Okay....so I got a few questions
10-18-2004, 02:13 PM
#1
2nd Gear Member
Thread Starter
Join Date: Jul 2004
Location: St. Louis
Posts: 186
Okay....so I got a few questions
and I'm sure you guys have the answers!! 
1. Currently I use mid-grade gas in my Gt...89 octane. Would there be ANY benefit to going to 91 octane?
2. What attributes does the Accufab posess that make it better than say, C&L, Trickflow...etc? I'm lookin into a 70mm T/B and plenum and I'm just wondering is it really worth the money or am I really just paying for the name.
3. I read an ad for GT-40 "turbo-swirl" heads. Claiming a 30 hp increase over my stock heads. True? I don't actually wanna go through the whole PI head swap...just maybe diff. heads, OR diff. cam and intake.
Okay, that's it for now!
1. Currently I use mid-grade gas in my Gt...89 octane. Would there be ANY benefit to going to 91 octane?
2. What attributes does the Accufab posess that make it better than say, C&L, Trickflow...etc? I'm lookin into a 70mm T/B and plenum and I'm just wondering is it really worth the money or am I really just paying for the name.
3. I read an ad for GT-40 "turbo-swirl" heads. Claiming a 30 hp increase over my stock heads. True? I don't actually wanna go through the whole PI head swap...just maybe diff. heads, OR diff. cam and intake.
Okay, that's it for now!
10-18-2004, 02:18 PM
#2
5th Gear Member
Join Date: Mar 2004
Location: Assachusetts
Posts: 2,898
RE: Okay....so I got a few questions
Well i do know that your not gonna make to much of and increase with the TB and Intake Manifold unless you get the heads and maybe a cam...i'm not sure abou tthe gas...
10-18-2004, 02:21 PM
#3
I ♥ Acer
Join Date: Sep 2003
Location: United States
Posts: 8,826
RE: Okay....so I got a few questions
1. No, theirs no benefit to using 89 over 87 either unless you've bumped your ignition timing or getting detonation at 87 - as a matter of fact using an octane rating higher than required will reduce hp and increase carbon buildup.
2. Accufab is the best in the business, their design flows about the same CFM as the rest of them - but they do it with a smaller plenum volume which means more velocity and more torque. On a 96 GT though your not gonna get much of a gain from a plenum / tb change since your heads, cams, & intake are gonna choke out your power above 5k. So, unless you've already exhausted your other mods, you may want to consider doing some exhaust, gears, maybe intake, cams, or heads before you lay down the $400+ on an accufab setup thats only gonna get you around 5hp.
3. GT-40 heads are for 5.0's, the only other heads you can put on your car as of today are PI's
Thats my $.03
2. Accufab is the best in the business, their design flows about the same CFM as the rest of them - but they do it with a smaller plenum volume which means more velocity and more torque. On a 96 GT though your not gonna get much of a gain from a plenum / tb change since your heads, cams, & intake are gonna choke out your power above 5k. So, unless you've already exhausted your other mods, you may want to consider doing some exhaust, gears, maybe intake, cams, or heads before you lay down the $400+ on an accufab setup thats only gonna get you around 5hp.
3. GT-40 heads are for 5.0's, the only other heads you can put on your car as of today are PI's
Thats my $.03
10-18-2004, 02:59 PM
#6
2nd Gear Member
Join Date: Oct 2003
Location: United States
Posts: 210
RE: Okay....so I got a few questions
ORIGINAL: mdvaldosta
1. No, theirs no benefit to using 89 over 87 either unless you've bumped your ignition timing or getting detonation at 87 - as a matter of fact using an octane rating higher than required will reduce hp and increase carbon buildup.
2. Accufab is the best in the business, their design flows about the same CFM as the rest of them - but they do it with a smaller plenum volume which means more velocity and more torque. On a 96 GT though your not gonna get much of a gain from a plenum / tb change since your heads, cams, & intake are gonna choke out your power above 5k. So, unless you've already exhausted your other mods, you may want to consider doing some exhaust, gears, maybe intake, cams, or heads before you lay down the $400+ on an accufab setup thats only gonna get you around 5hp.
3. GT-40 heads are for 5.0's, the only other heads you can put on your car as of today are PI's
Thats my $.03
1. No, theirs no benefit to using 89 over 87 either unless you've bumped your ignition timing or getting detonation at 87 - as a matter of fact using an octane rating higher than required will reduce hp and increase carbon buildup.
2. Accufab is the best in the business, their design flows about the same CFM as the rest of them - but they do it with a smaller plenum volume which means more velocity and more torque. On a 96 GT though your not gonna get much of a gain from a plenum / tb change since your heads, cams, & intake are gonna choke out your power above 5k. So, unless you've already exhausted your other mods, you may want to consider doing some exhaust, gears, maybe intake, cams, or heads before you lay down the $400+ on an accufab setup thats only gonna get you around 5hp.
3. GT-40 heads are for 5.0's, the only other heads you can put on your car as of today are PI's
Thats my $.03
10-18-2004, 04:03 PM
#8
I ♥ Acer
Join Date: Sep 2003
Location: United States
Posts: 8,826
RE: Okay....so I got a few questions
Thats not true. If you want me to sit down and type up a FAQ I'd be glad to - but don't spread any bull about 93 being "cleaner"... octane rating is nothing but a measure of the fuel's resistance to pre-ignition. 93 Octane is harder to ignite, and burns slower and more controlled. So is the myth that 110 octane "race" gas will make you go faster. "Premium" is just a ploy to sell more expensive gas. You don't have to take my word for it - do the research yourself and don't rely on what your "friends" told you.
10-18-2004, 04:05 PM
#9
I ♥ Acer
Join Date: Sep 2003
Location: United States
Posts: 8,826
RE: Okay....so I got a few questions
ORIGINAL: aaron_b_b
Are you serious? I use 93 octane all the time and my whole system is stock? Would the car start to act differently if I went back to regular?
ORIGINAL: mdvaldosta
1. No, theirs no benefit to using 89 over 87 either unless you've bumped your ignition timing or getting detonation at 87 - as a matter of fact using an octane rating higher than required will reduce hp and increase carbon buildup.
2. Accufab is the best in the business, their design flows about the same CFM as the rest of them - but they do it with a smaller plenum volume which means more velocity and more torque. On a 96 GT though your not gonna get much of a gain from a plenum / tb change since your heads, cams, & intake are gonna choke out your power above 5k. So, unless you've already exhausted your other mods, you may want to consider doing some exhaust, gears, maybe intake, cams, or heads before you lay down the $400+ on an accufab setup thats only gonna get you around 5hp.
3. GT-40 heads are for 5.0's, the only other heads you can put on your car as of today are PI's
Thats my $.03
1. No, theirs no benefit to using 89 over 87 either unless you've bumped your ignition timing or getting detonation at 87 - as a matter of fact using an octane rating higher than required will reduce hp and increase carbon buildup.
2. Accufab is the best in the business, their design flows about the same CFM as the rest of them - but they do it with a smaller plenum volume which means more velocity and more torque. On a 96 GT though your not gonna get much of a gain from a plenum / tb change since your heads, cams, & intake are gonna choke out your power above 5k. So, unless you've already exhausted your other mods, you may want to consider doing some exhaust, gears, maybe intake, cams, or heads before you lay down the $400+ on an accufab setup thats only gonna get you around 5hp.
3. GT-40 heads are for 5.0's, the only other heads you can put on your car as of today are PI's
Thats my $.03
