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I wanna turbo the stang...... I got questionz..

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Old Nov 28, 2002 | 08:17 AM
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Originally posted by "FordMan"

Glad to see you are a SBF expert now. But just one example to proove your theory wrong I know of one SBF for sure that makes almost 700 h.p. without a power adder ! Watched it on the rollers myself and I probably have the video somewhere. Oh BTW it is naturally aspirated ! :o So bust out the calculation on that one.

I could probably find dozens upon dozens of examples of SBF that can defy your theory but I am not going to waste my time with it. It would be like me telling you about pot smoking, I know nothing about it.
Yeah, dozens of examples in fantasy land.

With the right head work, cam and pistons you could get a little over 2 HP/CI out of a NA 5.0, so 700 HP is possible but as I said it would take a lot of money, race hardware and it would not be a very streetable motor.

How about you post even one example of any 5 litre putting out over 450 HP without either a power adder or race hardware (and high compression pistons and radical cams are race hardware you know).

Good luck.

The fact that there arn't any is the reason why I know you are not going to bother with even one example of such a feat.

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Old Nov 28, 2002 | 11:27 AM
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Larry's car has: stock block, crank, rods, TRW stock replacement pistons, GT-40P heads with no porting, Edelbrock Performer RPM intake with no porting, 65mm throttle body, 1 5/8 shorty headers, and .498 lift hydrolic cam. Car made 356 rwhp. It should figure out to be a hair over 400 at the flywheel. I know it's not 450, but after we get the heads off and give the a little port job, hopefully it will be closer to that number. Car can run on 93 all day long, go to the track and run low 11's, and really isn't to expensive to build. My own car with a 30,000 stock short block and same top end made 331 rwhp on pump gas.
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Old Nov 28, 2002 | 02:04 PM
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Originally posted by "T/S #25"

Larry's car has: stock block, crank, rods, TRW stock replacement pistons, GT-40P heads with no porting, Edelbrock Performer RPM intake with no porting, 65mm throttle body, 1 5/8 shorty headers, and .498 lift hydrolic cam. Car made 356 rwhp. It should figure out to be a hair over 400 at the flywheel. I know it's not 450, but after we get the heads off and give the a little port job, hopefully it will be closer to that number. Car can run on 93 all day long, go to the track and run low 11's, and really isn't to expensive to build. My own car with a 30,000 stock short block and same top end made 331 rwhp on pump gas.
Thank you very much for the real world example.

My family's shop has put together dozens of motors like the one you just mentioned and those are the kind of results I would expect.

I will let FM continue to fantacise that there are 300 or 400 extra horsepower waiting to be tweaked out of such a configuration without a power adder getting involved.

Perhaps if he wants to refer to an all aftermarket engine with 12+:1 compression and a high lift cam pushing around 300 degree durations that can reliably spin around 7000 RPMs we MIGHT get close the 700 HP point he mentioned at one point in this thread. I'd like to see someone put and engine like that into their daily driver. Doesn't DrDirt have a configuration close to this? Perhaps he can tell us what kind of HP he is getting without a power adder.

Leave it to FM to argue that high compression pistons, large port/large valve aluminum heads, aftermarket headers and high-lift and/or long duration cams are not racing hardware. What are they then, factory replacement parts?

Refer to the Ford Mags and internet hearsay all you want FordMan. Next time I go to Daytona I will take my camera with me and take a few pics of some nice NA small blocks being put together for you that can really put out around 500 HP.

While I am there I will be sure to tell them about your mythical 700 HP stock block 5.0 so we all can have a good laugh.
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Old Nov 28, 2002 | 02:55 PM
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dirt has a stock bottom end with over 130k on it. it runs pretty damn good!
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Old Nov 28, 2002 | 03:53 PM
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I have agreed that its possible with a turbo though it would be risky to generate that kind of power for long without some upgraded internals.

What I stronly disagree with FordMan on is that he thinks that kind of power is possible with a normally aspirated stock shortblock.

As I have said its possible to get that kind of power from a NA 5.0, but there will be nothing stock about pulling it off.

I have also been lucky enough to ride in a 600+ HP 935 race car which to most people would just appear to be a stepped up version of my car, but it takes quite a bit of aftermarket components for a 3.4 L engine to repeatedly put out that kind of power for almost 24 hours.
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Old Nov 28, 2002 | 09:50 PM
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Originally posted by "400HP930"

Originally Posted by FordMan
Glad to see you are a SBF expert now. But just one example to proove your theory wrong I know of one SBF for sure that makes almost 700 h.p. without a power adder ! Watched it on the rollers myself and I probably have the video somewhere. Oh BTW it is naturally aspirated ! :o So bust out the calculation on that one.

I could probably find dozens upon dozens of examples of SBF that can defy your theory but I am not going to waste my time with it. It would be like me telling you about pot smoking, I know nothing about it.
Yeah, dozens of examples in fantasy land.

With the right head work, cam and pistons you could get a little over 2 HP/CI out of a NA 5.0, so 700 HP is possible but as I said it would take a lot of money, race hardware and it would not be a very streetable motor.

How about you post even one example of any 5 litre putting out over 450 HP without either a power adder or race hardware (and high compression pistons and radical cams are race hardware you know).

Good luck.

The fact that there arn't any is the reason why I know you are not going to bother with even one example of such a feat.

Please elaborate on what you consider unstreetable(i.e. cam profile, comp. ratio, head porting?, etc?) Your definition of unstreetable is based on YOUR opinion which if u asked other people the same question they may have a different take on it. The 5 liter has been out since the 60's so it doesn't take deep pockets to make the motor fast. Its' aftermarket is endless. The 450 hp in question I assume your stating fwhp and not rwhp. Are you saying a 302 can't get 450 on the crank? If so, I'm gonna disagree with you. It is possible and not with a radical cams, comp, heads or a flux capacitor. -Mark
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Old Nov 28, 2002 | 10:16 PM
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450hp can be seen


what is "race harware" valve springs???


radical cam???? who cares it runs right


there are stock 5.0's in the 10's that are turboed and push 500 or so hp
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