140A alternator vs. volt boster

[tonysmach]

you probably did - but i must still ask Did you adjust the ramp up curve on the alky system?

No. I did not make any adjustments. I read several threads on here that convinced me to remove it after I installed the Alky. The car had the VB on it when I purchased it and added the Alky soon afterwards and I was not as experienced with these cars as I am now. Since removing it made it run correctly, it seemed like the easiest thing to do.

 

[Grumpy]

yup.... winter is HERE !! :biggrin:

 

[Pronto]

Fun ain't it?

 

[TurboTGuy]

.

 

[Blazer406]

Can anyone using XFI, a volt booster and Alky comment on how well it works? I know I had to remove my volt booster afer installing my Alky when I was using a stock ECU and TT chip. I could not get it to run correctly...it was too rich at WOT. Did some reading on the board and solved the problem by removing VB. Now that I have an XFI...maybe it will work?

We did on 88ZNX'x Turbo LC2 Iroc..... voltbooster.....xfi..... C16 and a single nozzle alky. (we only use the alky for cooling the charge air temps due to poor intercooler efficiency) It tuned just fine. When we first put the alky on the car.....we went from inlet air temps in the 150's with no alky to inlet air temps in the 50's after we added the alky..... when we were on 22 psi boost. A year later in Reynolds 2010, we had alky, volt booster, and an XFI on the car when we went 9.44 .... Average correction @ WOT on the 9.44 pass was -3.6%..... anotherwords.... it averaged pulling 3.6% fuel during the entire run.

My point is this.... if you are using a wideband to make corrections at WOT..... and in our case.... an XFI.... you can tune for the volt booster kicking the alky pump in the butt. No big deal.

 

[TURBOPOWERED68]

yup.... winter is HERE !! :biggrin:

lucky we have the Webb to keep us busy other wise we'd be picking fights with the wife and getting beat up afterwards.:biggrin:

 

[Slow91z]

I have used a volt booster with alky and pump gas for years both with a stock ecm and a fast system...I have never had a problem tuning it and never understood what the big deal was...look its rich let's pull some fuel, done. Probably would have to adjust the ramp speed a bit for the big hit when the volt booster kicks in but not really complicated. Jmo

 

[Grumpy]

I have used a volt booster with alky and pump gas for years both with a stock ecm and a fast system...I have never had a problem tuning it and never understood what the big deal was...look its rich let's pull some fuel, done. Probably would have to adjust the ramp speed a bit for the big hit when the volt booster kicks in but not really complicated. Jmo

BS !!!! Don't you understand reading between the lines ?? GUYS want to just plug everything in an GO !!! Tuning ??? Whats dat :biggrin: I tell guys all the time.. DRIVE the car an "play" around with it. See how it reacts to different changes.

 

[Pronto]

Don't you keep the alky set to 11 anyway?:tongue:

 

[Slow91z]

Don't you keep the alky set to 11 anyway?:tongue:

Pretty much.

 

[Slow91z]

BS !!!! Don't you understand reading between the lines ?? GUYS want to just plug everything in an GO !!! Tuning ??? Whats dat :biggrin: I tell guys all the time.. DRIVE the car an "play" around with it. See how it reacts to different changes.

A lot of truth to that.

 

[BuickMike]

I don't see the issue with alky either. The simplest way to avoid issues would be to make both your alky and volt booster come on with boost. Have the volt booster kick in just before the alky and pull your ramp back accordingly. Done. I'm going to make my own volt booster using a couple resistors and a hobbs switch I have laying around. My alky comes on at 10psi, so I'll set the hobbs switch about the same or 1psi less.

Or.....you could use the power wire to your alky pump and trigger a relay to turn on the volt booster when the alky comes on. Hmmmmmm..........

 

[TurboTGuy]

I thought I read where Razor said sometimes these volt boosters interfere with his methanol injection pump....can somebody shed some light on this subject? Also, if you upgrade the alternator, does that make the volt booster obsolete?

I swear I wast just reading a thread the other day where Razor said the voltage increases and alky pump issues had been worked out but you still needed to account for the VB in the tune.

DANG, now I can't find the darn thing anywhere........

 

[gmmuscle]

subscribed

 

[KEVINS]

We started with Red's boost activated unit, and then Casper's volt booster. Generally, both units worked well.

In the past few years, we have modified the charging circuit with a diode to give a 14.5 to 15 volt output from just off idle to high RPM. We have years of many data logs showing this and race cars, and many miles on street cars.

So I can see no need for a higher amp alt for normal street driving or race use.

Nick,
Did you ever get that diode "how too" info?

I'm also trying to figure out how to keep my alternator from dropping to 12.5 V at WOT.
KS

 

[TURBOPOWERED68]

I swear I wast just reading a thread the other day where Razor said the voltage increases and alky pump issues had been worked out but you still needed to account for the VB in the tune.

DANG, now I can't find the darn thing anywhere........

if you ever remember it or find it please posted it up.
thanks

 

[KEVINS]

Hell, I just remembered that I installed an electric vacuum pump and it has a hobbs switch that is triggered at 4psi. I could hook up the Volt Booster to that switch then the alchy is set to spray afterwards. Maybe this could help with the alchy tuning..


KS

 

[TurboTGuy]

TurboTGuy said: ↑

I swear I wast just reading a thread the other day where Razor said the voltage increases and alky pump issues had been worked out but you still needed to account for the VB in the tune.

DANG, now I can't find the darn thing anywhere........​

if you ever remember it or find it please posted it up.
thanks

I think this is it......

Volt Boosters - Which One?

http://turbobuick.com/forums/posts/1908026/​

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