Birthday Buy Beefcake TQ Booster Kit Paxton 2200

[Inigo]

Its my 30th tomorrow (the 11th) and I'd thought I'd order myself something nice.

I hopped onto beefcakes page and picked up a torque booster kit. I have a few questions for those running one. I'll be moving from my current 3.6 pulley to the included 3.33 with green belt.

1. What spring did you choose to run?
My current setup is running 11-12 pounds of boost on quality 91 (plus high altitude) on a 3.6 pulley

2. Are there any special considerations (other than tuning which I have covered)....regarding the BOV? I'm using the included Paxton BOV


I plan to document the gains. Attached is my current setup on a normal day here in Colorado. I'll get another pull done when the weather warms up and the TQ booster installed.

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[z06psi]

IMHO stay where you are at on the 11-12 psi.

 

[Dennisn]

That's a nice looking hp graph. What manifold??

 

[Inigo]

That's a nice looking hp graph. What manifold??

Stock

 

[Terminator2]

Seeing your altitude there means normally 15-20% less total system pressure vs sea level i would set spring to 15 psi which will act like 12-13psi at sea level. Uncorrected dynoes from up there are usually 20% lower than sae corrected so actual hp could be 130whp less than sea level.

 

[zaquhree]

I would not add the torque booster. I would invest the money into
1) 3.31 gears vs your 3.73 since PP (huge difference in power delivery)
2) TiAL BOV (better throttle response)
3) E85 (arguably the best supporting mod for a FI car)

 

[dubster99]

That graph looks stout. Can't wait to get my kit installed, and eventually run the 3.6 with my Boss mani.

 

[Inigo]

I would not add the torque booster. I would invest the money into
1) 3.31 gears vs your 3.73 since PP (huge difference in power delivery)
2) TiAL BOV (better throttle response)
3) E85 (arguably the best supporting mod for a FI car)

I plan to go E85 in addition to the tq booster kit. The Tial BOV is also on my list (assuming it replaces the same pipe/unit as to not conflict with the WG on the other side)

I would rather have 3.31s but I'm not confident in any shops in the Denver area. I wouldn't mind throwing them in myself but I dont have time.

 

[Inigo]

Seeing your altitude there means normally 15-20% less total system pressure vs sea level i would set spring to 15 psi which will act like 12-13psi at sea level. Uncorrected dynoes from up there are usually 20% lower than sae corrected so actual hp could be 130whp less than sea level.

Why would I use a 15 pound spring? The supercharger pulley will deliver more than the psi I need and the pressure needed to overcome a 11 pound spring is the same. If I use an 11 pound spring, I will get 11 pounds of boost assuming the pulley provides more than that (which it will).

 

[Terminator2]

Why would I use a 15 pound spring? The supercharger pulley will deliver more than the psi I need and the pressure needed to overcome a 11 pound spring is the same. If I use an 11 pound spring, I will get 11 pounds of boost assuming the pulley provides more than that (which it will).

You would pulley down such that the blower could deliver 17-18psi but the wg spring will open it 15 to stop it hitting over 15.

 

[Inigo]

You would pulley down such that the blower could deliver 17-18psi but the wg spring will open it 15 to stop it hitting over 15.

Correct.

I think the 3.33 will deliver about 13-14 pounds of boost at altitude which I will WG to 11

 

[wildcatgoal]

When I was 30...

 

[zaquhree]

I saw 14-16lbs 7,500RPM+ on my 3.33" with a tight belt

 

[Inigo]

When I was 30...

 

[Inigo]

I saw 14-16lbs 7,500RPM+ on my 3.33" with a tight belt

At sea level...I can only assume that high altitude gets individuals confused although absolute pressure never changes. I will put an 11 pound spring in (assuming I get one) and it will WG to atmosphere, anything above that pressure regardless of elevation.

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