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Start Line Lab Gilbert, Arizona
Fitting Services / Driver

Driver Fitting

No club magnifies a small face-angle error like the driver — the long shaft and high swing speed turn a degree of face misalignment into yards of miss downrange. A proper fitting here is usually the single biggest start-line gain you'll find in the bag.

What We Capture

Every Swing, Taped and Compared

We run impact tape on your current driver and every demo head we test, backed by a dual-camera rig that logs face angle, path, and dynamic loft at the exact moment of contact — not an estimate reconstructed from where the ball eventually landed.

From there we separate the variables: is your face closing late because of grip fit, or is the head's face progression working against your release pattern? Is a heavier shaft steadying your face angle, or just slowing you down without improving it? Every recommendation traces back to a specific reading from your session.

Driver Session Data Points
Face Angle at Impactdegrees
Swing Pathdegrees
Dynamic Loftdegrees
Grip Rotationdegrees
Face-to-Path Gapdegrees
Start-Line Deviationdegrees off target
The Variables

What Actually Moves Your Start Line

Grip Size & Style

An undersized grip lets the hands over-rotate through impact, closing the face late; an oversized grip can leave it hanging open. We check this before touching a single head.

Lie Angle

A driver that's too upright or too flat for your setup tilts the face open or closed at address and again at impact, independent of anything the shaft is doing.

Face Progression

How far the face sits forward of the hosel varies by head model and changes how "closed" or "open" a given face angle actually reads at address.

Shaft Weight & Flex

Shaft weight and flex profile shape release timing, which changes how much the face is still rotating — and in what direction — at the moment of contact.

Adjustable Hosel Setting

Most modern drivers ship with hosel adjustability that quietly opens or closes the face by a degree or more from its neutral setting — worth checking even on a club you already own.

Length

A shorter, better-controlled driver often produces a more repeatable face angle at impact than a longer one, even when the longer club shows more ball speed on paper.

Common Misses

What a Driver Fitting Can Fix

The Push-Slice

A ball that starts right of target and keeps curving further right is often a face that's open at impact relative to both your target and your path — a lie angle or grip fix can close a surprising amount of that gap before path ever changes.

The Snap Hook

A start line that's already left of target before it curves further left usually points to a face closing too fast relative to path, often tied to grip size or an over-rotated release.

Inconsistent Start Direction

If your start line varies wildly shot to shot even when strike location looks fine, an unstable face angle — not swing path — is usually the bigger contributor.

"Good Swing, Bad Result"

Sometimes the swing itself is repeatable and the equipment simply has the face sitting a couple degrees off neutral at address — a fix that has nothing to do with technique.

Find Your Start-Line Setup

Sessions run 60–75 minutes with your current driver plus demo heads across major manufacturers. You'll leave with a written data report and, if you choose, a build order.