TPI Runner sizes (Aftermarket)
Thread Starter
Joined: May 2009
Posts: 4,915
Likes: 40
From: Far West
Car: 1986 Camaro Z28 IROC-Z
Engine: 350 Tuned Port Injection, for now.
Transmission: 700R4
Axle/Gears: Posi - 3.23
TPI Runner sizes (Aftermarket)
Okay guys. Im gonna shop around for some aftermarket runners. Ive searched for about an hour through the net to look for runner diameter sizes. Im lookin for the largest diameter size. Our stock runners are of course too small. So can anybody fill in the missing sizes below?

Stock Runners = 38-39 mm
Arizona Speed and Marine = 42 mm
Edelbrock = 40.64 - 43.18 mm
Accel = 41.91
SLP = 40.64


Stock Runners = 38-39 mm
Arizona Speed and Marine = 42 mm
Edelbrock = 40.64 - 43.18 mm
Accel = 41.91
SLP = 40.64
Last edited by Chevy86 IROC-Z; Jul 11, 2011 at 01:46 AM.
Joined: Mar 2000
Posts: 5,703
Likes: 132
From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Re: Edelbrock TPI Runner diameter size
Edelbrock....1.600
Thread Starter
Joined: May 2009
Posts: 4,915
Likes: 40
From: Far West
Car: 1986 Camaro Z28 IROC-Z
Engine: 350 Tuned Port Injection, for now.
Transmission: 700R4
Axle/Gears: Posi - 3.23
Thread Starter
Joined: May 2009
Posts: 4,915
Likes: 40
From: Far West
Car: 1986 Camaro Z28 IROC-Z
Engine: 350 Tuned Port Injection, for now.
Transmission: 700R4
Axle/Gears: Posi - 3.23
Re: Edelbrock TPI Runner diameter size
Looks like Edelbrock TPI Runners is the winner. Time to save up for the purchase. Good thing too since i got a Edl-3860 laying around in my closet.
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