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Old 08-05-2005, 07:01   #1 (permalink)
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run these numbers!

solid roller 262 int. @ 050 , and 272 ex. @ 050. The lift is 623 on int. and 649 on ex. The lobe sep is 106 and the int cl is 102.

4VCC With portplates on int and exh, Funnelweb 950hp holley

trw forged flat tops 0decked@11-1 comp, 1.750id 4-1 pipes

Iv'e only got to get some decent rods, 6000 series ferrea valves and some springs and I can start the machine work. may take a while as budget is somewhat family controlled!

This will endup in an XE Spac with C10 4500 stall and 4.88/1 9in for a bit of 1/8th fun

Any HP/TQ predictions and 1/8-1/4 ets?
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Old 08-05-2005, 07:24   #2 (permalink)
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Re: run these numbers!

Joe if it all works well, it should see 300rwkw and low 11's without much trouble, keep us updated, i am interested as it's similar to my combo.
Do you think that stall is big enough, i would have thought that cam would like at least 4800rpm, what rpm do you think it will make power too ?
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Old 08-05-2005, 07:27   #3 (permalink)
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Re: run these numbers!

Where do you buy exhaust plates, how well do they work ?
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Old 08-05-2005, 07:39   #4 (permalink)
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Re: run these numbers!

Quote:
Originally Posted by falcon coupe
Joe if it all works well, it should see 300rwkw and low 11's without much trouble, keep us updated, i interested as it's similar to my combo.
Do you think that stall is big enough, i would have thought that cam would like at least 4800rpm, what rpm do you think it will make power too ?
Not too sure bout the stall just yet but once it does come together I will send the engine to Bill Hansen in adelaide for a full dyno tune (engine dyno) and order a converter from there I guess.

As for power range reds (04vxe) is good to 7600 with stock heads and 256@50 roller I think from memory and a ram of course

Exhaust plates are tfc and I havnt got them in at the moment! theyre too hard to put in while putting the exhaust on in the car. they need a bit of grinding to make em fit.
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Old 08-05-2005, 14:35   #5 (permalink)
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Re: run these numbers!

Quote:
Originally Posted by xyfmtjoe
solid roller 262 int. @ 050 , and 272 ex. @ 050. The lift is 623 on int. and 649 on ex. The lobe sep is 106 and the int cl is 102.

4VCC With portplates on int and exh, Funnelweb 950hp holley

trw forged flat tops 0decked@11-1 comp, 1.750id 4-1 pipes

Iv'e only got to get some decent rods, 6000 series ferrea valves and some springs and I can start the machine work. may take a while as budget is somewhat family controlled!

This will endup in an XE Spac with C10 4500 stall and 4.88/1 9in for a bit of 1/8th fun

Any HP/TQ predictions and 1/8-1/4 ets?

There isn't enough information to make any sort of reasonable prediction. A lot of important details are left out, including many environmental conditions, tire type and size, vehicle and driver weight, etc...etc.


MPH Gear Tire RPM Slip%
114.7 4.88 26.0 7678 6.0

Est 60 foot ET: ( 37.0 mph) 1.72
Est 1/8 mile ET: ( 93.3 mph) 7.39
Est 1/4 mile ET: (114.7 mph) 11.88
Optimum stall: 5126
Optimum 1/4 mile Gear: 5.06
Optimum 1/8 mile Gear: 6.23
Gross Horsepower (approx): 515.00
Net Horsepower (estimated): 393.60

Based on a calculation of a track at sea level. Altitude density correction would be required. I also estimated an ambient air temperature of 70*F and a relative humidity of 65%, but there are many more variables that need to be considered.

As you can see, 4.88 is not nearly enough gear for an 1/8th mile ride. Get a 6.14 and feel it launch.


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Old 08-05-2005, 14:58   #6 (permalink)
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Re: run these numbers!

It should run high 10's fairly easily.Eighth mile should be mid to high 6's.I think the stall is plenty with your rear end combo,is it a street car?
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Old 08-06-2005, 03:53   #7 (permalink)
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Re: run these numbers!

Quote:
Originally Posted by xyfmtjoe
solid roller 262 int. @ 050 , and 272 ex. @ 050. The lift is 623 on int. and 649 on ex. The lobe sep is 106 and the int cl is 102.

4VCC With portplates on int and exh, Funnelweb 950hp holley

trw forged flat tops 0decked@11-1 comp, 1.750id 4-1 pipes

Iv'e only got to get some decent rods, 6000 series ferrea valves and some springs and I can start the machine work. may take a while as budget is somewhat family controlled!

This will endup in an XE Spac with C10 4500 stall and 4.88/1 9in for a bit of 1/8th fun

Any HP/TQ predictions and 1/8-1/4 ets?
who spec'd the cam?, a roller of that duration should have more lift than that! Heck you can get a flat tappet with less duration and more lift!
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Old 08-06-2005, 04:03   #8 (permalink)
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Re: run these numbers!

Quote:
Originally Posted by xrgt
who spec'd the cam?, a roller of that duration should have more lift than that! Heck you can get a flat tappet with less duration and more lift!
Dunno what the combo was for the custom grind but I felt it would be better in something you dont want to put fresh springs in every other meeting! It will suit my needs well at a budget I can afford!

What you dont think its big enough?
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Old 08-06-2005, 04:33   #9 (permalink)
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Re: run these numbers!

Quote:
Originally Posted by xyfmtjoe
What you dont think its big enough?
The cam is plenty big enough.I run a cam with a lot less lift & duration than yours & still run reasonable numbers.
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Old 08-06-2005, 04:49   #10 (permalink)
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Re: run these numbers!

Quote:
Originally Posted by balinor
The cam is plenty big enough.I run a cam with a lot less lift & duration than yours & still run reasonable numbers.
I agree its big enough i certainly wont go any bigger than this! the engines currently got an F-246 and as we all know once you get used to good power you always want more!



Quote:
Originally Posted by davis
There isn't enough information to make any sort of reasonable prediction. A lot of important details are left out, including many environmental conditions, tire type and size, vehicle and driver weight, etc...etc.
average day 25c 26x9.5 MTs an XE falcon would weigh around 3300lb loaded at a guess and my weights um ahh hmm let me see hey look at the kitty ok ok about 265lb
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