How much do you need ?!
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Cargo Master
Joined: Aug 2000
Posts: 2,931
Likes: 12
From: SW Michigan
How much do you need ?!
Guys, we have been talking about manifolds and cylinderheads and stuff lately.....and I'm wondering how much power a man really needs ? Our trucks came from the factory with crappy intakes, horrible exhaust and smallish camshafts. Change these things and you can make some real power. 500 hp is very possible with your 390. But do you really want that much ? How many of you have ever twisted the input shaft off from your tranny ? Exploded a T-case ? Snapped a front or rear axle ? All these things are possible if you're making enough power. Anyway, I just needed to rant for a moment. I think I may have actually had this same thought before, but I couldn't find it on the search. I'm waiting for details on a 390 a guy built that pumped out 496Hp@5500 and 524Lbs-ft @ 4500. I'm hoping that he'll Email me soon. Yeah, stuff can get broken- But its still fun, ain't it ?! DF
Post Fiend
Joined: Feb 2001
Posts: 6,624
Likes: 8
From: Missouri
I'm waiting for my mini spool or axle to snap. Still don't know how the stock toothpick driveshaft is holding up. The only time you have too much power is when you can't get it to the ground Cal. Most people get older and settle down. The older I get the more spare money I have to spend on the truck!
Lead Driver
Joined: Apr 2001
Posts: 6,175
Likes: 21
From: Texas
I hear you! I feel pretty confident with my 2wd , C6 and Dana 60 rear. Don't see much weakness there. I could see where things get risky on a 4x4 real quick. This is the good thing about starting with a truck, and particularly a 3/4 ton truck. Just think about what all the car guys go through. Much more suspension, transmission and axle improvements are usually needed.
I need a strong traction improvement, limited slip or locker setup that is street friendly but makes a change at the boat slip or the drag strip..
I need a strong traction improvement, limited slip or locker setup that is street friendly but makes a change at the boat slip or the drag strip..
Posting Guru
Joined: Nov 2002
Posts: 1,260
Likes: 0
From: Napa
Originally posted by Ratsmoker
I'm waiting for my mini spool or axle to snap. Still don't know how the stock toothpick driveshaft is holding up. The only time you have too much power is when you can't get it to the ground Cal. Most people get older and settle down. The older I get the more spare money I have to spend on the truck!
I'm waiting for my mini spool or axle to snap. Still don't know how the stock toothpick driveshaft is holding up. The only time you have too much power is when you can't get it to the ground Cal. Most people get older and settle down. The older I get the more spare money I have to spend on the truck!
Senior User
Joined: Feb 2003
Posts: 395
Likes: 0
From: South Carolina
I think it's only natural that no matter how much power you have, the more you get used to the power and the limits of your truck, you always end up wanting to take it a little further. It's just too hard to leave it alone!
Lead Driver
Joined: Apr 2001
Posts: 6,175
Likes: 21
From: Texas
When I was assembling the FE446 and reattaching the C6, I was pondering the 4 wimpy looking bolts that transfer all of the power from the flex-plate to the torque-converter. Do these fail very often?
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Post Fiend
Joined: Feb 2001
Posts: 6,624
Likes: 8
From: Missouri
Never heard of it man. TCI does use thicker bolts on thier converters though. You have to make the holes on the flexplate bigger. The converter in mine is a modified stock but our engines don't hardly compare.
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Lead Driver
Joined: Apr 2001
Posts: 6,175
Likes: 21
From: Texas
My converter is also modified stock. I wish I knew more about what he did. It was the same person that rebuilt the C6 and he seemed to know what he was talking about. I guess I'll find out.
I did not want to go with a higher stall despite the bigger cam. I may still want to haul a big-**** boat with this beast. The motor should be making plenty of torque at low RPMs from the graphs I've seen.
I did not want to go with a higher stall despite the bigger cam. I may still want to haul a big-**** boat with this beast. The motor should be making plenty of torque at low RPMs from the graphs I've seen.
Post Fiend
Joined: Feb 2001
Posts: 6,624
Likes: 8
From: Missouri
Re: How much do you need ?!
Originally posted by dinosaurfan
I'm waiting for details on a 390 a guy built that pumped out 496Hp@5500 and 524Lbs-ft @ 4500. I'm hoping that he'll Email me soon.
I'm waiting for details on a 390 a guy built that pumped out 496Hp@5500 and 524Lbs-ft @ 4500. I'm hoping that he'll Email me soon.
Thread Starter
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Cargo Master
Joined: Aug 2000
Posts: 2,931
Likes: 12
From: SW Michigan
it was a 390
390, with flattop forged pistons, ported C8AE-H heads (with 2.11/1.65 valving ), and a BlueThunder intake. Don't know the carb size, do know the cam was a roller but don't know how big, or hydralic or solid. I'll keep trying to get the rest of the dyno #s and the cam specs. No forced induction, no N2O. The measurements were taken on an engine dyno after breaking in the new cam. DF
Postmaster
Joined: Jan 2003
Posts: 3,775
Likes: 2
From: Conway Arkansas
Hrm, speaking of power.... does anyone still do the online dyno graphs? I'd like to have one ofr my truck
Also, Im thinking my truck has .217 .172 valves
is that a right combination?
i forgot what they were, but i can find out
Also, Im thinking my truck has .217 .172 valves
is that a right combination?
i forgot what they were, but i can find out
Freshman User
Joined: Oct 2003
Posts: 35
Likes: 0
Try this link. http://www.auto-ware.com/software/es/eswin.htm I'm too cheap to buy it but I think it would be cost effective just to know which parts are needed, and which would be a waste of money.