Rev matching is not enough for a smooth transition when down shifting. A true double clutch matches the input and output speeds of the transmission. The heel & toe technique gets the engine speed to match the trans. Do all three and you have lap time perfection. This is the most comprehensive explanation as to why. So many people don't get this right, so Ian and I try to explain. We even show the transmission internals and what spins and when. Ian also describes how the synchros work and how to take care of them while going fast.

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Below is a table of contents of past episodes 1-35. Click the link below for the rest
www.ahhgaragetime.com/TOC

Intro
Stripped Shell Introduction
   • Porsche 911 Longhood Conversion Proje...  

1
Drivers Fender Backdate, Unfold short hood edge, Make Signal Box Parts From Flat Sheet
   • Backdating My Porsche 911,  Front Fen...  

2
Drivers Fender Signal Box, Shape Bottom Portion w/ Bead Roller
   • Porsche 911 Metal Fabrication w/ Bead...  

3
Drivers Fender Side Patch Panel Hammerform, TIG Weld Signal Housing
   • CNC Machined Hammerform for Metalshap...  

4
Drivers Fender TIG Weld Side Patch Panel, Add signal housing triangle piece
   • TIG Welding Sheetmetal Patch Panel fo...  

5
Passenger Side Fender Backdate, Additional Content From Driver's Side
   • Modify Your Short Hood Fenders To Lon...  

6
Shorthood to Longhood Conversion, Form Outer Skin Edges And Weld On
   • Project Porsche 911, Longhood Backdat...  

7
E Wheel and Form Longhood Inner Skin w/ Handormed Strength Rib
   • English Wheel Metalshaping - Longhood...  

8
TIG Weld Outer and Inner Longhood Extension
   • Porsche 911 Restoration Project - Hoo...  

9
Longhood Front Seal Custom Bracket
   • Porsche 911 Carrera RS Clone Build - ...  

10
Rear Backdate, Remove Rear Impact Bumper and Valence
   • Porsche 911 RS Tribute Build - Backda...  

11
Lead Rear Valence Corners, Rear Latch Panel Backdate
   • Porsche 911 Outlaw Build - Autobody L...  

12
Hybrid Steel License Plate panel & Fiberglass Rear Bumper, Custom Panel Brackets
   • Porsche 911 Build - Hybrid Rear Bumpe...  

13
Custom Aluminum Rear Bumperettes, Solidworks Design, Cut on CNC machine, Rear Flare Trial Fit
   • Old Porsche 911 Resto - Custom CNC Re...  

14
Form and TIG Weld Custom Rear Aluminum Bumperettes, Rear Bumper Complete
   • Old Porsche 911 Resto - Custom CNC Re...  

15
SC to RS Flare Comparison, Photoshop & Sheetmetal Conversion to RS
   • How to Spot a SC Fender Flare versus ...  

16
Tack Weld Passenger Side RS Rear Flare, Remove Undercoat, Align Flare
   • How to Butt Weld a Steel RS Flare - P...  

17
Weld Passenger Side Flare, TIG VS MIG, Planishing, Weld Distortion, TIG Arc shots
   • Porsche 911 Build - Welded Flare! TIG...  

18
Align Body Panels, Hood gaps, Adjust tub with dumbell, Repair Rocker, gap tool, Windshield fit check
   • How to Align Body Panel Gaps - 45 Yea...  

19
Fill 20+ Holes, Mirror, Washer Jets, Rockers, Gas Filler, Antenna,
   • How to Fill Holes in Your Car - Corre...  

20
Remove Rear Window without cutting seal, Kick Method
   • How to Remove Porsche 911 Rear Window...  

21
Remove Decklid Bumps and adjust Gaps & Fit, Add Weld material to edge
   • Porsche 911 Decklid Panel Gaps & Cust...  

22
Weld Pssgr Fender Support Panel, Lead Hood to Fender Gap, Weld Fender Edge to Reduce Gap
   • Perfect 3mm Door Gaps On This Porsche...  

23
Build quality, Improve Panel Fit, Lead Passenger Door Gap, Lead Rocker to fender gap, Drivers Door
   • Who Doesn't Want High Build Quality? ...  

24
Drivers Door Alignment, Fill Rust Pits with TIG, Lead Drivers Door Gap, Adjust Front Fender Signal Fit,
   • Panel Alignment Nightmare Complete on...  

25
Discovered Rust in Suspension Pan, Spot Weld Drilling, Tram Guage Mounting Points, cut out pan
   • Rust Repair is HARD on the Soul...Por...  

26
Suspension Pan Repair, remove suspension, Cut Latch Panel for Oil Cooler, Check Squareness
   • Suspension Pan Replacement - Porsche ...  

27
Align and Weld Suspension Pan, Spirit Level to remove twist, Kettle Bell Hits to Tweak Position, Rosette Welds
   • 911 Suspension Pan Welding 👍Align The...  

28
Re-Align Hood/Tub after Suspension Pan Install, Repair rust on gas tank panel,
   • 911 Gas Tank Panel Replacement & Hood...  

29
Gas Tank Support Welded In, De-rusted with Electrolysis Bath, Reshaped pan edge, Final welding
   • How to Simulate Factory Spot Welds wi...  

30
Simulate Factory Spot Welds, Rosette Plug Welds, Pencil eraser on primer
   • How to Simulate Factory Spot Welds wi...  

31
Convert Drivers Side Flare to RS Profile and Repair Rust Damage
   • Porsche Restomod - RS Steel Fender Fl...  

32
TIG Weld Drivers Side Flare, Remove Failed Undercoating in Wheel Well, Planish and Metal Finishing
   • 911 Restomod | This is So Satisfying....  

33
Strip Paint from Car and Prep for Epoxy Primer, Strip it disc and paint stripper
   • How to Beat the Ugly Off Your Car | P...  

34
Epoxy Prime, Project Review and Cost Reveal
   • My Cheap Porsche Gets Some Grey Love ...  

35
Rear Coilover Gussetts & X-member strengthening plates, Golf Ball Dimple Dies For Speed Holes,
   • How To Make Your Porsche Chassis Stro...  

~-~~-~~~-~~-~
Please watch: "Automotive Suspension Part 3D Scan with Revopoint Range Scanner"
   • Get A Perfect 3D Scan Of Your Porsche...  
~-~~-~~~-~~-~