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Using a lot of Methanol.....

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Rich Gio

You'll need a bigger Hemi
Joined
Jan 3, 2010
Messages
613
I did about 4 or 5 8 to 12 second WOT runs at and level dropped nearly 2" in the reservoir. That seems like a lot to me. I can't see or smell any leaks. Anything else I should check? Oh, the gain knob is set at 6 ,it's Razors kit , BTW.
 
if you r running 23-26 boost, i would say its normal. When i cranked up my boost with 42lb injectors my car did this. The alky is not just cooling, its making up fuel.
 
I'd say not abnormal...I have a dual nozzle kit and have the kit turned up pretty far, I can just about drain the tank with 2 10 sec. passes at the track.
 
Running 20# boost right now. Just installed the kit and still tweaking it.
 
I did about 4 or 5 8 to 12 second WOT runs at and level dropped nearly 2" in the reservoir. That seems like a lot to me. I can't see or smell any leaks. Anything else I should check? Oh, the gain knob is set at 6 ,it's Razors kit , BTW.

Why does that seem like alot?? Seems normal to me :confused:......when your pound'n the thing, expect to use.
 
if your comfort level is 20 lbs and thats where you want your boost, turn down the control a little at a time until u see knock, then turn it up a little. At 20 lbs you do not need a ton of alky to cool the charge.
 
also the reservior is like your fuel tank its not a perfect vessel ,
if your filled to the cap 2" may be a lot of fluid but if you are filled to the fill line 2" isnt very much because the container is tapered to fit the fender

average is an ounce per second and you say you were running 4-5 pulls 8-12 sec, thats anywhere from 40-70 seconds under boost so using about 50oz isnt unexpected
if you ever test the system youll see there is a considerable amount of pressure at 20psi and that the pressure seems to top out at 22 pounds of boost , so 20psi is using alot of alky, it has to because you are running more timing and could be on a stock ic , the better the IC the less you may need , the duttneck improves flow but its still just a stock core. hot summer air also needs more alky to keep the inlet temps down .

ive run a jug from the flat area near top to the low sender in 5 passes on a dual nozzle... thats close to 100oz at 23psi
im leaned back a little but still use about 1.5oz per second (m10 and an M15 nozzle)

time to be worried is when the bottle goes down without using it (leaking), or that it doesnt seem to go down (bad pump)

i highly recomend getting the alky tester from razor and check your system regularly for psi and you can also safely look for any leaks


how high do you fill your reservior ?
after looking at my last fast log when my correction went up through first gear and a recent log on another 600+ hp car using razors alky logging kit in which the pressure dropped out from 150+ to 63psi and only came back to 150psi well after the initial hit off the line I would recommend that faster cars keep it filled near the top at all times
 
Thanks Paulie, good stuff to know. I filled the reservoir to about 1" below the top. I noticed that at 20psi WOT I had an AFR of 10.2 to 10.4 , I upped the boost another 2 psi and the AFR went to 10.8 to 11.0 with no knock. I think I'll leave it there until I can get to the track. Man that "testing" was fun BTW :D
 
how high do you fill your reservior ?
after looking at my last fast log when my correction went up through first gear and a recent log on another 600+ hp car using razors alky logging kit in which the pressure dropped out from 150+ to 63psi and only came back to 150psi well after the initial hit off the line I would recommend that faster cars keep it filled near the top at all times

I agree totally. My car for example, i also fill it so u can see meth touching the flat part of tank. And I get warned for low Alky 2-3in below that. Even 2in above full line is nowhere near enough for a wot run. 2 1/4 mile passes maybe 3 tops and Im in the danger zone and will see presure drops. My dual nozzle is set just a Lil under 5 maybe 4 3/4
 
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