stock size pipes
Thread Starter
Member
Joined: May 2001
Posts: 305
Likes: 0
From: Louisiana
Car: 91 Z/28 convertible
Engine: 305
Transmission: 700R4
stock size pipes
i have a 91 z28 covertible with a 305 auto and im ripping out the cat does any1 know what size pipe i have under there so i can get pipe 2 replace the cat thank you
Joined: Mar 2000
Posts: 43,187
Likes: 46
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Depends upon which induction you have. If TBI, it's 2-1/4". If TPI, 3".
TGO Supporter
Joined: Sep 2000
Posts: 6,775
Likes: 28
From: So.west IN
Car: 87 Formula/ 00 Xtreme
Engine: TPI 305/ v6
Transmission: struggling t-5/ 4l60E
Axle/Gears: 3.08/ 3.23
Measure the circumference of the pipe on your car and divide by pi (3.1416) and you'll have the (outer) diameter.
Thread
Thread Starter
Forum
Replies
Last Post
toronto formula
Engine/Drivetrain/Suspension Parts for Sale
15
Nov 10, 2015 06:17 AM
transaero
Engine/Drivetrain/Suspension Parts for Sale
2
Aug 31, 2015 01:14 AM
knight72
Engine/Drivetrain/Suspension Wanted
0
Aug 10, 2015 09:32 PM
