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Forum: Tech / General Engine
03-23-2009, 02:19 AM
Replies: 2
Views: 1,498
Posted By rhamm1320

3rd Gen Camaro in Haulin Azz

I program a game called Haulin Azz (http://www.haulinazz.com and would like to poll to see if there would be much interest in a 3rd Gen Camaro in my next build.

From the start, I had a 1st Gen,...
Forum: Tech / General Engine
01-28-2008, 01:47 PM
Replies: 6
Views: 40,695
Posted By rhamm1320

Re: 400 bored .040 = how many cubic inches?

Mathematically correct it should be called a 409. The common designation of408 probably gained popularity to keep from confusing it with the old 409 engines.
...
Forum: Tech / General Engine
09-20-2007, 05:35 PM
Replies: 5
Views: 463
Posted By rhamm1320

Re: Need engine advice

Since your already starting out with a 383, thats a nice boost to your torque curve. Here is the computer dyno run...

http://www.virtualengine2000.com/DynoRuns/0912074.jpg
...
Forum: Tech / General Engine
09-18-2007, 09:31 PM
Replies: 6
Views: 408
Posted By rhamm1320

Re: uh oh, no oil pressure!

How 'tired' is your engine? Also, has this happened slowly over time or all of the sudden?

I have seen different brands of oil (same viscosity) run at different pressures in the same engine. You...
Forum: Tech / General Engine
09-18-2007, 09:26 PM
Replies: 8
Views: 499
Posted By rhamm1320

Re: Car wont start!

Do you hear a click or anything? I very rough test to see if you battery is ok is to turn on your bright lights and honk the horn. If your horn sounds normal, you probably have a decent charge on the...
Forum: Tech / General Engine
09-18-2007, 09:21 PM
Replies: 6
Views: 556
Posted By rhamm1320

Re: finally fixed the miss... now...

Is it possible when you changed the plugs you got the firing order wrong? Sometimes you can be absolutely positive you have it right, then check it again and a couple are crossed.
Forum: Tech / General Engine
09-17-2007, 09:39 PM
Replies: 12
Views: 533
Posted By rhamm1320

Re: what else can it be?

When they 'go flat' at the top end, it usually is ignition. Its interesting that you are going lean though. Keep pluggin, you will get it - thats what the dyno is for.
Forum: Tech / General Engine
09-17-2007, 04:00 PM
Replies: 11
Views: 637
Posted By rhamm1320

Re: Ticking Noise... strange how it happened

I have never experienced it myself, but heard about it before. Do you think you could have digested any significant volumn of water? Hope not, good luck getting it firgured out and hope you get it...
Forum: Suspension and Chassis
09-17-2007, 02:36 PM
Replies: 8
Views: 3,891
Posted By rhamm1320

Re: Boxing Front Lower Control Arms

You can get your material here:

http://www.mcmaster.com

Put "steel plate" in the search and then you can select from a almost limitless combination of width and thickness. Then you only have to...
Forum: Fabrication
09-17-2007, 01:59 PM
Replies: 7
Views: 12,425
Posted By rhamm1320

Re: Floor pan replacement

Here is a Mustang article with pictures that may help:

http://personal.ecu.edu/boydd/tech/floorpans/floorpans.html

Keep in mind, how difficult or easy it will be will depend on your skills,...
Forum: Body
09-17-2007, 01:50 PM
Replies: 10
Views: 860
Posted By rhamm1320

Re: Shredding The Pounds

As a rule of thumb, you will reduce your 1/4 et by 0.1 sec per every 100#'s, so keep that in mind when weighing the gain vs hassle. If your car is a daily driver, I would reconsider keeping the spare...
Forum: Body
09-17-2007, 01:43 PM
Replies: 4
Views: 557
Posted By rhamm1320

Re: painting my car

Should work as long as the surface and any loose chips of paint are sanded down. The good thing with primer is if a area chips away, primer back on top of it :)

My personal opinion, but white...
Forum: Tech / General Engine
09-17-2007, 01:26 PM
Replies: 6
Views: 10,289
Posted By rhamm1320

Re: Ticking noise from the engine? Rocker arm or timing?

I agree it could be exhaust leak too. Look at everything before you start tearing into the whole engine and get to a point of no return.

I had a leak where my headers meet the heads and it sounded...
Forum: Tech / General Engine
09-17-2007, 01:18 PM
Replies: 11
Views: 637
Posted By rhamm1320

Re: Ticking Noise... strange how it happened

Does it feel like its down on power or missing? Also, is the sound at idle or does it go away when the rpm comes up? I agree, strange, hopefully is something simple or something that goes away on its...
Forum: Organized Drag Racing and Autocross
06-23-2007, 09:33 PM
Replies: 31
Views: 1,981
Posted By rhamm1320

Re: What will my combo put out?

Here is the computer dyno. I wasn't sure on the intake centerline and lobe seperation so I used the values of a similar camshaft.

http://www.hotrodink.com/Images/data/546/1zacharyhorn1.jpg
...
Forum: Tech / General Engine
05-20-2007, 06:29 PM
Replies: 3
Views: 457
Posted By rhamm1320

Re: what do yall think i will run in the 1/4 mile

I get around 12.7's. This was guessing you had about 380 hp and weight of 3400#

http://www.virtualengine2000.com/Calculator.htm

http://www.hotrodink.com/Images/data/546/1intex19821.jpg
Forum: Organized Drag Racing and Autocross
05-19-2007, 12:05 AM
Replies: 6
Views: 568
Posted By rhamm1320

Re: Any ideas on what it will run in the 1/4?

This will get you close, but you will not know exactly until you get to the track. You will need vehicle plus driver weight.

http://www.virtualengine2000.com/Calculator.htm
...
Forum: Tech / General Engine
05-10-2007, 11:36 PM
Replies: 7
Views: 3,921
Posted By rhamm1320

Re: What cubic inch is this? 4.145 bore 3.75 stroke

I don't like math that much, here is the easy way

http://www.virtualengine2000.com/Calculator.htm

http://www.hotrodink.com/Images/data/546/1FastEddiesIROC.jpg
Forum: Tech / General Engine
05-10-2007, 11:30 PM
Replies: 9
Views: 1,187
Posted By rhamm1320

Re: Can anyone guess how much horsepower I'll Have?

Here is the dyno simulations. Looks good, keep in mind these are the flywheel numbers.

http://www.hotrodink.com/Images/data/546/1stevenb1.jpg
...
Forum: Organized Drag Racing and Autocross
04-21-2007, 01:21 AM
Replies: 7
Views: 591
Posted By rhamm1320

Re: Opinions on this combo

Here are the computer outputs. I wasn't sure if you cam was a Hydraulic or Solid though.

http://www.caliwampus.com/Dyno/dyno6.jpg

http://www.caliwampus.com/Dyno/dyno7.jpg
Forum: Tech / General Engine
09-30-2006, 05:58 PM
Replies: 13
Views: 971
Posted By rhamm1320

Pretty close to what I got too. Not knowing the...

Pretty close to what I got too. Not knowing the exact head gasket bore and thickness, I adjusted the chamber cc's to get the CR

http://www.hotrodink.com/Images/data/546/1JohnnyBlaze1.jpg
...
Forum: Tech / General Engine
09-30-2006, 05:17 AM
Replies: 8
Views: 484
Posted By rhamm1320

I should be in bed, but noisy neighbors think...

I should be in bed, but noisy neighbors think since they are up at 5am, everyone should be :gocrazy:

http://www.hotrodink.com/Images/data/546/11987earthquake1.jpg
...
Forum: Organized Drag Racing and Autocross
08-08-2006, 11:58 PM
Replies: 3
Views: 427
Posted By rhamm1320

I didn't know what value to input for vehicle...

I didn't know what value to input for vehicle plus driver weight. Using 3600# gets mid to low 12's

Here is the link

http://www.virtualengine2000.com/FreeCalculator.htm
...
Forum: Organized Drag Racing and Autocross
07-31-2006, 04:34 PM
Replies: 14
Views: 581
Posted By rhamm1320

Not sure what your vehicle weight it, you can...

Not sure what your vehicle weight it, you can enter it from the hp estimate to see about what your et will be. I am guessing it will be low 13's

http://www.virtualengine2000.com/FreeCalculator.htm...
Forum: Organized Drag Racing and Autocross
07-31-2006, 04:12 PM
Replies: 47
Views: 1,709
Posted By rhamm1320

I wouldn't go too crazy over a 'exact' number on...

I wouldn't go too crazy over a 'exact' number on the dyno. Different brands, different locations, and different times of the year will affect the results. The Dyno computers try to correct for this,...
Forum: Organized Drag Racing and Autocross
07-31-2006, 04:01 PM
Replies: 16
Views: 469
Posted By rhamm1320

:goodjob: Never been past the semi's myself...

:goodjob:

Never been past the semi's myself - someday maybe...
Forum: Tech / General Engine
07-30-2006, 07:49 PM
Replies: 6
Views: 612
Posted By rhamm1320

Heat it up and melt a candle on the threads. The...

Heat it up and melt a candle on the threads. The wax will 'wick' up into the threads and lubricate.

For the heat, a little propane torch may or may not work. Its best to use a oxy-acetelene, that...
Forum: Tech / General Engine
07-28-2006, 11:07 PM
Replies: 15
Views: 971
Posted By rhamm1320

Camshaft may be going flat. Poping thru the carb...

Camshaft may be going flat. Poping thru the carb is usually a sign.
Forum: Tech / General Engine
07-19-2006, 05:59 PM
Replies: 11
Views: 1,000
Posted By rhamm1320

Thanks, good information to know. Here is where I...

Thanks, good information to know. Here is where I found the 58cc - like you said - it does say for Corvette

Car Craft's Head Flow Database...
Forum: Tech / General Engine
07-19-2006, 04:25 PM
Replies: 11
Views: 1,000
Posted By rhamm1320

You will want to 'watch' your compression ratio -...

You will want to 'watch' your compression ratio - Those heads only have a 58cc chamber and you are 0.060 overbore. Its getting up there if you still want to stay with pump gas.

Your head gasket...
Forum: Tech / General Engine
07-13-2006, 02:11 AM
Replies: 14
Views: 1,086
Posted By rhamm1320

You may already know this, but in case... Make...

You may already know this, but in case... Make sure you keep all the rod caps and main caps in order and as a pair so when rebuilt, they can go exactly back where they came from. You will save...
Forum: Tech / General Engine
07-13-2006, 02:05 AM
Replies: 7
Views: 2,845
Posted By rhamm1320

Of course, be sure you are rotating the engine in...

Of course, be sure you are rotating the engine in the 'running' direction. You can tell the intake a exhaust valve apart by where they line up with their manifolds (exhaust valve inline with exhause...
Forum: Organized Drag Racing and Autocross
07-12-2006, 07:50 PM
Replies: 10
Views: 836
Posted By rhamm1320

Cool! :thumbsup: I got the whole pass

Cool! :thumbsup:

I got the whole pass
Forum: Organized Drag Racing and Autocross
07-11-2006, 12:16 AM
Replies: 9
Views: 3,965
Posted By rhamm1320

That particular calculation is just a rpm to...

That particular calculation is just a rpm to speed conversion - the 1/4 mile is not factored in.

If that engine combo went that fast in the 1/4, I will start building one tomorrow ;)
Forum: Organized Drag Racing and Autocross
07-10-2006, 11:14 PM
Replies: 9
Views: 3,965
Posted By rhamm1320

Looks like your covered with either tire. I added...

Looks like your covered with either tire. I added 0.5" to compensate for high speed growth. The 26 @ 6500 rpm would get you about 137mph and the 28 @ 6500 is 147mph.

You will probably want to look...
Forum: Tech / General Engine
07-07-2006, 01:22 PM
Replies: 8
Views: 484
Posted By rhamm1320

:thumbsup: Glad you have it fixed

:thumbsup: Glad you have it fixed
Forum: Organized Drag Racing and Autocross
07-07-2006, 02:21 AM
Replies: 7
Views: 716
Posted By rhamm1320

The heads are limiting your upper rpms...

The heads are limiting your upper rpms horsepower, but the Torque looks good. Your ET's will be somewhere mid to upper 13's - depending upon your exact vehicle+driver weight

Sources:
...
Forum: Tech / General Engine
07-05-2006, 04:09 PM
Replies: 8
Views: 452
Posted By rhamm1320

That could be a cause, does it smell 'rich' at...

That could be a cause, does it smell 'rich' at the exhaust? Were any of the plugs fouled?
Forum: Tech / General Engine
07-05-2006, 04:07 PM
Replies: 17
Views: 577
Posted By rhamm1320

I use both. The standard version is good for...

I use both. The standard version is good for 'quick' runs - only takes a few minutes. If you put accurate info in, the results are pretty close.
Forum: Organized Drag Racing and Autocross
07-05-2006, 03:24 PM
Replies: 5
Views: 589
Posted By rhamm1320

Looks like low 14's. I adjusted the...

Looks like low 14's.

I adjusted the horsepower until the output matched your 1/8 mile mph (mph is more accurate than et because it is less affected by traction or lack of traction)

Here is the...
Forum: Tech / General Engine
07-05-2006, 01:17 PM
Replies: 8
Views: 484
Posted By rhamm1320

Is the firing order wrong? Or maybe on cylinder...

Is the firing order wrong? Or maybe on cylinder not firing at all?
Forum: Organized Drag Racing and Autocross
07-05-2006, 01:08 PM
Replies: 12
Views: 1,920
Posted By rhamm1320

About 13.4 I used your 271 rear wheel HP and...

About 13.4

I used your 271 rear wheel HP and converted to a estimated flywheel by dividing by 0.9

Then added 15 HP for the roller rockers for 316 HP

Virtual Engine Dyno...
Forum: Tech / General Engine
07-05-2006, 12:49 PM
Replies: 1
Views: 380
Posted By rhamm1320

On top of the valve cover? I would also look at...

On top of the valve cover? I would also look at the PCV, Breather and Fill cap.
Forum: Engine Swap
07-05-2006, 12:46 PM
Replies: 4
Views: 677
Posted By rhamm1320

I agree, check your starter mounting. I had to...

I agree, check your starter mounting. I had to drill a new hole in my block in a gravel driveway on my back because I didn't check the starter before installing the engine :mad:
Forum: Organized Drag Racing and Autocross
07-05-2006, 12:35 PM
Replies: 9
Views: 819
Posted By rhamm1320

Mid 14 as mentioned above. This is only a...

Mid 14 as mentioned above. This is only a estimate that does not factor in traction, chassis setup and aerodynamics. It is a good starting point though.

Free program if you want to play around...
Forum: Tech / General Engine
07-05-2006, 12:16 PM
Replies: 17
Views: 577
Posted By rhamm1320

Using www.virtualengine2000.com...

Using www.virtualengine2000.com (http://www.virtualengine2000.com) simulation software, I get a estimate of 311 flywheel horsepower and about 13.8 in the 1/4. In reality, it will probably take at...
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