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Old 07-16-2019, 03:02 PM   #31
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Default Re: Turbo Tuning on Methanol Advice

While 220lb injectors seem small, when they are run at 90psi base pressure, they flow closer to 320lb. I personally have gone 7.50 at 180mph at 2700lbs with 220 Siemens deka and 90 psi base. My good friend has a x275 legal car that had a borg s480 cast wheel that went 4.80s at 150mph using a single set of 220lbs on batch fire with a sbf and XFI tuning to the leanest hole (thereby making the other holes a bit richer than they needed to be) .... I will caution this, the brushless fuel pump (or any electric pump for that matter) is not gonna get the job done. It’s belt drive/cable drive/or cam drive mechanical territory ....
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Old 07-16-2019, 03:22 PM   #32
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Default Re: Turbo Tuning on Methanol Advice

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Originally Posted by sleeperstang View Post
While 220lb injectors seem small, when they are run at 90psi base pressure, they flow closer to 320lb. I personally have gone 7.50 at 180mph at 2700lbs with 220 Siemens deka and 90 psi base. My good friend has a x275 legal car that had a borg s480 cast wheel that went 4.80s at 150mph using a single set of 220lbs on batch fire with a sbf and XFI tuning to the leanest hole (thereby making the other holes a bit richer than they needed to be) .... I will caution this, the brushless fuel pump (or any electric pump for that matter) is not gonna get the job done. Itís belt drive/cable drive/or cam drive mechanical territory ....
Absolutely correct. Aeromotive's graph showing fuel flow vs. voltage for the Pro Pump STOPS at 80 psi. I'm not sure they could even dead head much past 90 psi.

I was using 2 Aeromotive Pro Pumps when I ran the methanol but only was using 45 psi base pressure. Those 2 pumps combined were probably just enough to keep up.
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Old 07-17-2019, 12:36 PM   #33
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Default Re: Turbo Tuning on Methanol Advice

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Originally Posted by michaeld View Post
THIS.. 220 are on the small side for meth with boost
Especially with half the pump dead.
Iíve confirmed this, now need to talk with Holley.
The pump placement was horrible. Nearly above the top of the fuel cell. Iíll be re-engineering that to be correct with the pump at sump level. It will be awhile before I get back to tuning.
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Old 07-19-2019, 04:17 PM   #34
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Default Re: Turbo Tuning on Methanol Advice

Holley won't repair the pump. I took it apart, corroded inside. Something got in the screw on one side.
So after all the hassles with this car.....blowing trans fluid out, slick going flat during a pull and now the FP dead, time to rethink.
Going to go to E85. Aeromotive brushless pump, re-do the fuel system.

Just a few pulls on the dyno the methanol polluted the oil. And polluted my brain.

I'm thinking methanol isn't for girls.

Where is my dress...…..

Ron
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Old 07-19-2019, 05:45 PM   #35
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Default Re: Turbo Tuning on Methanol Advice

Evidently not, I love it and wouldn't run anything else in an engine I am really going to lean on. I have never had any issues with methanol and been running the same pump, regulator, Deka 220pph injectors for over 8yrs. VP M1 with their lube and I don't drain the system ever. Cap the vent and that's it. Waterman Little Bertha with their cable drive coming off the back of the dry sump pump.
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Old 07-19-2019, 06:50 PM   #36
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Default Re: Turbo Tuning on Methanol Advice

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Evidently not, I love it and wouldn't run anything else in an engine I am really going to lean on. I have never had any issues with methanol and been running the same pump, regulator, Deka 220pph injectors for over 8yrs. VP M1 with their lube and I don't drain the system ever. Cap the vent and that's it. Waterman Little Bertha with their cable drive coming off the back of the dry sump pump.
I agree with everything you wrote.

But....

It's easy for methanol to absorb water especially in humid environments. I had problems with this and yes, some of it was my own fault. I didn't use sealed 5 gallon drums of it and let it get exposed too much to humid air while handling it. When I first tested some batches with a hydrometer I could tell it was already borderline "bad" from water contamination. After using it for approximately a year I stopped and went back to my only other option at the time - race gas. A month later I was doing a fuel pump test and could tell something was wrong. Turns out my pump inlet filters were clogged with chalky residue and the housings terribly corroded.

I never had a problem with contaminating the oil though. The methanol was only used with my secondary injectors while under boost. Otherwise the engine ran on gas which kept it hot eliminated the problems with methanol idling and during light throttle.

If I ever try using it again I will be more careful with the purity of the methanol I use.
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Last edited by Topfun99; 07-19-2019 at 06:53 PM.
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Old 07-19-2019, 08:43 PM   #37
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Default Re: Turbo Tuning on Methanol Advice

I agree with Brian.
With what little time I have spent tuning mine, I'm loving it.
Half a dozen back to back 500ft test hits on the street and the coolant temperature moves 3 degrees....lol

The key is keeping it lean and mean out of boost to avoid shitting up the oil.
A dual fuel setup makes this aspect a piece of cake.
Top fun inspired my setup, and while it is not cheap or easy, it works flawlessly.
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Old 07-19-2019, 10:18 PM   #38
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Default Re: Turbo Tuning on Methanol Advice

My bitch wasn't mainly about the fuel. I'm learning a new FI setup, and vaulted to a fuel I'm unfamiliar with.
On a car far from ready for prime time.
Were it tuned nicely on race fuel or E85, everything working, sure would have been easier.
Pump was DOA. Worked ok until I richened the fuel.
When I took it apart, there were chunks of corrosion throughout it. Thankfully there was a post filter.

I did tune idle and part throttle lean, 6.2 AFR.

As far as temps, well the radiator/fan even with our dyno fan couldn't keep it below 210. Although it took forever to warm up to 170 or so.

Appreciate the sidebars, always ok with me!

Ron
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Old 07-19-2019, 10:34 PM   #39
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Default Re: Turbo Tuning on Methanol Advice

Yeah, you were given the task of making chicken soup out of chicken shit.....
Roughing in the tune on gas or corn is a good idea as a baseline.
Good luck getting it all sorted out.
A belt or cable pump is essential for M1.
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Old 07-19-2019, 11:29 PM   #40
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Default Re: Turbo Tuning on Methanol Advice

Ron,
That sounds like a complete botched combo that they put together and threw in your lap Ron. When I built Mable the little 63 Chevy to its was very simple once I figured out the EFI system itself.
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Old 07-19-2019, 11:38 PM   #41
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Default Re: Turbo Tuning on Methanol Advice

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Originally Posted by TurboII View Post
Evidently not, I love it and wouldn't run anything else in an engine I am really going to lean on. I have never had any issues with methanol and been running the same pump, regulator, Deka 220pph injectors for over 8yrs. VP M1 with their lube and I don't drain the system ever. Cap the vent and that's it. Waterman Little Bertha with their cable drive coming off the back of the dry sump pump.

Never had a problem with M1 sitting in the injectors all season?
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Old 07-19-2019, 11:49 PM   #42
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Default Re: Turbo Tuning on Methanol Advice

You have to use the VP lube or else you will have corrosion problems for sure.
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Old 07-20-2019, 12:29 PM   #43
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Default Re: Turbo Tuning on Methanol Advice

I think the most important thing is to drain the lines and spray wd40 in them any time your gonna let things sit while the car can’t run. If it’s capable of running, then it’s nothing more than a simple fire up every couple weeks and your good ... that’s all we do, and 7yrs without issues ...
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Old 07-20-2019, 01:31 PM   #44
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Default Re: Turbo Tuning on Methanol Advice

Thanks guys. I really want to see this become successful for our customer. Probably should have taken it, made a list of things to fix then brought it back after.
It will all be good in the end.
I have a list BTW......and it's long!
When I was testing the fuel pump, the switch is in the drivers compartment. So I thought, gee I'll just use the master cutoff switch at the back of the car. Well, it doesn't shut off the fuel pump...….

I'm spending time getting to know the customer. I think it's important.

Anyway, Darren, hope we can run into each other in person some time soon.

Ron
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Old 07-20-2019, 09:37 PM   #45
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Default Re: Turbo Tuning on Methanol Advice

Ron,
We are taking the 55 to the good guys drags next Friday. Are you going to come up for them?
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