Vortech boost ?

red92droptop50 · June 2nd, 2009, 07:45 PM

I'm new here, and have a question. Just installed a vortech v-1 sc trim on my 92 5.0 vert automatic. Doesn't start to make boost until the 3200+ range, trans shifts at 5400. And the most that I've on the gauge is @ 4 psi, should I upgrade to a larger crank pulley to bring the boost in lower, I'm going to install 3:55's(has 2:73). Currently running 19lb injectors, 70mm M/A, 190 lph pump, Have yet to install a typhoon intake w/ 70mm tb/spacer. Suggestions?

1slo5.0 · June 2nd, 2009, 08:09 PM

A centrifigul supercharger operates like that. The boost will not be instant like a positive displacement blower. Changing the pulleys will increase boost but won't make much of a difference for when it comes on. You are going to need bigger injectors if you turn the boost up at all.

Iwannagofast · June 2nd, 2009, 08:14 PM

yeah there are several upgrades you could probly benefit from with a blower...255 pump and probly 30 lb or bigger injectors bigger maf and throttle body....that intake isnt the best either....i realize you probly dont have money to throw around just letting you know....im not familiar with what charger is rated at what boost but what is that one advertised at

Lind · June 3rd, 2009, 01:21 AM

vortech tells you how much you each pulley change will give you in hp gains, as for running a smaller pulley you will notice a quicker boost build up at lower rpms because the supercharger is already spinning faster, and higher boost numbers, if i had it my way i would have gone with a twin screw kenne bell, no build up period, just straight up and constant power/boost

White Thunder · June 3rd, 2009, 05:29 PM

i dunno about a kenny bell twin on a push rod fox....

you have stock exhaust? one you free up the exhuast and intake side you should notice a big difference

rodeheavers · June 3rd, 2009, 05:41 PM

Originally Posted by White Thunder

i dunno about a kenny bell twin on a push rod fox....

you have stock exhaust? one you free up the exhuast and intake side you should notice a big difference

X2, that sounds right for a vortech... make sure you dont have any belt slip or boost leaks...

White Thunder · June 3rd, 2009, 05:42 PM

lol the most common thing you will hear after beating a srt4 in a race....."i have a boost leak"

Iwannagofast · June 3rd, 2009, 06:54 PM

Originally Posted by White Thunder

lol the most common thing you will hear after beating a srt4 in a race....."i have a boost leak"

yeah all you ricers have a list of excuses readily available

flattusmaximus78 · June 3rd, 2009, 07:01 PM

If your going to want more boost. Get a bigger maf, a good maf, a bigger throttle body, bigger injectors.

Lightning maf is about 80 bucks
used 42lbers can be had for under 200.
And a used pulley is cheap. What pulley is on your blower right now.

I have a 3.33 pulley I'm trying to det rid of for 50 bucks.

White Thunder · June 3rd, 2009, 09:23 PM

Originally Posted by Iwannagofast

yeah all you ricers have a list of excuses readily available

im no damn ricer!

Iwannagofast · June 3rd, 2009, 10:19 PM

Originally Posted by White Thunder

im no damn ricer!

haha i was just messin with ya man.....i think those cars are pretty cool....i just had to do it tho

White Thunder · June 3rd, 2009, 10:25 PM

lol i hear ya

ill make fun of the yota

Traidmarx · June 3rd, 2009, 10:29 PM

Originally Posted by White Thunder

lol the most common thing you will hear after beating a srt4 in a race....."i have a boost leak"

yea but your favorite if i'm not mistaken is "my clutch is slipping"

White Thunder · June 3rd, 2009, 10:33 PM

i still beat you!

Traidmarx · June 3rd, 2009, 10:34 PM

i didn't hear the beep and you got the jump on me...lol, but hey i'll have the new tranny and clutch in any day now...so whenever you're ready we can hit up the track and see what happens.

White Thunder · June 3rd, 2009, 10:36 PM

can i go in reverse?

im done with the neon....im selling it for sure when i get back

ReverendDexter · June 3rd, 2009, 10:40 PM

You might look at the flipside of the equation, and work on getting your tranny to hold more rpm before it shifts. Maybe I'm out of the loop on 5.0s, but 5400 seems a little low as a full-throttle shift-point to me.

White Thunder · June 3rd, 2009, 10:44 PM

the stock tachs are almost always off....even up to 1k at redline....

flattusmaximus78 · June 3rd, 2009, 10:45 PM

Try making making decent power and having to shift at 5600-5800 cause my junk ass p heads.

When my car was almotor it was off by less then 1k. But with the vortech when I hit 4500 sometimes it would hit the rev limiter depending on the gear I was in.

Traidmarx · June 3rd, 2009, 10:45 PM

Originally Posted by ReverendDexter

You might look at the flipside of the equation, and work on getting your tranny to hold more rpm before it shifts. Maybe I'm out of the loop on 5.0s, but 5400 seems a little low as a full-throttle shift-point to me.

just depends alot of 5.0's stock one's anyway are usually out of breath by 5400 rpms, just depends on the head and cam set up

June 2nd, 2009, 07:45 PM	#1
red92droptop50 Newbie 1992 mustang lx vert Join Date: Jun 2009 Location: NJ Posts: 6 iTrader: 0 reviews	Vortech boost ? I'm new here, and have a question. Just installed a vortech v-1 sc trim on my 92 5.0 vert automatic. Doesn't start to make boost until the 3200+ range, trans shifts at 5400. And the most that I've on the gauge is @ 4 psi, should I upgrade to a larger crank pulley to bring the boost in lower, I'm going to install 3:55's(has 2:73). Currently running 19lb injectors, 70mm M/A, 190 lph pump, Have yet to install a typhoon intake w/ 70mm tb/spacer. Suggestions?

June 2nd, 2009, 08:09 PM	#2
1slo5.0 MM Ninjas! 1990 Mustang LX 9.36@143 mph Join Date: Jan 2006 Location: North Fond du Lac, Wisconsin Posts: 11,375 iTrader: 1 reviews	A centrifigul supercharger operates like that. The boost will not be instant like a positive displacement blower. Changing the pulleys will increase boost but won't make much of a difference for when it comes on. You are going to need bigger injectors if you turn the boost up at all. __________________ My daily driver has 16 cylinders and 4400hp @ 1000 rpm.... ***1988 Mustang GT - Stock....almost

June 3rd, 2009, 01:21 AM	#4
Lind Enthusiast 1994 Ford Mustang GT Join Date: Sep 2006 Location: Shawano, WI Posts: 579 iTrader: 0 reviews	vortech tells you how much you each pulley change will give you in hp gains, as for running a smaller pulley you will notice a quicker boost build up at lower rpms because the supercharger is already spinning faster, and higher boost numbers, if i had it my way i would have gone with a twin screw kenne bell, no build up period, just straight up and constant power/boost __________________ www.moddedmustangs.com

June 3rd, 2009, 07:01 PM	#9
flattusmaximus78 I Post Entirely Way Too Much 1993 5.ohhhh 12.97 @140mph Join Date: Apr 2006 Location: Gatorland Posts: 6,122 iTrader: 3 reviews	If your going to want more boost. Get a bigger maf, a good maf, a bigger throttle body, bigger injectors. Lightning maf is about 80 bucks used 42lbers can be had for under 200. And a used pulley is cheap. What pulley is on your blower right now. I have a 3.33 pulley I'm trying to det rid of for 50 bucks. __________________ 02 Pewter z28, hoosiers/lid/exhaust/spray...125mph 1993 gt Sold, already missed --Moates Quarter horse $225-- --Cobra intake $150-- --tremec 3550 bell and shifter $1100--

June 3rd, 2009, 10:34 PM	#15
Traidmarx Hardcore Enthusiast 1995 Mustang GT SLOWER THAN OLD PEOPLE FUCK..:-( Join Date: Aug 2008 Location: Roanoke,VA Posts: 2,075 iTrader: 0 reviews	i didn't hear the beep and you got the jump on me...lol, but hey i'll have the new tranny and clutch in any day now...so whenever you're ready we can hit up the track and see what happens. __________________ 1995 Mustang GT..4.30's,BBK Longtubes, Off Road X-Pipe,Magnaflow Catback,BBK Intake,BBK Underdrive Pulleys Walbro 255lph pump,accel dizzy,MSD Coil,MSD 8.5 Super Conductors,front sway bar removed, more coming soon.

June 3rd, 2009, 10:40 PM	#17
ReverendDexter Priest of the Car Gods Clapped-out '90 GT 'vert ~5.5 seconds off TTOD :( Join Date: Jan 2007 Location: Rohnert Park, CA Posts: 13,808 iTrader: 0 reviews	You might look at the flipside of the equation, and work on getting your tranny to hold more rpm before it shifts. Maybe I'm out of the loop on 5.0s, but 5400 seems a little low as a full-throttle shift-point to me. __________________ O o /¯/______________________ \|BLAAAAAAAAAAAAAAAAAAAAAAAAARGH!!! \_\

June 3rd, 2009, 10:45 PM	#19
flattusmaximus78 I Post Entirely Way Too Much 1993 5.ohhhh 12.97 @140mph Join Date: Apr 2006 Location: Gatorland Posts: 6,122 iTrader: 3 reviews	Try making making decent power and having to shift at 5600-5800 cause my junk ass p heads. When my car was almotor it was off by less then 1k. But with the vortech when I hit 4500 sometimes it would hit the rev limiter depending on the gear I was in. __________________ 02 Pewter z28, hoosiers/lid/exhaust/spray...125mph 1993 gt Sold, already missed --Moates Quarter horse $225-- --Cobra intake $150-- --tremec 3550 bell and shifter $1100--

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