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2005-2010 Mustang GT Tech Forum

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Unread 05-16-2010   #1 (permalink)
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Default 4.6L is what in cubic inch displacement?

I was asked what the cubic inch displacement is on the 4.6 L engine in my 07 GT, and I suddenly realized, I have no clue how to do the conversion.
I guessed, since a 5.0 is around 305 cubes, and said about 300.

Anyone know for sure?
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Unread 05-16-2010   #2 (permalink)
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281 cubes is the 4.6
302 is the 5.0
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Unread 05-16-2010   #3 (permalink)
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A 302 is actually a shade under 5.0. A 306 is a 5.0.
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Unread 05-16-2010   #4 (permalink)
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Default conversion

61.02 cubic inches = 1 Liter based on bore and stroke.

260 = 4.261
281 = 4.605 referred to as 4.6L
289 = 4.736
302 = 4.949 referred to as 5.0L
351 = 5.752 referred to as 5.7L
352 = 5.769
390 = 6.391
400 = 6.555
427 = 6.998 referred to as 7L
428 = 7.014
429 = 7.030
460 = 7.539

Last edited by HB94GT; 05-16-2010 at 10:50 AM. Reason: typo
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Unread 05-16-2010   #5 (permalink)
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Hmmm, lesse. 4.6 Liters. A liter has 61.02 cubic inches. Hmmm, nope just too complicated
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Unread 05-16-2010   #6 (permalink)
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Quote:
Originally Posted by stlwagon View Post
A 302 is actually a shade under 5.0. A 306 is a 5.0.

good point, cause the foxes had a 4.9 and change but everyone called it a 5.0 for simplicity's sake
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Unread 05-16-2010   #7 (permalink)
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Quote:
A 302 is actually a shade under 5.0. A 306 is a 5.0.
To be totally anal, 5.0 liter (aka 5000 cc) is closer to 305 cid then 306 cid (not that 306 doesn't round to 5 liter).

1 inch == ~2.54 cm

5000 cm^3 / (2.54)^3 = 305.118720474 cubic inches

The coyote 302 cid displaces 4951 cc, 5.0 liters rounding to the nearest tenth.
The Windsor 302 displaced 4942 cc, 4.9 liters rounding to the nearest tenth.
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Unread 05-16-2010   #8 (permalink)
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I like how people ask me waht the 281 badges on my car stand for and I tell them its the engine displacement and they then ask me if i feel regret about not getting the V8.
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Unread 05-16-2010   #9 (permalink)
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Quote:
Originally Posted by jaja6009 View Post
I like how people ask me waht the 281 badges on my car stand for and I tell them its the engine displacement and they then ask me if i feel regret about not getting the V8.
LOL - Well? Do you????

I'm typically a "debadger" but I did put a 281 emblem on the right corner of my car's trunk.

...
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Unread 05-16-2010   #10 (permalink)
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I like how people ask me waht the 281 badges on my car stand for and I tell them its the engine displacement and they then ask me if i feel regret about not getting the V8.
I had someone ask me if mine was a Saleen last week. Guess it was the 281 badge that confused them.
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Unread 05-16-2010   #11 (permalink)
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Kind of off topic but... my car has "GT350" written in a tape stripe across the rocker panel. People ask me all of the time what a GT350 is and I have to tell them it's no different than a regular GT, just a throwback to the 350's of old. My favorite moment though was when some guy asked another guy standing next to him what the GT350 was and he said all matter-of-factly that it was a high end GT, faster than a regular GT but not as fast as the GT500. Oh and then there was the craigslist add where the guy had GT350 written on the side of his and claimed that it was 350hp stock from Ford... in fact here's the add.

2005 FORD MUSTANG GT350 CONVERTIBLE, LOADED,NAVIGATION,AUTO
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Unread 05-18-2010   #12 (permalink)
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That clears that up!
Thanks much, very interesting, and informative.
Regards,
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Unread 05-18-2010   #13 (permalink)
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And for comparison, the 5.4L in the GT500 is 330 cubic inches.
Quote:
Originally Posted by BlueLou View Post
The coyote 302 cid displaces 4951 cc, 5.0 liters rounding to the nearest tenth.
The Windsor 302 displaced 4942 cc, 4.9 liters rounding to the nearest tenth.
All car companies prefer to round up.
The 6.2L LS3 V8 in the Corvette and Camaro SS is actually 6.162 liters or 376 cubic inches.
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Unread 05-19-2010   #14 (permalink)
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ford 5.0 is a 302 while the 4.6 is a 283
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Unread 05-19-2010   #15 (permalink)
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Quote:
Originally Posted by hardwork View Post
ford 5.0 is a 302 while the 4.6 is a 283
The 4.6 is a 281....

( although GM had a 283cid )
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