verdad Gallardo
Race Director
Joined: Jun 2000
Posts: 10,046
Likes: 675
From: FL
Originally Posted by cannonfl
Mine are in a 2002 Avalanche running 87 octane all the time - no pings at all. I do toss in 10 oz of Marvel Mystery Oil into a full tank of gas once a month. Maybe that helps.
Instructor
Joined: Jan 2005
Posts: 174
Likes: 0
From: Tampa Bay Florida
Originally Posted by SteveG75
Different motor. Avalanches have a version of the Gen III (LS) motor. Chevy just calls it a Vortec. The Vortec heads being discussed are those that bolt onto a Gen I SBC. Totally different beast.
Learn something new everyday ... Especially here.