zz383 intake manifold
Thread Starter
Drifting
Joined: Sep 2004
Posts: 1,665
Likes: 60
From: Buffalo New York
zz383 intake manifold
I have a GM zz 383 425hp crate motor in my 66. Vortec heads. Patriot headers and sidepipes. When I installed the engine I put an Edelbrock Performer Intake on it to get under the small block hood. It fit OK. Now the car is coming out of the paint shop and I have installed an aftermarket 66 big block hood. I now want to step the intake up to an Edelbrock RPM Air Gap. Do you think this manifold will be the right way to go? Thanks in advance.
Dennis
Dennis
Drifting
Joined: Jul 2002
Posts: 1,820
Likes: 283
From: Puyallup WA
The RPM Air Gap is a phenomenal manifold and will be perfect for your application. I have a Performer RPM on my ZZ383 and it is the exact same height as a Performer RPM Air Gap. The only difference between the two is the plenum divider and the air gap. I wanted to maintain a stock appearance and that's why I didn't want the Air Gap. After a little work, I was able to fit it all under the stock small block hood of my '67.
If you have seen the DynoJet numbers on my combination you know that it works quite well.
Steve
If you have seen the DynoJet numbers on my combination you know that it works quite well.
Steve
Advanced
Joined: Aug 2004
Posts: 62
Likes: 5
From: Orlando, Florida
Originally Posted by Dennis Beck
Well thats' good news! Thanks for taking the time to answer.
Dennis
Dennis
I've got a ZZ383 with Fast Burn Heads, an Edelbrock Air Gap Part 7516. It's got a Holley 700 CFM double pumper and 3 inch tall air cleaner sitting on top and it clears the 66 big block hood. But as always check clearance before slamming the hood.
Cheers,
Ed
Team Owner
Joined: Apr 1999
Posts: 21,953
Likes: 1,445
From: Reno Nevada
2024 C3 of the Year Finalist- Modified
Steve - IMO
Edelbrock! Very poor excuses for even getting close to port matching the heads. I was very impressed with the Weiand Stealth.
Everything about edelbrock
- without lots of man hours in port matching work or in the case of single planes and installing turtles the fuel distribution is pathetic.
Edelbrock! Very poor excuses for even getting close to port matching the heads. I was very impressed with the Weiand Stealth.Everything about edelbrock
- without lots of man hours in port matching work or in the case of single planes and installing turtles the fuel distribution is pathetic.
Drifting
Joined: Jul 2002
Posts: 1,820
Likes: 283
From: Puyallup WA
Originally Posted by gkull
Steve - IMO Edelbrock! Very poor excuses for even getting close to port matching the heads. I was very impressed with the Weiand Stealth.
Everything about edelbrock - without lots of man hours in port matching work or in the case of single planes and installing turtles the fuel distribution is pathetic.
Edelbrock! Very poor excuses for even getting close to port matching the heads. I was very impressed with the Weiand Stealth.Everything about edelbrock
- without lots of man hours in port matching work or in the case of single planes and installing turtles the fuel distribution is pathetic.Steve
Burning Brakes
Joined: Jan 2006
Posts: 1,096
Likes: 0
From: Horsetown USA (Norco) Kaleeforkneeah
Maybe a little off topic, but how do you all like your 425 horse 383's? I was thinking about getting one next year.
Anyone run em down the 1/4 mile? I have a 65 with a TKO 5 speed and 4:11 rear. Think it would run 12's easily with that engine?
Anyone run em down the 1/4 mile? I have a 65 with a TKO 5 speed and 4:11 rear. Think it would run 12's easily with that engine?
Drifting
Joined: Jul 2002
Posts: 1,820
Likes: 283
From: Puyallup WA
Originally Posted by Johns_65Vette
Maybe a little off topic, but how do you all like your 425 horse 383's? I was thinking about getting one next year.
Anyone run em down the 1/4 mile? I have a 65 with a TKO 5 speed and 4:11 rear. Think it would run 12's easily with that engine?
Anyone run em down the 1/4 mile? I have a 65 with a TKO 5 speed and 4:11 rear. Think it would run 12's easily with that engine?
Steve
Corvette Stories
The Best of Corvette for Corvette Enthusiasts
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
Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)
Joe Kucinski
Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!
Verdad Gallardo
Top 10 Corvettes Coming to Mecum Indy 2026!
Brett Foote
Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!
Michael S. Palmer
10 Revolutionary 'Corvette Firsts' Most People Don't Know
Joe Kucinski
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2
Michael S. Palmer
Burning Brakes
Joined: Jan 2006
Posts: 1,096
Likes: 0
From: Horsetown USA (Norco) Kaleeforkneeah
Originally Posted by 632C2
Here is a thread that should answer your questions:http://forums.corvetteforum.com/show....php?t=1404633
Steve
Steve
Thanks for sharing all your hard work/info with us.
Guess I better start saving my pennies
I was thinking about buying the ZZ383 short block and running the AFR heads. Not really sure yet. Might just run the full ZZ383 engine from GMPP. I'll have to do a cost analysis to see if it would be worth buying the short block, and adding AFR's or just buying the full 425 horse version, with the GM heads.I'll be running sidepipes and headers with mine though. Not sure how well sidepipes flow. Guess I'll find out.
I know this point is probably mute, but what kind of fuel mileage are you getting out of this combo?
Drifting
Joined: Jul 2002
Posts: 1,820
Likes: 283
From: Puyallup WA
Originally Posted by Johns_65Vette
Thanks Steve, that was an awesome read Thanks for sharing all your hard work/info with us.
Guess I better start saving my pennies I was thinking about buying the ZZ383 short block and running the AFR heads. Not really sure yet. Might just run the full ZZ383 engine from GMPP. I'll have to do a cost analysis to see if it would be worth buying the short block, and adding AFR's or just buying the full 425 horse version, with the GM heads.
I'll be running sidepipes and headers with mine though. Not sure how well sidepipes flow. Guess I'll find out.
I know this point is probably mute, but what kind of fuel mileage are you getting out of this combo?
Thanks for sharing all your hard work/info with us. Guess I better start saving my pennies
I was thinking about buying the ZZ383 short block and running the AFR heads. Not really sure yet. Might just run the full ZZ383 engine from GMPP. I'll have to do a cost analysis to see if it would be worth buying the short block, and adding AFR's or just buying the full 425 horse version, with the GM heads.I'll be running sidepipes and headers with mine though. Not sure how well sidepipes flow. Guess I'll find out.
I know this point is probably mute, but what kind of fuel mileage are you getting out of this combo?
Steve
