its a 5.8!

aimzes · 04-09-2005, 09:07 PM

a 351 is a 5.8 litre right? its 5765cc or something but rounded up its 5.8. over the years ive seen write ups in mags where they go "the awesome power of the 5.7 in the ford" like for instance an article on a cobra which in the pics had 5.8 badges the writer put it down as a 5.7.

and i let it go for years. it was usually online on some yuppy-a*sed site (carpoint...etc.) so i though wtf would they know so i didnt really give a s**t. but recently i read it in (i think) performance ford mag... either that or street fords mag.

so wtf. do you refer to it as a 5.7 or a 5.8?

Dave_au · 04-09-2005, 09:10 PM

Excuse my ignorance, but does it err.... matter?

parawolf · 04-09-2005, 09:10 PM

i refer to it as 351....

HOON69 · 04-09-2005, 09:17 PM

closer to 5.8 then a 5.7 so its gotta be 5.8 aint it.

i've always regarded them as a 5.8 anyways.

**Peuty** · 04-09-2005, 09:18 PM

Yeah, always a 5.8. But to save confusion, a 351.

aimzes · 04-09-2005, 09:19 PM

Quote:

Excuse my ignorance, but does it err.... matter?

no, not really. but it annoys me. and id like to know what others think or refer to it as... so either answer the question or dont reply. i really dont see why it was nessesary for you to ask that. of corse, you are entitled to ask it... i guess.

RED_EL_XR8 · 04-09-2005, 09:24 PM

Now can we all play nice ladies. we are all entiled to opinions aren't we?

LUXO_8 · 04-09-2005, 09:28 PM

the other one that i dont like is when the 5.0 in the EB - AU is refered as a 4.9

aimzes · 04-09-2005, 09:31 PM

Quote:

the other one that i dont like is when the 5.0 in the EB - AU is refered as a 4.9

lol. id just call it a 5.0.

parawolf · 04-09-2005, 09:31 PM

Quote:

Originally Posted by MADNC_8

the other one that i dont like is when the 5.0 in the EB - AU is refered as a 4.9

See I call the AU a 5.0 regardless... But hey, 302ci or 308ci... who cares

Steffo · 04-09-2005, 09:35 PM

99% of the time... its rounded up as follows...

5050cc - 5149cc = 5.1 litres

4950cc - 5049cc = 5.0 litres

Ford's 302W is one exception to this rule, being 4942cc, its actually a 4.9litre V8.

Far as I know, the 351 is 5756cc, which makes it a 5.8 litre.

OzJavelin · 04-09-2005, 09:37 PM

I think Fords best was when they frigged around with displacement for 427/428/429s that they were selling concurrently! Chev did a good one with the smogger 402 big-block .. called it a 396 like the good
ole MarkIV!!

parawolf · 04-09-2005, 09:50 PM

Quote:

Originally Posted by Steffo

99% of the time... its rounded up as follows...

5050cc - 5149cc = 5.1 litres

4950cc - 5049cc = 5.0 litres

Ford's 302W is one exception to this rule, being 4942cc, its actually a 4.9litre V8.

Far as I know, the 351 is 5756cc, which makes it a 5.8 litre.

Thats standard mathematics.... and it shouldn't be as "Far as i know" for a 351ci being 5751.859464cc. cubic measurements means that 1ci = 1" x 1" x 1" = 2.54cm x 2.54cm x 2.54cm. Therefore 1ci = ~16.387cc. Therefore 351ci = 351 x 16.387 = 5751.8ci. Technically speaking, because my smallest number of significant digits is 3 (in the 351) then I can only really say 351 x 16.387 = 5.75l (or 5.75 cubic decimetres), which still rounds up to 5.8L, however as said before we are technically right in calling it 5.75L.

NAK302 · 04-09-2005, 09:51 PM

i have only seen 5.8 and 4.9 badges on fords with clevelands, that'll do for me.

dogbreath_48 · 04-09-2005, 10:37 PM

Quote:

Originally Posted by parawolf

Thats standard mathematics.... and it shouldn't be as "Far as i know" for a 351ci being 5751.859464cc. cubic measurements means that 1ci = 1" x 1" x 1" = 2.54cm x 2.54cm x 2.54cm. Therefore 1ci = ~16.387cc. Therefore 351ci = 351 x 16.387 = 5751.8ci. Technically speaking, because my smallest number of significant digits is 3 (in the 351) then I can only really say 351 x 16.387 = 5.75l (or 5.75 cubic decimetres), which still rounds up to 5.8L, however as said before we are technically right in calling it 5.75L.

Of course we're presuming these engines displace exactly 351.00/302.00ci (i^3) So some published cm^3 measurments may just have been measures more accurately.

-Stu

parawolf · 04-09-2005, 10:41 PM

Quote:

Originally Posted by dogbreath_48

Of course we're presuming these engines displace exactly 351.00/302.00ci (i^3) So some published cm^3 measurments may just have been measures more accurately.

-Stu

Exactly

:

xdclevo · 04-09-2005, 11:41 PM

Cool. I ran a 12.47, so its really a 12.00. And my mate did 11.77, so he also did a 12. We are equal. hahaha

:

gtfpv · 04-09-2005, 11:48 PM

ford has it right . 5.8 - 4.9
NOW WHAT ABOUT 4.1 - 3.9 - 4.0 . ONCE AGAIN THESE ENGINES WERE ALL AS SPECIFIED.

Pearly · 04-09-2005, 11:57 PM

Quote:

Originally Posted by parawolf

Thats standard mathematics.... and it shouldn't be as "Far as i know" for a 351ci being 5751.859464cc. cubic measurements means that 1ci = 1" x 1" x 1" = 2.54cm x 2.54cm x 2.54cm. Therefore 1ci = ~16.387cc. Therefore 351ci = 351 x 16.387 = 5751.8ci. Technically speaking, because my smallest number of significant digits is 3 (in the 351) then I can only really say 351 x 16.387 = 5.75l (or 5.75 cubic decimetres), which still rounds up to 5.8L, however as said before we are technically right in calling it 5.75L.

Ah, see, I knew I wasn't ****ing money away when I bought those custom 5.75L badges for my Fairlane.

FPV GT · 05-09-2005, 06:43 AM

Quote:

Originally Posted by xdclevo

Cool. I ran a 12.47, so its really a 12.00. And my mate did 11.77, so he also did a 12. We are equal. hahaha

:

Thats the funniest post around !!!!!!!!!!!!!!!!!!!!!

Always has been referrred to a 5.8, only the wannabecleverclogswhocantbe sprout "Well, actually its a 5.75" - and most of them come from the other side.

Well my old XE before the mods was a 5.73.........cuz it had .02 carbon build up on the piston tops......................

Hey if its good enough for the shops to round up.........

Regards
Paul

XD 351 Ute · 05-09-2005, 10:41 AM

A 351 bored 30 thou over should clear up any confusion........

Ed

parawolf · 05-09-2005, 10:48 AM

Quote:

Originally Posted by FPV GT

Always has been referrred to a 5.8, only the wannabecleverclogswhocantbe sprout "Well, actually its a 5.75" - and most of them come from the other side.

I was talking mathematically, not marketing wise. If you took much of my post seriously, then well you need to lay off the medicine.

: I was primarily pointing holes in the number that Steffo came up with as a cubic centimetre displacement for the 5.8L/351ci engine.

Now - about that comment about me coming from 'the other side'... got much proof of that? or shall I be seeing you at Sandown with the rest of the Ford car club ticket purchasers hopefully cheering on a hopeful blue victory. I know I will be there, wouldn't miss it for the world.

dogbreath_48 · 05-09-2005, 10:50 AM

Quote:

Originally Posted by parawolf

Exactly

:

...ohh yeah, shoulda read your post first :P

-Stu

LTDHO · 05-09-2005, 11:29 AM

351 is 5.8
it's easy.
However I think Ford should have kept the EB V8 a 4.9.
The two reasons I see is 1) to sepparate it from the 302C and 2) because the americans call it a 5.0.

chevypower · 05-09-2005, 12:11 PM

When I read the topic heading I thought you were giving info on the BF GT!!!!

Steffo · 05-09-2005, 12:29 PM

Quote:

Originally Posted by dogbreath_48

Of course we're presuming these engines displace exactly 351.00/302.00ci (i^3) So some published cm^3 measurments may just have been measures more accurately.

-Stu

Ford's 351 is actually 352.2 ci (4.002" bore and 3.500" stroke)

352.2 ci is 5776.08cc, which is 5.8 litres. :Reverend:

parawolf · 05-09-2005, 01:08 PM

Quote:

Originally Posted by Steffo

Ford's 351 is actually 352.2 ci (4.002" bore and 3.500" stroke)

352.2 ci is 5776.08cc, which is 5.8 litres. :Reverend:

5776cc or didn't you read my above year 9 maths discussion? 4 signifcant digits is the least accurate number you have.

:

RED_EL_XR8 · 05-09-2005, 01:12 PM

Is this stuff actually worth argueing about? honestly

:

GreenMachine · 05-09-2005, 01:24 PM

There's an old story about a lawyer, an economist and a statistician who go hunting. They come across a massive deer, standing in a clearing. The lawyer aims, shoots, and the bullet kicks up dust 3 feet to the right of the deer. Quick as a flash, the economist aims, shoots, and kicks up dust 3 feet to the left of the deer.

The statistician throws his hat up in the air and screams "we hit it! we hit it!"

This post only has a very tenuous link to the topic at hand.

Gammaboy · 05-09-2005, 01:36 PM

who cares... 351C >> 350 chev :P