What would you get?

[Skandocious]

Ok 6 or 8 cyl?

Edit* Why not run twin taurus fans set vertical? rotate 90* cc in pic.

I've seen a heavy wheeling bronco guy do it but the shrouds had to be modified and he had to push some serious power. Just 1 Taurus fan was pulling too much power for my old 95amp alternator-- had to swap to a 130amp. When I used to switch it on high with other accessories running, my radio would momentarily lose power and reset itself because the damned fan was pulling so much. I would dare add a 2nd one. A single tbird covers ALMOST the entire radiator and it keeps my truck plenty cool in stop and go traffic on a hot day.

And this fan comes in tbirds with the 3.8L and the 4.6L.

 

[FordF-SuperDuty]

you could run a dual alt setup couldn't you.

 

[dragogt]

Why? they make 200+ amp alts..

 

[Skandocious]

I read an article talking about how there is an upper limit for the alternator that you can use on a truck with a stock serp belt system-- because the more power your putting out, the more load the alternator is creating. And it was saying that putting a 200+amp alternator on one of these trucks would just make the belt slip at max output.

 

[dragogt]

So what about a pulley change??

 

[FordF-SuperDuty]

Or duals like like superduty does

 

[Skandocious]

I suppose that might help... But the point is Aaron, that you don't NEED two fans. Just 1 tbird fan supplies plenty of air for my 5.8, and covers almost the entire rad.

Why are you beating the dead horse?

 

[dragogt]

I read an article talking about how there is an upper limit for the alternator that you can use on a truck with a stock serp belt system-- because the more power your putting out, the more load the alternator is creating. And it was saying that putting a 200+amp alternator on one of these trucks would just make the belt slip at max output.

I had pretty much dropped the e-fans, I was more referring to this ^^ for all your other power robing needs.. Lights, stereo, etc you know the necessity's.. lol

 

[m78]

How about a savings account. In case something brakes and needs immediate repair.
Nice to have back up finances

Probably not to popular of an idea

 

[dragogt]

Hey Jurgen what about this? http://www.summitracing.com/parts/CRN-6000-6301/ ... https://secure.pawengineparts.com/shoppingcart/showpage.cfm?catid=307

 

[wizzard351]

ive run spray on my 71 for years never had an engine fail from NOS. make shure timing is set rite and ya have hi test gas in your tank. its the best bang for your buck when biuldin power. i will say tho the 10lb bottle dont last long, ive swaped mine out for a 20lb. you can use a CO2 bottle from a fountain drink dispencer and just thro a HI-FLO valve on it and itll hold 20lbs of nos

 

[F 150Cobra]

Hey Jurgen what about this? http://www.summitracing.com/parts/CRN-6000-6301/ ... https://secure.pawengineparts.com/shoppingcart/showpage.cfm?catid=307

thanks but ignition is top notch i got this kit

http://www.summitracing.com/parts/PNX-COMBOSBFB/

ive run spray on my 71 for years never had an engine fail from NOS. make shure timing is set rite and ya have hi test gas in your tank. its the best bang for your buck when biuldin power. i will say tho the 10lb bottle dont last long, ive swaped mine out for a 20lb. you can use a CO2 bottle from a fountain drink dispencer and just thro a HI-FLO valve on it and itll hold 20lbs of nos

maybe next year ill get the NOS motor is too fresh now

 

[dragogt]

No prob, I didn't know what you had.

 

[F 150Cobra]

im gonna get these..

http://www.summitracing.com/parts/QTP-QTEC50/

open headers performance on a flip of a switch!! and close it and no mr police officer its not my car that sounds soo loud!

 

[dragogt]

Have fun.

gd10cl

 

[Truckin4life]

im gonna get these..

http://www.summitracing.com/parts/QTP-QTEC50/

open headers performance on a flip of a switch!! and close it and no mr police officer its not my car that sounds soo loud!

Engine is carbed you are likely goin to burn a valve with open headers with out changing your jets...
EFI your good to go, o2 sensor will pick up on the changes... As long as it is before the cut outs.

 

[F 150Cobra]

Engine is carbed you are likely goin to burn a valve with open headers with out changing your jets...
EFI your good to go, o2 sensor will pick up on the changes... As long as it is before the cut outs.

why do you burn a valve with open headers?? im not bieng a smartass just asking here

 

[blackhat620]

How about a savings account. In case something brakes and needs immediate repair.
Nice to have back up finances. Probably not to popular of an idea

Your going to race so you are going to start breaking stuff. The repairs are going to start to add up.

im gonna get these..open headers performance on a flip of a switch!! and close it and no mr police officer its not my car that sounds soo loud!

You may want to check your local laws, in most jurisdictions just the presence of cutouts is illegal. Any officer that has been on the job very long will quickly figure out the "cutout" scenario and all they have to do is look under your truck and it is game over.

From a performance stand point cutouts will most likely reduce your performance. Any time you change the flow characteristics of an engine the performance changes. By changing the exhaust flow you will change backpressure and scavenging effects usually resulting in lower performance. Also you may very well lean out the mixture which can result in serious engine damage. If the engine is "properly tuned" changing a component without "re-tuning" the engine will decrease performance. You have a non-computer controlled, carburated engine. You cannot go changing things on the fly without "re-tuning"

 

[F 150Cobra]

Your going to race so you are going to start breaking stuff. The repairs are going to start to add up.




You may want to check your local laws, in most jurisdictions just the presence of cutouts is illegal. Any officer that has been on the job very long will quickly figure out the "cutout" scenario and all they have to do is look under your truck and it is game over.

From a performance stand point cutouts will most likely reduce your performance. Any time you change the flow characteristics of an engine the performance changes. By changing the exhaust flow you will change backpressure and scavenging effects usually resulting in lower performance. Also you may very well lean out the mixture which can result in serious engine damage. If the engine is "properly tuned" changing a component without "re-tuning" the engine will decrease performance. You have a non-computer controlled, carburated engine. You cannot go changing things on the fly without "re-tuning"

ohh ok ok ! but my cut outs are not directly behind the headers but a little farther..

nway i understand now btw what is a symptom of a burned valve??

here you can see the exhuast it was the day at the muffler shop

 

[F 150Cobra]

#1. The valve damage theory as per exhaust gas,
or atmosphere is a myth. Exhaust valves cool
when they are seated on the exhaust seat via the
cooling system (water jackets), oiling system
(valve guides).

Otherwise, the exhaust valve is subjected to about
1500 degrees F on average throughout the cycle
(typical gasoline performance engine).

If any air is reverted back to the exhaust valve,
it will come in the form of a reflected wave,
but we're talking ambient temperatures of
60'F-90'F within a period of milliseconds. This
is not enough time to cool the valve to a point
of damage. If anything, the valve temperature may
reduce 40 'F from the reflected pulse.

What normally happens is the air fuel ratio will
go lean when you run an open headers because of the
increased air flow.

You must then adjust timing, and jetting (fuel pressure/
injector timing) to restore the fuel ratio.

If anything, you can overheat the chamber and heads
to cause damage to the valves when running open
headers, but that is only under extreme lean conditions.

When I raced my old Z28 with open exhaust, I would
normally jet up 2-3 sizes depending on the weather
conditions to maintain the proper fuel ratio.

#2. The exhaust valve is never open when the
intake valve is closed AND the piston is moving
downward. Therefore the piston is not responsible
for sucking exhaust gas back into the chamber.
Any bit of exhaust reversion is from the low pressure in the cylinder at TDC during
the valve overlap period when the intake pulse
is at a lower pressure value than the reverted
exhaust pulse.

#3. Engine braking occurs during the compression
stroke when both valves are closed. The piston
builds pressure against the closed valves and
slows down the piston speed...which slows down
the crankshaft...and slows down the drive-train.

#4. The only performance loss from running open
headers comes from a shifted torque and HP peak
UP the RPM band. You will notice a decrease in
torque at lower RPM due to the shorter secondary
exhaust length.

The car should go faster down the track, or at
least trap a higher MPH due to the increase in
power.

To restore the torque without restrictions of
cat(s), mufflers, etc., you can calculate the
proper tuned length and fabricate collector
extensions such as these:



Using software and valve timing, you can tune
the exhaust to gain TQ and HP anywhere you want
in the desired operating range of your motor.