[DeTomaso] Engine Install Picts

[GW]

Obviously, that was just the base line for the understanding.



Thomas Tornblom wrote:
> GW skrev:
>> HP = (RPM X Torque) / 5252    This means when RPM = 5252 HP and TQ 
>> are the same. If you google Dyno graph (image) you will see all dyno 
>> graphs intersect at 5252 RPM.
>
> That is not the issue here. The issue is that max TQ and max HP are 
> not normally at the same rpm, unless the torque falls drastically at 
> that rpm, like when an RPM limiter kicks in.
>
> If you look at Brents curves you see that the TQ curve is very flat, 
> which means that HP is more or less proportional to RPM. When the TQ 
> starts falling, the power increase with rpm starts to go down until at 
> one point TQ has fallen to the point where you will have max HP, and 
> anything above that results in both power and TQ falling.
>
> The 5252 figure is a constant to correct for the torque and power 
> units. If you use the metric system you will not have any such 
> constant, all the units will already fit without any need for them.
>
> Thomas
>
>>
>> Gary
>> /http://www.rc-tech.net/pantera1/index.htm/
>>
>> Thomas Tornblom wrote:
>>> Brent Stewart skrev:
>>>  
>>>> Hi Thomas,
>>>> It was tested up to 6800. I don't quite understand it either, but 
>>>> do take a look at the graph of HP vs TQ - make sense? comments?
>>>>     
>>>
>>> Ah, I see there is a TQ spike at 5800, and also one at around 5200. 
>>> Either a dyno fluke or possibly some resonance in the induction or 
>>> exhaust that makes it spike there.
>>>
>>> Removing them, max TQ appears around 5600 and max HP around 6000, 
>>> which sounds more normal.
>>>
>>> A stout motor in any case!
>>>
>>> Cheers,
>>> Thomas
>>>
>>>
>>>  
>>>> http://www.poca.com/index.php/gallery/?g2_itemId=19634
>>>>
>>>> thanks,
>>>> brent
>>>>
>>>> ------------------------------------------------------------------------ 
>>>>
>>>> *From:* Thomas Tornblom <thomas at hax.se>
>>>> *To:* DeTomaso at realbig.com
>>>> *Sent:* Mon, April 26, 2010 8:32:23 PM
>>>> *Subject:* Re: [DeTomaso] Engine Install Picts
>>>>
>>>> Brent Stewart skrev:
>>>>  > Well, if I must :-)
>>>>  >
>>>>  > Dyno shows max 571 HP @ 5800 rpm, max 517 TQ at 5800 rpm as well.
>>>>
>>>> Very nice!
>>>>
>>>> Did you stop the dyno run at 5800? I don't see how you could have 
>>>> max HP
>>>> and max TQ at the same rpm otherwise.
>>>>
>>>> Cheers,
>>>> Thomas
>>>>
>>>>  >
>>>>  >
>>>>  >
>>>>  > OEM 351C
>>>>  > SCAT 3.85 CRANKSHAFT-INTERNAL BALANCED
>>>>  > SCAT H BEAM RODS
>>>>  > CUSTOM ROSS PISTONS
>>>>  > CUSTOM BENNETT HYDRAULIC ROLLER CAM
>>>>  > FORD MOTORSPORT TIMING CHAIN
>>>>  > ATI BALANCER
>>>>  > ARP HEAD BOLTS
>>>>  > CRANE LINK BAR HYDRAULIC ROLLER
>>>>  > LIFTERS
>>>>  > COMP CAMS PUSHRODS
>>>>  > HARLAND sharp ROLLER ROCKERS
>>>>  > CHI 228 ALUMINUM 351c HEADS
>>>>  > CHI INTAKE
>>>>  > MSD BILLET DISTRIBUTOR
>>>>  >  > Specs from the build:
>>>>  >  > Bore: 4.030
>>>>  > Crank: Scat 3.850 9000 series
>>>>  > Balance: internal zero
>>>>  > Cam: 3018F-3039B 112
>>>>  > Intake Lobe: 242 @ .050 .366 LL
>>>>  > Exhaust Lobe: 250 @ .050 .363 LL
>>>>  > Lobe separation: 112
>>>>  > Pistons: Ross
>>>>  > Rods: Scat 6.00 H beam
>>>>  > Lifters: Crane link bar hydraulic
>>>>  > roller
>>>>  > Heads: CHI 228 3V
>>>>  > Pushrods: 7.850 Com cams HD
>>>>  > Rocker Arms: Harland sharp 4005
>>>>  > If this doesn't work out,  I go Windsor :-)
>>>>  >
>>>>  >
>>>>  >
>>>>  >
>>>>  > ________________________________
>>>>  > From: "MikeLDrew at aol.com <mailto:MikeLDrew at aol.com>" 
>>>> <MikeLDrew at aol.com <mailto:MikeLDrew at aol.com>>
>>>>  > To: bjbstewart at yahoo.com <mailto:bjbstewart at yahoo.com>; 
>>>> DeTomaso at realbig.com <mailto:DeTomaso at realbig.com>
>>>>  > Sent: Mon, April 26, 2010 3:07:31 PM
>>>>  > Subject: Re: [DeTomaso] Engine Install Picts
>>>>  >
>>>>  >
>>>>  > In a message dated 4/25/10 22 04 18, bjbstewart at yahoo.com 
>>>> <mailto:bjbstewart at yahoo.com> writes:
>>>>  >
>>>>  >
>>>>  >
>>>>  > Just wanted to share a few pictures - I had a few of the PCNC 
>>>> guys over to help me put my new stroked Cleveland in.
>>>>  >
>>>>  > Brent--tell us about the engine.  Specs/dyno numbers etc.?
>>>>  >
>>>>  > Mike
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