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October 10th, 2006, 10:24 AM
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stage II heads on 109
how does this work and what will i have to do...
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1987 GN 1986 GN 9.98 109 motor (not a full pass)  2005 Brute Force 750 2004 Kawie 700 Prairie 10.30 in the 1/8th 2004.5 Duramax runs low 9's in the 1/8th 1989 TTA #1406 sold 1987 Limited Daily driver for sale 1984 GPZ 750 Turbo GSCA# 5705 Amsoil dealer..ask me how: www.lube-direct.com/shandy/ There's no argument over the choice between peace and war, but there's only one guaranteed way you can have peace -- and you can have it in the next second -- surrender. ~ Ronald Reagan     
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October 10th, 2006, 04:44 PM
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To physically bolt it up you will need new intake and exhaust manifolds, a new cam and pushrods and rockers, and new valve covers. You will only be able to use 8 of the 14 head bolts since the 109 block doesn't have the bosses for the extra 6. I don't think the Stage II heads have the accessory bolt holes so you will have to do something about the bracketry. That's a lot of head flow for not many cubic inches so driveability may be poor, but it may be okay (hi Mac :-)); it will depend on the cam, turbo, and useage.
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Regards, Carl Ijames carl.ijames@verizon.net
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October 10th, 2006, 04:47 PM
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stuff
what type of roller? i have a roller cam harland sharp rockers and the bigger valve covers, also have a champion intake...???
__________________
1987 GN 1986 GN 9.98 109 motor (not a full pass) 2005 Brute Force 750 2004 Kawie 700 Prairie 10.30 in the 1/8th 2004.5 Duramax runs low 9's in the 1/8th 1989 TTA #1406 sold 1987 Limited Daily driver for sale 1984 GPZ 750 Turbo GSCA# 5705 Amsoil dealer..ask me how: www.lube-direct.com/shandy/ There's no argument over the choice between peace and war, but there's only one guaranteed way you can have peace -- and you can have it in the next second -- surrender. ~ Ronald Reagan
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October 10th, 2006, 06:06 PM
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"what type of roller? i have a roller cam harland sharp rockers and the bigger valve covers, also have a champion intake...???"
None of those parts will work. You will need a new intake also, which will entail converting a carb intake to EFI and or have a custom piece built. The cam for stage 2 heads is different than a cam for stock style heads.Rockers on S2 heads are custom pieces and stock style valve covers wont work..  
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http://community.webshots.com/user/10secv6  1987 Buick Grand National Dart 400ci SBC, PTE106, PTE 2000 liquid IC, PTC Powerglide and converter FAST XFI Dyno Tune by Cal Hartline 1989 Pontiac TTA
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October 10th, 2006, 09:48 PM
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The stage II ports are in a different order (ie ie ie instead of ei ie ei, for example), which is why the stock intake and exhaust manifolds don't match up, and the cam lobes are in the wrong order.
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Regards, Carl Ijames carl.ijames@verizon.net
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October 11th, 2006, 09:10 AM
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Also the valves won't clear the smaller bore of the 3.8 motor. You would have to grind reliefs in the top of the cylinders just to clear the valves. Short answer is the heads will physically bolt to the block, but everything else except the block will have to be for a stage II motor. So basically no reason to do it, even if the heads were free. MAybe if you were building a naturally aspirated motor you could find some way to make it beneficial, but even that is a big maybe. Sounds like you need some stock based aftermarket heads like Champion GN1 or TA performance heads.
Greg Kring
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October 11th, 2006, 11:52 AM
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thanks
trying to find a good deal on heads now...selling the iron heads i have...
__________________
1987 GN 1986 GN 9.98 109 motor (not a full pass) 2005 Brute Force 750 2004 Kawie 700 Prairie 10.30 in the 1/8th 2004.5 Duramax runs low 9's in the 1/8th 1989 TTA #1406 sold 1987 Limited Daily driver for sale 1984 GPZ 750 Turbo GSCA# 5705 Amsoil dealer..ask me how: www.lube-direct.com/shandy/ There's no argument over the choice between peace and war, but there's only one guaranteed way you can have peace -- and you can have it in the next second -- surrender. ~ Ronald Reagan
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