Twin Cam Heads

YellowJA · Post by **YellowJA** » Sat Jul 02, 2011 11:15 am

2 , both in excellent condition
1 a std 2 litre, the other exactly the same ( big ports, same valves) but has the 43cc combustion chamber instead of the 2.0l 47cc. This raises compression ratio from 7.8:1 to 8.3:1

$75 each

Lummy · Post by **Lummy** » Sat Jul 02, 2011 1:00 pm

So, these are VR4 heads?

greenstaz82 · Post by **greenstaz82** » Sun Jul 03, 2011 10:19 am

theres a difference in the chamber ? . Between n/a and turbo ?

OLD FART · Post by **OLD FART** » Sun Jul 03, 2011 1:22 pm

greenstaz82 wrote:theres a difference in the chamber ? . Between n/a and turbo ?

I don't think so.The smaller head may be off a 1600 TC

dirtygalant · Post by **dirtygalant** » Sun Jul 03, 2011 1:26 pm

smaller chamber head may also be a 4G67 head too.

thrash · Post by **thrash** » Sun Jul 03, 2011 3:15 pm

good for running standard pistons and still getting higher compression eh?

niss720 · Post by **niss720** » Sun Jul 03, 2011 9:03 pm

Pm sent

YellowJA · Post by **YellowJA** » Sat Jul 09, 2011 12:03 pm

They are about to be sold on ebay for $45 and $55 as there were no takers here. The Hi Comp one raises CR for 7.8 to 8.3. and has the big ports. Rememeber the VR4 heads are the same as the NA ones ( watch port size). Anyway probably too late now. I will have another Hi Comp one coming up with a machined face ( that cost $150) and new stem seals and fully tested. On race car now.

kushman · Post by **kushman** » Mon Jul 11, 2011 9:12 pm

the big port 43cc tc head is the jdm 4g61t , its a straight bolt on and uses the same vr4 head gasket

dirtygalant · Post by **dirtygalant** » Tue Jul 12, 2011 8:10 am

kushman wrote:the big port 43cc tc head is the jdm 4g61t , its a straight bolt on and uses the same vr4 head gasket

could also be a 4G67 head.

Austarion

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