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Making the switch to e85, do I still want to run meth? I've been gathering up all the parts that I need for my changeover and I'm wondering if I should still keep my meth injection now that I decided to go e85? |
Not generally needed. |
If your E85 is like ours in PA, you may want to verify the ethanol content. If we get over E70, it's a surprise. If you're running "race" or verified E85, I don't think you'd need it. |
Originally Posted by Bad Apache
(Post 19087182)
If your E85 is like ours in PA, you may want to verify the ethanol content. If we get over E70, it's a surprise. If you're running "race" or verified E85, I don't think you'd need it. . |
E85 test kit. It's a little tube that the ethanol and gas separate in to show ethanol content. Very easy and can fit in your pocket. |
Originally Posted by MY_2K_Z
(Post 19087377)
E85 test kit. It's a little tube that the ethanol and gas separate in to show ethanol content. Very easy and can fit in your pocket. |
The knock threshold difference between 70% and 85% ethanol is VERY little. Most builds would notice little difference between the two. Guys making 1000+ at the wheels on E50 @ 10:1 with basic LS setups. IMO there's no reason to not run water/meth injection with e85 if it's already installed. I'd suggest a smallish nozzle (5-7gph) with 50/50 to help cool the CC. It's cheap added insurance. |
If I were to run it should I bring it in early like I have or set it up to come in at a higher boost level. If I could eliminate the system all together I wouldn't mind it |
I'll be running both. Flex fuel setup so when I'm on 93 the meth will still come in handy. |
If I'm going to run just e85 should I bother with meth though? If I don't need it I'd rather eliminate it |
Originally Posted by lmt0705
(Post 19088543)
If I'm going to run just e85 should I bother with meth though? If I don't need it I'd rather eliminate it |
I'm looking to be in the 11-1200 range. I'm in a heads up class and I'm really heavy so I need to push this combo as far as it will go |
Originally Posted by Forcefed86
(Post 19088326)
The knock threshold difference between 70% and 85% ethanol is VERY little. Most builds would notice little difference between the two. Guys making 1000+ at the wheels on E50 @ 10:1 with basic LS setups. IMO there's no reason to not run water/meth injection with e85 if it's already installed. I'd suggest a smallish nozzle (5-7gph) with 50/50 to help cool the CC. It's cheap added insurance. |
Is car intercooled at all? It wouldnt hurt to leave it to keep iats cooler if not intercooled. If it is intercooled i wouldnt bother with it |
Originally Posted by Orr89rocz
(Post 19091375)
Tell that to the pa e85 guys We rarely get over 70% here in KS, I run it alot. |
I'm actually upgrading to a big bell intercooler |
1 Attachment(s) It is interesting to note that the blending response of RON and MON as a function of ethanol content is highly nonlinear. There is a substantial octane improvement between Regular Gas (RG) and E10, and between E10 and E50. However, between E50 and E85 there is very little difference in either RON or MON. It is well-established that properties of ethanol gasoline blends, such as Reid vapor pressure, do have nonlinear responses. Goes in depth in the link below. http://www.nav200.delphi.com/pdf/tec...10-01-0619.pdf |
Wtf! I can't read that much! Lol so basically anything over e50 I won't see much of a difference is what I take from this right? |
Originally Posted by lmt0705
(Post 19091586)
Wtf! I can't read that much! Lol so basically anything over e50 I won't see much of a difference is what I take from this right? I think Zbrown has pretty much proven this point making 1200 hp plus on a 10:1 LS on E50. |
What's your opinion on me running meth forcefed86? Should I skip it? |
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