2.6 pulley with gen 2 vmp

codyd

Member
Established Member
Joined
Aug 7, 2017
Messages
42
I am looking for info on how much boost a 2.6 upper with stock lower should be making with a vmp. That pulley claims 21-22 psi but I’m wondering if that’s with headers also. Thanks in advance!


Sent from my iPhone using the svtperformance.com mobile app
 

codyd

Member
Established Member
Joined
Aug 7, 2017
Messages
42
Admin this was meant for terminator talk if you could plz move it there sir.


Sent from my iPhone using svtperformance.com
 

Black02GT

*Not 2KBlackGT
Established Member
Joined
Dec 12, 2004
Messages
6,227
Location
NY
I'm interested as well. Im getting way more boost than I thought I would on my 2.8 pulley in the midrange. I think it's my aggressive cams paired with shit exhaust causing it. I need long tubes in the spring.
 

codyd

Member
Established Member
Joined
Aug 7, 2017
Messages
42
What psi are you seeing now? Without LT’s


Sent from my iPhone using svtperformance.com
 

Black02GT

*Not 2KBlackGT
Established Member
Joined
Dec 12, 2004
Messages
6,227
Location
NY
Starts at 16psi peaks at 21-22psi then drops back down. It's weird all others I've seen have a flat boost curve. Im thinking it's the overlap on the cams with stock logs. Made good power for a 2.8 only and on this particular Mustang Dyno that notoriously reads low. Middle line is boost, been meaning to make a thread about it.
20171223_181910.jpg


Running a supposedly stock size metco lower. I've been meaning to measure it to double check. Stock intake tube, stock manifolds, Bassani x with cats. Tuner said the tune is conservative and he could add 4 more degrees of timing. It's so cold here now I can't even hook 3rd on R888 so I'm happy for now.
 
Last edited:

codyd

Member
Established Member
Joined
Aug 7, 2017
Messages
42
Well I have a 4# lower and I’m trying to find out which upper I need to make around 19lbs at most


Sent from my iPhone using svtperformance.com
 

codyd

Member
Established Member
Joined
Aug 7, 2017
Messages
42
I have LT’s btw


Sent from my iPhone using svtperformance.com
 

Black02GT

*Not 2KBlackGT
Established Member
Joined
Dec 12, 2004
Messages
6,227
Location
NY
I have LT’s btw


Sent from my iPhone using svtperformance.com

My buddy with a 3.0/4# makes 22-23 psi with Kooks LT. So bigger than 3.0 for 19psi lol. I think a 2.8 stock lower would get you right around there. I've read the table on VMP site is a little low so probably pretty on if you have long tubes.
 
Last edited:

codyd

Member
Established Member
Joined
Aug 7, 2017
Messages
42
Damn lol sounds like I’ll need a 3.2 upper then.. because even with a stock lower I’m sure I’ll see 21psi with a 2.6


Sent from my iPhone using svtperformance.com
 

codyd

Member
Established Member
Joined
Aug 7, 2017
Messages
42
I just want to make over 600 on 93, not 100% on what psi I would need to get me over 600


Sent from my iPhone using svtperformance.com
 

codyd

Member
Established Member
Joined
Aug 7, 2017
Messages
42
I think I’ve decided to go with a 3.2 upper with my 4# lower that should put me about where I want to be.

Sent from my iPhone using svtperformance.com
 
Last edited:

codyd

Member
Established Member
Joined
Aug 7, 2017
Messages
42
Colby has a stock lower I can buy off him


Sent from my iPhone using svtperformance.com
 

Bdubbs

u even lift bro?
Established Member
Premium Member
Joined
Jan 8, 2010
Messages
16,043
Location
MN
I'm making 21lbs with long tube headers and 2.6 upper. Cold days I've seen 22lbs.
 

Users who are viewing this thread



Top