Mileage Blog 52 Idle Jets CB Black Box

Basically when I say high Vacuum, it means that the Vacuum number is lower not high! In other words a High kpa number means less Vacuum a Low kpa number means high Vacuum!
For example... a value of 100 kpa or wide open Throttle means zero Vacuum, a value of 50 kpa or closed Throttle means a shit load of Vacuum!
Got it? no... Then read it again!🤣

I"M Converting my 76 Porsche 914 engine to fit my 68 bug. This is the same type 4 engine that's in a 70's bus! The only difference is that it has a heaver flywheel and cam that's design for a 2 ton bus! But other wise it's the same and will work just fine in your bug!

For sake of simplicity if you want a DTM type 4 kit then get one, I don't know how difficult it really is to install. Just remember, it's big $$$$!!! so I ended up going with a CSP kit at half price!

Links to all the parts I will be using plus the Joe Cali hand book and the DTM kit that I'm Not using! Just thought you might want it!

CB Black Box ignition System is Highly Recommended:
https://www.cbperformance.com/CB-s-Black-Box-Programmable-Timing-Control-Module-p/2013.htm

Joe Cali hand book:
https://vwparts.aircooled.net/Type-4-Upright-Conversion-Manual-by-Joe-Cali-p/type-4-conversion-manual.htm

DTM Cooling Kit:
https://type4store.com/conversion-cooling-systems/type-4-basic-dtm-kit.html
CSP: Cooling tins, alternator stand and upper pulley Kit.
https://www.csp-shop.com/en/engine/type-4-upright-conversion-csp-198-230-400-13261a.html

CSP: Lower pulley is a MUST!
https://www.csp-shop.com/en/engine/crank-pulley-type-4-105-253-411-13867a.html

CSP: OIL Filler and Dipstick is an OPTION!
https://www.csp-shop.com/en/engine/oil-filler-type-4-in-type-1-115-451-104-12377a.html
Fat Performance Flywheel converter from type 4 to type 1.
https://fatperformance-rimco.com/products/vw-type-4-forged-flywheel-200mm-conversion

Manifolds Air cleaners and linkage:
https://www.cbperformance.com/product-p/3128.htm

44 IDF Carbs: Their clones from China but so cheep that I have to give them a try! FYI, There good!
https://www.aliexpress.com/item/44-IDF-Carburetor-With-Air-Horn-For-Bug-Beetle-VW-Fiat-Porsche-replece-weber-carb/32728991214.html?spm=2114.10010108.1000013.9.6c954819EW1nnc&traffic_analysisId=recommend_2088_5_90158_iswistore&scm=1007.13339.90158.0&pvid=9dead7c6-5c83-4e7e-af64-672a50babb75&tpp=1
Just something I love to do for the DIY community!❤
Jetting for this 2.0 liter Porsche Engine with these 44 IDFs
Venturi 32mm
Idles jets .50mm
Main jets 1.30mm
Air jets 2.30mm
Pump jets .60mm

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