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I was talking to a fellow whose brother has a 900HP mustang running E85. I didn't get into detail about what compression he is running .. I wished I asked... but the car is EFI. I know it's doable but was interested in the pros and cons of E85. I would like to hear the way you make more HP with...

Have any of you fine mopar maniacs ever have the idea of switching to E85 fuel? (For the sake of reference, an idea stoichiometric air/fuel ratio for gasoline is 14.7:1, but only 9.765:1 for E85.) Fuel economy suffers about the same percent. The fuel-heavy mix has a cooling effect, allowing for...

I don't have a bit of trouble with my aluminum headed 10.8 small block 360 in my cuda.

IMM Engines insisted I not go over 9.4 on the 408 stroker engine he is building for me using pump gas in my daily driver dodge ram. Pump gas is crap and it isn't getting any better. I'm running a 5.9 engine in it now ...completely stock engine with add ons with a SCT tune on it using 93 octane...

Ever thought about going with a roller cam?

Talk to Mike at B3 Racing Engines LLC - Performance Engine Building and Mopar Valvetrains He is a member on here as well. I gave him my set up information and he went out of his way to help me. I went with 1.6 rockers as he advised and every thing went great.

Is there a such thing is alcohol/methanol friendly needle and seat O-rings? If so wouldn't these withstand ethanol gas better? Heck I bought non-ethanol gas.... added fuel Stabil fuel stabilizer and it still ate the O-rings up. I'm thinking some gas stations say that they have non ethanol but...

No..... but this what I have March Performance I guess I should have not spoke up since this is a big block forum...lol Forget to look at what I'm posting on. The adjustment system type is just like the one you're contemplating. It works really well. I bought the March pulley kit for my small...

On the bracket the belt tightening system works like a champ. It will not give in either direction.

The 383 will devour the 600 CFM might even lean out on you at WOT. Its venitures are smaller. The 600 will get you to the grocery store. lol! Definitely go with 750. I ran a 750 Holley on a well built 383 for a long time the engine loved that carb. I was thinking about going 800 cfm but never...

:notworth: You win! :prayer:

I try to help all I can. They did? I'm not old enough to know that. Was that in the 50's?

I had the same problem and I fixed it with this

I tried a single plane on a 10:1 comp 383 with a 484 mopar cam and it was lame. I changed to a performer intake and it spiced things up. The engine was in a 68 charger. I installed 4:10 gears with 275/60/15s and a 2800 stall converter. That car was fun!

I thought this was a indication of a lean condition. I know it is in then motorcycle world. You might need a bigger carb. Friend of mine had to have a 900 cfm (I believe it was) sent off to a carb guru so it flow enough fuel for a big block chevy. The carb had more work done to it than just...

I remember now mine had 906 heads

This might help. Its a calculator. Theres some more on the internet. http://www.ringpinion.com/Calculators/Calc_RPM.aspx

I had a 383 built just like you mentioned except it had a .484/.484 Mopar Performance cam, Performer intake, 750 cfm holley, headers, and it was nothing close to weak. Also it had stock 383 heads... I wonder if the 440 heads is killing it? It was however in a 68 Charger with 2800 stall...

Nice!

Flaring tool kit isn’t that expensive are they?

Very well spoken sir!

Well it really depends on what you have done to the engine. More info on the engine would be nice.

Timing is off

I had a built 383 in my 68 Charger and that thing was wicked. I could imagine a 383 stroked... wow!

What is still made in the USA anymore? Even Harley Davidson has parts coming from Japan. I saw a bar code that had Harley Davidson on it but had "Made in Japan" on it also. Saw this on a motorcycle thread in which we was discussing the very same thing.

If I ran one of these mopar magazines that's what I would do. Buy up all the cheap parts put it together and put it on a dyno.

I'm not saying your experience was false but how does stainless steel rust? Was they really Dynomax? http://www.dynomax.com/mufflers.php?muffler=ultraflowelded

Yeah anything over 500HP I would use 3"

I run this carb.... best carb I have ever owned!! Don't do it.... talk to Dynamic Converters or Lenny at Ultimate converter. These converters beat a off the shelf because they are custom made for your car. They might might suggest a higher stall but don't be shocked... they know what their...

I would get another set of heads.