92-93 L67 owners looking for more power
03-04-2008, 12:48 PM
#1
Senior Member
True Car Nut
Thread Starter
Join Date: Dec 2002
Location: Sauk Centre, MN
Posts: 5,459
Likes: 0
Received 0 Likes
on
0 Posts
92-93 L67 owners looking for more power
This probably has been discussed before, but I just had the micrometer out and checked the inlet of the GEN II M62 and found it to be 62.xx MM.
I then checked the outlet of the TB and found it to be 59.40 MM.
If you can find a shop to open the TB up 2.5MM you'd be seeing about a 5% (or more) flow capability from the TB, and more boost. Combine with a 2.2 or 2.3" SC pulley, non cracked and ceramic coated exhaust mani'* and you could really feel the extra power no doubt.
I then checked the outlet of the TB and found it to be 59.40 MM.
If you can find a shop to open the TB up 2.5MM you'd be seeing about a 5% (or more) flow capability from the TB, and more boost. Combine with a 2.2 or 2.3" SC pulley, non cracked and ceramic coated exhaust mani'* and you could really feel the extra power no doubt.
03-04-2008, 02:34 PM
#2
Junior Member
Posts like a Ricer Type-R
And now you're going to recalculate based on throttle plate diameter, which is actually the biggest restriction?
http://www.bonnevilleclub.com/forum/...ighlight=story
57.85mm on the plate. You can see all the dimensions you just measured here too, other than the inlet of the SC. As long as it'* bigger than the plate diameter, there'* not much to gain (not 5% certainly).
http://www.bonnevilleclub.com/forum/...ighlight=story
57.85mm on the plate. You can see all the dimensions you just measured here too, other than the inlet of the SC. As long as it'* bigger than the plate diameter, there'* not much to gain (not 5% certainly).
Thread
Thread Starter
Forum
Replies
Last Post
Bassplayincrowe
Performance, Brainstorming & Tuning
3
03-04-2004 06:40 PM