Aeromotive 13301 regulator users
#1
Senior Member
Thread Starter
iTrader: (1)
Join Date: Feb 2003
Posts: 785
Likes: 0
Received 0 Likes
on
0 Posts
Car: 90 454SS
Engine: 454 TBI
Transmission: TH400
Aeromotive 13301 regulator users
How much span are you getting from full vac to no vac?
I'm using the smaller version of this designed for LT1 applications (p/n 13106).
I've heard that the regulators with the larger (longer) body and spring have a greater pressure differential.
I'm using the smaller version of this designed for LT1 applications (p/n 13106).
I've heard that the regulators with the larger (longer) body and spring have a greater pressure differential.
#2
Junior Member
Join Date: Feb 2006
Posts: 26
Likes: 0
Received 0 Likes
on
0 Posts
Car: 93 Buick Roadmaster
Engine: 350 TBI
Transmission: 4L60
Axle/Gears: 3.08
Re: Aeromotive 13301 regulator users
With no vac I have mine set at 32 psi and at idle with 22" of vac I get 24 psi.
#5
Senior Member
Thread Starter
iTrader: (1)
Join Date: Feb 2003
Posts: 785
Likes: 0
Received 0 Likes
on
0 Posts
Car: 90 454SS
Engine: 454 TBI
Transmission: TH400
Re: Aeromotive 13301 regulator users
Yeah, I understand the effects of a lumpier cam. Mine has a 114 LSA also.
When I first switched to an external regulator, I had used one of the square looking Aeromotive units. The engine was smaller and had a cam with 110 LSA. It seems I was getting roughly 8 psi spread, but I could be wrong.
Currently am getting 6 psi spread. Guess I'll try one of the 13301's and see what happens.
When I first switched to an external regulator, I had used one of the square looking Aeromotive units. The engine was smaller and had a cam with 110 LSA. It seems I was getting roughly 8 psi spread, but I could be wrong.
Currently am getting 6 psi spread. Guess I'll try one of the 13301's and see what happens.
#6
Moderator
iTrader: (1)
Join Date: Mar 2002
Location: Chasing Electrons
Posts: 18,432
Likes: 0
Received 225 Likes
on
211 Posts
Car: check
Engine: check
Transmission: check
Re: Aeromotive 13301 regulator users
If you have or have acess to a Mity-Vac pump some testing may be donw with it. Engine off, hot wire the pump on. Connect the Mity-vac to the FPR vac line. Then pump to 5" vac, check fuel pressure, then to 10" vac, read fuel pressure, and so on until at 25 - 30 " vac.
There should be a 1:1 change in fuel pressure to vacuum (converted for the proper units).
1 psi = 2.036 inches vacuum Hg
So at 10" of vacuum the fuel pressure should be lower by 4.9 psi
4.9 psi = (10 / 2.036)
RBob.
There should be a 1:1 change in fuel pressure to vacuum (converted for the proper units).
1 psi = 2.036 inches vacuum Hg
So at 10" of vacuum the fuel pressure should be lower by 4.9 psi
4.9 psi = (10 / 2.036)
RBob.
Trending Topics
#8
Supreme Member
Re: Aeromotive 13301 regulator users
I did what RBob suggested in order to calc the VAC v BPC table in EBL.
I ran 11psi at idle up to 20psi at WOT using 80# injectors.
I ran 11psi at idle up to 20psi at WOT using 80# injectors.
Thread
Thread Starter
Forum
Replies
Last Post
New2Chevy
Engine/Drivetrain/Suspension Parts for Sale
2
09-28-2015 12:35 AM