What size silicone coupler
#5
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nope wrong. i just finished putting on a procharger and to go from the stock maf to the stock tb they supplied a 3.5 to 4 inch coupler.
heres a lint to the procharger instruction. http://www.ls1.com/ed/procharger_owners_manual.pdf check page 25 part W
heres a lint to the procharger instruction. http://www.ls1.com/ed/procharger_owners_manual.pdf check page 25 part W
#7
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85mm is the ID for a truck 5 wire MAF. OD is 4", OD of a stock 78mm TB is also 4". The kicker is the inlet for the truck MAF is 3.8" OD. A 4" rubber coupler will clamp down that far, a 4" silicone will require something in between. I used electrical tape and havent blown it off under boost yet
The stock 3 wire 75mm MAF is 3.5 OD in/out, so you'll need a reducer to fit the stock TB
The stock 3 wire 75mm MAF is 3.5 OD in/out, so you'll need a reducer to fit the stock TB