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What would these be worth Pro Topline/RHS heads. 

 

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Posted: Wed Oct 01, 2008 10:20 pm 
Getting Side Ways
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Joined: 5th Nov 2004

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Ride: 93 Maverick LWB/S2 LWB Delica

Power: 75 rwkw

Location: uoʇǝlƃuıs lʍoq ʇsnp
NSW, Australia

BOTTLEDUP wrote:
RHS's flow figures from their own site are conducted on a 4.200" bore... I've always been a little dubious about their advertised figures. That isn't to say that they aren't a good head, they are and I wouldn't have any issue using them.

Remember AFR needs a 2.08" valve to make their flow numbers, TFS's 205cc head outflows & outperforms the AFR using a 2.02" intake.



Where did you get that info on bore size, are you sure you werent looking at Chev's flow results? Image

 

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93 Ford Maverick LWB automatic petrol guzzler (gets stuck where Deli doesn't, big pumpkins :evil:)
97 S2 Mitsubishi Delica LWB (off the road getting v8 transplant) http://tmacmechanical.com.au/

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Posted: Thu Oct 02, 2008 12:44 pm 
Getting Side Ways
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Ride: T1 TE50 P01

Location: Perth NoR
WA, Australia

I asked the Australian importers, who in turn asked RHS. Somewhere here I have a flow chart for the standard 180cc RHS alloy head, I'll try and put it up. This is as they come from the box on our flowbench

 

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TE50 T1 P01
200kw 5.0L, T5, Koni shocks, King S/Lows, Whiteline swaybars, DBA 4000 rotors, Acron CAI, 80mm Accufab TB, Difillipo headers & cats, twin 2.5" & Aerochambers, 3.91 LSD.

To Come:
Long rod 306, TFS 11R 205cc heads, SHP camshaft, 1.72 R/R, ported TFS Box R, 400hp NX SHO kit...

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Posted: Fri Oct 03, 2008 12:23 am 
Getting Side Ways
Offline
User avatar

Age: 45

Posts: 3531

Joined: 5th Nov 2004

Gallery: 25 images

Ride: 93 Maverick LWB/S2 LWB Delica

Power: 75 rwkw

Location: uoʇǝlƃuıs lʍoq ʇsnp
NSW, Australia

BOTTLEDUP wrote:
I asked the Australian importers, who in turn asked RHS. Somewhere here I have a flow chart for the standard 180cc RHS alloy head, I'll try and put it up. This is as they come from the box on our flowbench


Cool, post it up, on RHS website they say nothing about 4.2" bore, they would be a***hole for doing that, considering I am pretty sure there isn't a block available with that bore size.

 

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93 Ford Maverick LWB automatic petrol guzzler (gets stuck where Deli doesn't, big pumpkins :evil:)
97 S2 Mitsubishi Delica LWB (off the road getting v8 transplant) http://tmacmechanical.com.au/

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