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 Post subject: Re: J18a or J20A converted to 2.3 90mm bore
PostPosted: Fri Dec 24, 2010 10:31 pm 
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Do we get the J23 in Australia? why take it over the J24?

I know the J24B is in the Grand Vitara and Kizashi and the J20A is in the SX4.. where is the J23 coming from other than the Aerio in the states?

-edit-

Just realised how old this thread was.. so no wonder J24B didn't get a mention. Surely the Aussies a better off investigating the 2.4 option over the US 2.3 ;)


I have updated list with Kizashi J24B added (haven't found full details on Grand Vitara yet), it looks pretty impressive in comparison. Apparently the 'B' in this case designates it's VVT.

Bore x Stroke, Comp ratio, Power, Torque

J18A 84mm x 83mm, 9.8:1, 89kW@6200rpm, 152Nm@3400rpm

J20A 84mm x 90mm, 9.3:1, 97kW@6300rpm, 166Nm@2900rpm (Vitara)or 94kW@6000rpm, 174Nm@2900rpm (Gen 1 Grand Vitara)

J23A 90mm x 90mm, 9.3:1, 116Kw@5400rpm, 206Nm@3000rpm

J24B 92mm x 90mm, 10:1, 131kW@6500rpm, 230Nm@4000rpm (Kizashi)


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 Post subject: Working with Brian @ Suzistore Midland
PostPosted: Sat Mar 28, 2015 4:42 pm 
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Location: Perth WA
J24B:
92mm bore (yes other j series heads are interchangeable)
90mm stroke, very heavily reinforced solid forged crank
Main journals are smaller than on a J20 crank but rod journals are the same.
After a general comparison (parts beside parts) the J24 is a closely related variant to other J series, there are interchangeable parts and hybrids could be made
Bearing in mind that cranks aren't a bolt in proposition without modifications.


Attachments:
File comment: J20A crank on left (90mm) 14.6Kg
J24B crank on right (90mm) 19.3Kg

image.jpg
image.jpg [ 1.67 MiB | Viewed 209 times ]
File comment: Bare J24B block
92mm bore

image.jpg
image.jpg [ 1.68 MiB | Viewed 195 times ]
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 Post subject: Re: J18a or J20A converted to 2.3 90mm bore
PostPosted: Wed Apr 22, 2015 9:22 pm 
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Location: Brisbane
unfortunately the 24b engine is yet another Suzuki failure, they fetch a premium second hand (around $5,500) because they have so many failing.The suzuki wrecking companies cannot keep up with the demand.Pretty sure the main failures are blown head gaskets and cracked blocks.

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 Post subject: Re: J18a or J20A converted to 2.3 90mm bore
PostPosted: Wed Apr 22, 2015 11:26 pm 
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Location: Perth WA
Already looked into those faults.
Early casting heads (2010-2012) crack between a freeze plug and main stud.
Block failure is on left side between 2nd and 3rd cylinder, the grandy models develop a casing crack, haven't seen any news of that problem occurring in kizashi models.
Could be heavy towing causes grandy models to load up engine mount on that side, stressing block.
I'm hunting for a dead j24b to section and confirm.
n0madic could probably shed more light as I believe he's had some destroyed examples in his hands.


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