Carburetors Carb discussion and questions. Upgrading your Third Gen's carburetor, swapping TBI to carburetor, or TPI to carburetor? Need LG4 or H.O. info? Post it here.

Intake Heights

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Old Jan 4, 2020 | 12:30 PM
  #1  
HawkZ28's Avatar
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From: Lincoln, NE
Car: 86 Z28
Engine: Built 312
Transmission: T5
Axle/Gears: 10 bolt 3.42
Intake Heights

As I've been researching a new manifold for my Edelbrock to quadrajet conversion, my big concern has been intake height since my current Stealth manifold (LOVE) is squarebore and will be retired with the AVS carb on top of it. I found some info that may be helpful for other members searching for a new intake while keeping their stock, flat hood. I don't know the accuracy of the numbers but they help as a point of reference for comparing one intake to the next and identifying potential hood clearance issues in advance. Please feel free to add to or correct the list I stumbled upon.

FWIW, my current setup lightly contacts the hood and doesn't secure the air cleaner to the carb very well. Stealth intake, 625 AVS with 1/2" plastic collar for the L69 to clear the carb. Also places L69 inlets pretty much inline with my STB.


Chevy Small Block...



Edelbrock
............C-26 Dual Quad........#5425...2.95...3.30
............Performer.............#2101...3.50...4.60
............Performer EGR.........#3701...3.50...4.60
............Performer RPM.........#7101...4.00...5.30
............Performer RPM Air Gap #7501...4.20...5.25
............Origional Torker......#5416...3.55...4.45
............Torker II.............#5001...3.53...4.63

Weiand
............Action Plus EGR.......#8000...3.75...4.63
............Action Plus...........#8004...3.50...4.00
............Action Plus...........#8024...3.50...4.00
............Team G Street Ram EGR.#7525...3.50...4.50
............Team G Power Ram......#7530...3.63...4.56
............Team G Track Ram......#7532...4.38...5.31
............Team G Track Ram......#7531...5.63...6.56
............Stealth...............#8016...4.18...4.50
............Xcellerator...........#7546...4.38...5.31
............Xcellerator...........#7547...3.09...4.06
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Old Jan 4, 2020 | 12:43 PM
  #2  
HawkZ28's Avatar
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From: Lincoln, NE
Car: 86 Z28
Engine: Built 312
Transmission: T5
Axle/Gears: 10 bolt 3.42
Re: Intake Heights

More info from this thread here.....thanks to @F-BIRD'88

Manifold height Specs
front rear
edelbrock C3BX 3.62 4.187
edelbrock torker #5416 3.55 4.45
edelbrock torkerII#5001 3.53 4.63
edelbrock scorpion #2955 3.63 4.45
edelbrock performer#2101 3.50 4.60
edelbrock perf rpm#7101 4.00 5.30
edelbrock rpm airgap#7501 4.20 5.25f
" " " " vortec#7116 4.00 5.30
edelbrock vic jr 4.58 3dcarb angle
edelbrock vic jr 3.9375 5.1875
edelbrock supervic vortec#2913 5.63 0dcarb angle

weiand a-plus#8004 3.50 4.00
weiand stealth#8016 4.18 4.50 3.5F 4.875R 4.19 measured
weiand X-celerator#7546 4.38 5.31
weiand X-celerator#7547 3.09 4.06
weiand t-Gpower ram#7530 3.63 4.56
weiand Street Ram #7525 egr 3.50 4.50 single plane univ carb

holley dominator dualplane
#300-36 4.44 5.33fs

https://www.thirdgen.org/forums/carb...eed-demon.html
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Old Jan 4, 2020 | 05:10 PM
  #3  
NoEmissions84TA's Avatar
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Joined: Feb 2017
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From: Meriden, CT 06451
Car: 84 TA orig. 305 LG4 "H" E4ME
Engine: 334 SBC - stroked 305 M4ME Q-Jet
Transmission: upgraded 700R4 3200 stall
Axle/Gears: 10bolt 4.10 Posi w Lakewood TA Bars
Re: Intake Heights

Here is what I have stored:














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Old Jan 4, 2020 | 05:56 PM
  #4  
HawkZ28's Avatar
Thread Starter
Senior Member
15 Year Member
iTrader: (2)
 
Joined: Mar 2008
Posts: 557
Likes: 15
From: Lincoln, NE
Car: 86 Z28
Engine: Built 312
Transmission: T5
Axle/Gears: 10 bolt 3.42
Re: Intake Heights

NICE addition!
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