primary sizes

Reply Subscribe

Thread Tools

Search this Thread

Oct 7, 2008 | 12:54 PM

thumpstick

Thread Starter

Staging Lane

Joined: Aug 2006

Posts: 94

Likes: 0

From: clemson / charleston SC

primary sizes

quick question, I am making some log manifolds for a single turbo set up. What size weld elbows are folks using manifolds like these?

thanks,
-John

Attached Thumbnails

Oct 9, 2008 | 11:37 AM

thumpstick

Thread Starter

Staging Lane

Joined: Aug 2006

Posts: 94

Likes: 0

From: clemson / charleston SC

^^^^^

Oct 9, 2008 | 07:18 PM

crazycat

On The Tree

iTrader: (6)

Joined: Jan 2007

Posts: 197

Likes: 0

From: upstate N,Y

2.5" I think is what most people use...

Oct 9, 2008 | 09:06 PM

1CAMWNDR

TECH Veteran

iTrader: (21)

Joined: Nov 2001

Posts: 4,247

Likes: 2

No, the primaries need to be 1 5/8" for greater velocity or or 1 3/4" for greater volume. The up pipes to the turbo can be 2 1/4" for more gas velocity, or 2 1/2" for more volume.

Reply Subscribe