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 Post subject: Re: Helpful info
PostPosted: 01 Oct 2011 23:30 
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Joined: 13 Aug 2011 12:33
Posts: 376
Country: ireland
loch wrote:
u can use the 1st gen 4g93 crank in a 2nd gen 4g93 block but u cant put a 4g92 crank in a 4g93 block or vice versa without custom rods/work


couple posts up, n there you go :)

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 Post subject: Re: Helpful info
PostPosted: 02 Oct 2011 06:47 
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Joined: 06 Mar 2010 15:50
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Location: Sabah
Country: MALAYSIA
brccrx wrote:
loch wrote:
u can use the 1st gen 4g93 crank in a 2nd gen 4g93 block but u cant put a 4g92 crank in a 4g93 block or vice versa without custom rods/work


couple posts up, n there you go :)


So, r they interchangeable?TQ


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 Post subject: Re: Helpful info
PostPosted: 02 Oct 2011 09:26 
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tsenhc2002 wrote:
So, r they interchangeable?TQ


What the hell man :evil:

loch wrote:
u can use the 1st gen 4g93 crank in a 2nd gen
4g93 block but u cant put a 4g92 crank in a 4g93 block or vice versa without custom rods/work

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 Post subject: Re: Helpful info
PostPosted: 02 Oct 2011 19:29 
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Joined: 06 Mar 2010 15:50
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Location: Sabah
Country: MALAYSIA
brccrx wrote:
tsenhc2002 wrote:
So, r they interchangeable?TQ


What the hell man :evil:

loch wrote:
u can use the 1st gen 4g93 crank in a 2nd gen
4g93 block but u cant put a 4g92 crank in a 4g93 block or vice versa without custom rods/work


Ok, thanks mate...


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 Post subject: Re: Helpful info
PostPosted: 03 Oct 2011 02:28 
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Joined: 02 May 2011 02:47
Posts: 43
Location: puerto rico
Country: puerto rico
greetings boy .. I'm in a 4G93 MIVEC hydride project and I want to know that use screw those of 4G93 or 4G92. and what would be the devotion you give torque to the screw head??

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 Post subject: Re: Helpful info
PostPosted: 03 Oct 2011 13:33 
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Joined: 15 Feb 2011 08:51
Posts: 901
Country: Australia
So 4G9X and 6A13 pistons are interchangeable?
And if so, are the rods the same?
Also, are Gen 1 and Gen 2 4G92 pistons the same?


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 Post subject: Re: Helpful info
PostPosted: 04 Oct 2011 06:41 
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Joined: 31 Oct 2007 17:25
Posts: 218
Location: BIM
jdmario wrote:
greetings boy .. I'm in a 4G93 MIVEC hydride project and I want to know that use screw those of 4G93 or 4G92. and what would be the devotion you give torque to the screw head??



not sure what ur saying, are u looking for torque values for the head?


and @spetz

rods are different

and 1st gen and 2nd gen mivec pistons i believe are the same but dont quote me on that


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 Post subject: Re: Helpful info
PostPosted: 04 Oct 2011 11:29 
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Joined: 13 Aug 2011 12:33
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Country: ireland
loch wrote:
not sure what ur saying, are u looking for torque values for the head?


think thats what hes after :)

jdmario wrote:
greetings boy .. I'm in a 4G93 MIVEC hydride project and I want to know that use screw those of 4G93 or 4G92. and what would be the devotion you give torque to the screw head??


why dont you download that engine manual i did that and have 3 different ones now,if you type in that to google you will get what you need

Spetz wrote:
So 4G9X and 6A13 pistons are interchangeable?
And if so, are the rods the same?


i dont think so as well as loch say

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 Post subject: Re: Helpful info
PostPosted: 04 Oct 2011 21:25 
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Joined: 15 Feb 2011 08:51
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Country: Australia
You don't think so on the rods or the pistons?
Are the valve reliefs right between 4G93 and 6A13TT? ie, same size valves, same angle?


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 Post subject: Re: Helpful info
PostPosted: 05 Oct 2011 04:32 
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Joined: 31 Oct 2007 17:25
Posts: 218
Location: BIM
all i can tell you is that they drop right in at 81mm and clear the head.

and no the 6a13 rods wont work on the 4g92/3


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 Post subject: Re: Helpful info
PostPosted: 05 Oct 2011 14:32 
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Joined: 15 Feb 2011 08:51
Posts: 901
Country: Australia
Thanks Loch

Any chance you'll have everything out and be able to compare the valve reliefs on the 13TT and 92/3 pistons?


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 Post subject: Re: Helpful info
PostPosted: 06 Oct 2011 12:40 
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Joined: 13 Aug 2011 12:33
Posts: 376
Country: ireland
this may help you to

Spetz wrote:
You don't think so on the rods or the pistons?


The pistons are 81mm alright but they carry lot more stress compare to 4g9x ones due to biger cc
thats why they on the stronger (different) rods.
even if you drop them in to 4g9x you need to custom work the rods.

Spetz wrote:
So 4G9X and 6A13 pistons are interchangeable?
And if so, are the rods the same?


If the piston size is correct and they be same class you still need more values to be correct:
Read off the cylinder bore size on the cylinder block, and select a piston of proper size according to the following table;

Cylinder bore size mark Piston class Piston size mark
A A A
B B None
C C C

Measure the following dimensions, of the piston, piston pins and connecting rod
A) piston pin insertion hole length
B) distance between piston bosses
C) piston pin length
D) connecting rod small end width

as you can see there is many critical sizes there with may make them different one each to other.

Whats your best shoot now....... ebay he he
Find the pistons for 4g9 say 2/3 engine and ask the seller to give your all measurements needed
Find the 6a13 and do same thing
or somebody who have them out from the engine :)
R your local parts supplier.

Good luck

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 Post subject: Re: Helpful info
PostPosted: 06 Oct 2011 12:50 
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Joined: 15 Feb 2011 08:51
Posts: 901
Country: Australia
To be honest I naturally assume that the pistons are the same between these cars, including the pin diameter?
I mean, certainly there is a 4G9X engine and 6A13X engine that have the same pistons (SOHC, DOHC, maybe GSR turbo etc).

I plan/hope to build this engine myself with a mechanic friend, and it will take a while so I guess it may be trial and error. Hope to commence by the end of next year on it


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 Post subject: Re: Helpful info
PostPosted: 28 Oct 2011 18:51 
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Joined: 31 May 2009 21:10
Posts: 95
Location: New Zealand
Country: New Zealand
loch wrote:
24. honda b16 turbo exhaust manifolds are almost the perfect fit for the mivec. slight modification required for alignment to the ports


Honda b16 extractors are the right depth and dont sit to low under the car but need to be pulled over about 40mm to match the exhaust ports.


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 Post subject: Re: Helpful info
PostPosted: 07 Jan 2012 01:01 
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Joined: 20 Feb 2008 21:22
Posts: 65
Location: Melaka, Malaysia
http://www.mitsubishiclub.cz/graphics/m ... E-W_WM.pdf

just want to share... found it just now... may be this version is latter than the one that is shared in the FAQ.. in it also included some spec for 4g94... cheers!!!

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