427 TUNNEL PORT - Page 3 - Ford Muscle Forums : Ford Muscle Cars Tech Forum
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post #31 of 78 (permalink) Old 09-17-2009, 07:19 AM
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Re: 427 TUNNEL PORT

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Originally Posted by FEandGoingBroke View Post
I get it. I'm no racer so that's likely why I never heard of the TP 427...
In my FE rebuild book you cant help but stop and gawk at the pic of the intake ports big enough to need push rod passthoughs.

I found this add.
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post #32 of 78 (permalink) Old 09-17-2009, 07:27 AM
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Re: 427 TUNNEL PORT

Damn! That's huge! Looks bigger than chebby 454 oval port holes!
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post #33 of 78 (permalink) Old 09-17-2009, 07:37 AM
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Re: 427 TUNNEL PORT

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Originally Posted by FEandGoingBroke View Post
Damn! That's huge! Looks bigger than chebby 454 oval port holes!
I conveniently just remembered that I saw a SOHC buildup on HotRod.com. They had the same thoughts with the intake ports on it, just no pushrods to deal with.

You've got to check this monster out.

Ford 427 Cammer Build - Fuel Injection And Intake Manifold - Hot Rod Magazine

.

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post #34 of 78 (permalink) Old 09-17-2009, 07:49 AM
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Re: 427 TUNNEL PORT

WOW! That's nice stuff!
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post #35 of 78 (permalink) Old 09-18-2009, 07:38 PM
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Re: 427 TUNNEL PORT

This made me look at my old muscle parts book. Tunnel port 427 heads had a c8 part # at $189.50. You could get single or dual plane 2x4 intakes for $172. And the 427 medium riser heads were a whopping $55.55. The note on the single plane 1560 cfm intake is it is not recommended for the street. The dual plane 1430 cfm is streetable. Boy would I like to find out how streetable.
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post #36 of 78 (permalink) Old 09-19-2009, 06:11 AM
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Re: 427 TUNNEL PORT

The BOSS 429 was a 'semi-hemi' meaning not as hemispherical as the MOPAR Hemi's

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post #37 of 78 (permalink) Old 09-19-2009, 10:49 AM
 
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Re: 427 TUNNEL PORT

there is no way a 429 even comes close to a 427 tunnelport. 429 is not a bad engine just not of the same level.
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post #38 of 78 (permalink) Old 09-19-2009, 10:54 AM
 
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Re: 427 TUNNEL PORT

wish i could get those tunnelport heads for that price now. back in the 80s my dad was paying $700.00 for a set and that was going through louie unser who he new well.
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post #39 of 78 (permalink) Old 09-22-2009, 06:56 PM
 
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Re: 427 TUNNEL PORT

there has also been some very deceived people that dont know very much about the true 427 tunnelport saying that they do not make much torque. that is just ignorant bull. the torque from a 427 tunnelport ford is unmatched unless you get into diesel engines. just alot of people that dont know what there talking about.
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post #40 of 78 (permalink) Old 09-23-2009, 03:04 PM
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Re: 427 TUNNEL PORT

Wow man! you should marry one of these engines, you're the only one who keeps posting about this.

This should make you wet your pants
Video of my 427 Tunnel Port. Listen to it rumble! - Vintage Mustang Forums

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post #41 of 78 (permalink) Old 09-23-2009, 06:35 PM
 
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Re: 427 TUNNEL PORT

ha ha! nah just kidding. i wish you could here the sound of a blown 427 tunnelport running off av gas and methanol or a blown alcohol 427 tunnelport. then you would understand the meaning of wetting your pants. thats what the mopar people do when they here one.
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post #42 of 78 (permalink) Old 09-23-2009, 07:29 PM
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Re: 427 TUNNEL PORT

Well if someone would kindly bring one over to me here, I'd be happy to listen and write a review!

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post #43 of 78 (permalink) Old 10-23-2009, 07:38 PM
 
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Re: 427 TUNNEL PORT

How come none of you have any truthful answers?
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post #44 of 78 (permalink) Old 10-23-2009, 08:25 PM
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Re: 427 TUNNEL PORT

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How come none of you have any truthful answers?

Keep American dollars where they belong, and invest in the Country from which you live......Buy "Made in USA", while you're still offered that choice.
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post #45 of 78 (permalink) Old 10-24-2009, 01:39 AM
 
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Re: 427 TUNNEL PORT

Im calling BS on the 427 TP. You may have been around 427's your whole life, but I've been around both, and I'll tell you now that a properly built BOSS 429 will destroy a 427 TP any day.

The Boss 429 made more power, it was designed specifically for the high RPM's of the Superspeedways.

Huge intake ports dont make the whole motor. You are way wrong in saying the Mopar Hemi is no threat either. You've obviuosly never been anyhere near a good running Hemi.

The 427 TP was a ban-aid fix at best. Im not knocking it for its mechanical abilities, Im telling you that it was a last ditch efort on Fords part to stay competitive with Mopar Hemi's after the 427 Cammer was banned.

Because there was no way in hell that a 427 Medium Riser was going to hang anywhere near a fire breathing Hemi Mopar!!

So Ford quickly came up with the Tunnel Port head and intake setup for the 427 block. But right away, they were already at work on the new Boss 429 Hemi engine for NASCAR.

There is no way that a Tunnel Port cylinder head can move as much air as a Boss Hemi head can....no way in hell.

And more air into and out of an engine means more power, period!!

Also, the 429 Boss did'nt need side oiling because the engineers got the standard oiling correct in the first place.

Last edited by TorinoStyle2; 10-24-2009 at 11:40 AM.
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