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Open light Rally Car motor?
http://4g61t.org/forum/viewtopic.php?f=18&t=36220
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Author:  Rallycolt [ Tue Mar 27, 2012 11:19 pm ]
Post subject:  Open light Rally Car motor?

OK guys,
I figure this would be the place to ask this...
I have a CSM that I have converted to AWD and have a non-turbo 4g63 in it now the question becomes ..
Could I get some suggestions on non-t builds and what numbers are possible?
I would like to stay on pump gas but understand that at some point may have to at lest mix fuels.
Is E85 an option in non-t or does the big benifts just come in to play with a turbo?
I have some old school understanding of V-8 stuff but there is so much more options out there that I'm only sort of aware of...
Thanks!!

Author:  DarkHorse [ Thu Mar 29, 2012 4:40 am ]
Post subject:  Re: Open light Rally Car motor?

E85 is verrry resistant to knock, so you can get away with much higher compression and more agressive timming, some say as high as 14:1 but thats just "internet knowledge".

If going N/A (I have considered it for a off-road truck motor because the 22R is way too common) I would DOHC-swap a 2.4 block, which might not be as rev-happy as a rally car would need but it would have the torque to drag around two extra wheels.

~

Author:  Rallycolt [ Sat Mar 31, 2012 12:25 am ]
Post subject:  Re: Open light Rally Car motor?

That is along the line I was thinking of doing...
So does anyone know if the 1.6 motors out of the Hyundi's are the 1.6 4g61 heads or are they the 2.0 heads on a 1.6 block.
I ask becuse I would want the small runners and smaller chamber for higher velocity flow in the 1.6 4g61 head.

Might as well get all the correct parts if I am going to put it together from pick n pull.

Author:  CSM Shaun [ Sat Mar 31, 2012 6:53 am ]
Post subject:  Re: Open light Rally Car motor?

It can be a crap shoot with heads. Best way to tell is to pull the intake manifold. There are threads on here that detail how to identify the 1.6 heads by the markings.

Author:  dsmcolt969 [ Sat Mar 31, 2012 9:08 pm ]
Post subject:  Re: Open light Rally Car motor?

i have a 1.6 head if your interested

Author:  Flying Eagle [ Sat Mar 31, 2012 10:55 pm ]
Post subject:  Re: Open light Rally Car motor?

Engine drivetrain archives is a post with Cylinder head info, cc sizings, markings,etc.

Author:  Rallycolt [ Sun Apr 01, 2012 6:20 pm ]
Post subject:  Re: Open light Rally Car motor?

Thanks everyone!!!
And yes I am interested...pm sent

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