C16 or E85
Thread Starter
Teching In
Joined: Feb 2016
Posts: 30
Likes: 16
C16 or E85 Motor build for an offroad tube buggy.
Lq4 411, CP 10cc dome pistions, .026 head gasket, 68CC heads. My static compression is 14.2:1. My cam is a 247/257 110.5 lobe separation, 106.5 Centerline on intake side. If I did my math right that comes out to 11.31 Dynamic compression. I am torn between running e85 or buying 116 Octane from VP or Renegade. I know I am on the limit with my static compression with E85 but since my Dynamic compression is quite a bit lower I shouldn't have as many issues. Pros or Cons of each fuel?
Lq4 411, CP 10cc dome pistions, .026 head gasket, 68CC heads. My static compression is 14.2:1. My cam is a 247/257 110.5 lobe separation, 106.5 Centerline on intake side. If I did my math right that comes out to 11.31 Dynamic compression. I am torn between running e85 or buying 116 Octane from VP or Renegade. I know I am on the limit with my static compression with E85 but since my Dynamic compression is quite a bit lower I shouldn't have as many issues. Pros or Cons of each fuel?
TECH Addict
Joined: Oct 2016
Posts: 2,513
Likes: 480
From: PDX-OR-USA
Cost.. 
You can run 100% Methanol cheaper than C16. Or at least its that way in my part of the country..
And the methanol in a steel drum stores well and doesn't go bad.. E100 is the same, usually if you can buy E85
the same fuel distributor has E100 at their yard, and its relatively inexpensive compared to race gas. Especially
if they are setup to fill drums. Whether you run E100 or Methanol, use a quality top end lube in the fuel to protect the
system. You'll want the fuel system set up so you can easily drain it completely,
The sprint car engine tech is where all the good alcohol tech is at.
You can run 100% Methanol cheaper than C16. Or at least its that way in my part of the country..And the methanol in a steel drum stores well and doesn't go bad.. E100 is the same, usually if you can buy E85
the same fuel distributor has E100 at their yard, and its relatively inexpensive compared to race gas. Especially
if they are setup to fill drums. Whether you run E100 or Methanol, use a quality top end lube in the fuel to protect the
system. You'll want the fuel system set up so you can easily drain it completely,
The sprint car engine tech is where all the good alcohol tech is at.
Thread Starter
Teching In
Joined: Feb 2016
Posts: 30
Likes: 16
I am running the Holley Term x system so 100% methanol is out, I have access to 55 gallon drums of 100% denatured ethanol used in the chemical industry. Part of me is curious if I could cut it down to E95 or E90.
Teching In
Joined: Apr 2019
Posts: 32
Likes: 8
From: Houston
My set up is similar to yours 419 stroker aftermarket heads Holley high ram big cam etc 14.1:1 compression and im going to be running E92 from a company here in Houston that mixes their own e85 and also im going to be trying out M5 fuel from VP I was told just by switching to M5 is 50-70hp difference so will see!
Motor build for an offroad tube buggy.
Lq4 411, CP 10cc dome pistions, .026 head gasket, 68CC heads. My static compression is 14.2:1. My cam is a 247/257 110.5 lobe separation, 106.5 Centerline on intake side. If I did my math right that comes out to 11.31 Dynamic compression. I am torn between running e85 or buying 116 Octane from VP or Renegade. I know I am on the limit with my static compression with E85 but since my Dynamic compression is quite a bit lower I shouldn't have as many issues. Pros or Cons of each fuel?
Lq4 411, CP 10cc dome pistions, .026 head gasket, 68CC heads. My static compression is 14.2:1. My cam is a 247/257 110.5 lobe separation, 106.5 Centerline on intake side. If I did my math right that comes out to 11.31 Dynamic compression. I am torn between running e85 or buying 116 Octane from VP or Renegade. I know I am on the limit with my static compression with E85 but since my Dynamic compression is quite a bit lower I shouldn't have as many issues. Pros or Cons of each fuel?
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