Is the needle adjustable if it comes not on zero?

It's not adjustable as there's no way to remove the casing without damaging the gauge. The only way I know of to sort of "zero" it out is to get a Lightning (the '99-'04 ones, not the new ones that catch on fire on dealership lots) and run 100 shots of NOS on top of that Eaton twin screw SC! That should "zero it out" LOL

This is the right tool for carburator balancing (equalization)?

https://www.revzilla.com/product/motion-pro-syncpro-carb-tuner?gclid=Cj0KCQjwm9vPBRCQARIsABAIQYcBIUHVlDOiUsPwAVH8Bc2y026Vic6t1DMvPHTE-gGq-siL7UhyC34aAkZbEALw_wcB

Will this work on a2012 Chevy Equinox? Just screws into one cylinder at a time?

Its a vacuum pressure gauge. Not a cylinder pressure gauge.

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OTC 5613 Vacuum/Pressure Gauge Kit

Product ID: 3831878

Details

Brand
OTC
Material
Chrome
Item dimensions L x W x H
10.25 x 9.1 x
Item Weight
1.07 Grams
UPC
731413418563

🔒Rugged protective hard case

⏱️Dual vacuum & pressure readings

🛠️Complete adapter set included

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€ 105.85

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Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Brand
OTC
Material
Chrome
Item dimensions L x W x H
10.25 x 9.1 x

Description

🛠️ Diagnose Like a Pro, Fix Like a Boss!

EFFORTLESS HANDS FREE OPERATION - Built-in rear hook lets you hang the gauge at eye level for seamless workflow.
ALL IN ONE KIT FOR EVERY APPLICATION - Includes adapters for most vehicles, making it the ultimate tool for quick, reliable troubleshooting.
MULTI SCALE GAUGE FOR VERSATILE READINGS - Four measurement scales (in. Hg, cm Hg, psi, kPa) cover all your diagnostic needs.
PRECISION DIAGNOSTICS AT YOUR FINGERTIPS - Accurately tests vacuum lines & low-pressure fuel systems for flawless engine insights.
BUILT TOUGH FOR THE PROFESSIONAL TECHNICIAN - Chrome bezel with rugged boot and a sturdy blow-molded case ensures durability on the job.

The OTC 5613 Vacuum/Pressure Gauge Kit is a professional-grade diagnostic tool designed to test vacuum lines and low-pressure fuel systems with precision. Featuring a large, multi-scale gauge and a rugged protective case, it includes adapters for most applications and a convenient rear hook for hands-free use. Trusted by technicians for quick, accurate engine diagnostics, this kit combines durability, versatility, and ease of use to elevate your automotive troubleshooting game.

Specifications

ASIN	B0050SG9KW
Best Sellers Rank	#34,564 in Automotive ( See Top 100 in Automotive ) #19 in Fuel Pressure Testers
Brand	OTC
Brand Name	OTC
Customer Reviews	4.7 out of 5 stars 1,713 Reviews
Global Trade Identification Number	00731413418563
Included Components	Item
Item Dimensions	10.25 x 9.1 x 4 inches
Item Weight	1.07 Grams
Item dimensions L x W x H	10.25 x 9.1 x 4 inches
Manufacturer	OTC
Material	Chrome
Material Type	Chrome
Model	5613
Number of Items	1
Part Number	5613
Thread Style	Npt
Thread Type	Npt
UPC	731413418563
Unit Count	1.0 Count
Warranty Description	Limited lifetime warranty

Reviews

B**S

1.04.2026

H**1

13.09.2025

J**R

21.04.2025

E**N

21.04.2025

K**R

1.04.2012

J**S

12.03.2026

L**N

10.04.2026

C**O

10.04.2026

U**S

31.07.2024

P**S

4.09.2020

S**D

5.06.2015

Q**D

24.07.2024

V**K

22.09.2021

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