#21961 - 10/11/02 05:56 PM
Re: STICKY Type R bottom end into 99-00 si
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MacGyver
Post Master
Registered: 04/25/00
Posts: 2321
Loc: The Deep South
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the 185 whp was done on factory del Sol Si exhaust with a SOHC NON VTEC throttle body..
im projecting more like 190-195 with the exhaust and new throttle body
Mac
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#21962 - 11/10/02 12:55 PM
Re: STICKY Type R bottom end into 99-00 si
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91civicSi
Newbie
Registered: 10/21/02
Posts: 22
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wow that's good.. is b16head better than gsr if they both had the same internals? correct me if im wrong...
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#21963 - 11/10/02 09:36 PM
Re: STICKY Type R bottom end into 99-00 si
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MacGyver
Post Master
Registered: 04/25/00
Posts: 2321
Loc: The Deep South
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All things being equal as in cams and such. The GSR head with inherantly produce more hp due to a smaller combustion chamber. Thus this raises compression. Also the GSR head flows more CFM than an ITR head. But the GSR head induces turbulence in the air flow unlike the Type R head. Im not sure if the Type R head is better or not.. I personaly believe that the GSR head is better but i can not prove it..
Mac
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#21965 - 11/12/02 02:50 PM
Re: STICKY Type R bottom end into 99-00 si
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GuyWithSi
Jr Poster
Registered: 06/01/01
Posts: 96
Loc: tx
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so for 2200 or so the block comes with the piston and rod as well?
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#21966 - 11/14/02 03:22 PM
Re: STICKY Type R bottom end into 99-00 si
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00JunSi
Jr Poster
Registered: 08/11/02
Posts: 92
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How do you figure the GSR head flows more CFM than an ITR head and produces more power? Do you have actual proof? I don't think Honda engineers would go with a poorer flowing head for an engine that requires more flow than a GSR.
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#21967 - 11/15/02 03:46 PM
Re: STICKY Type R bottom end into 99-00 si
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Beave0101
servant of egosgame
Registered: 02/13/02
Posts: 15941
Loc: San Diego
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In reply to:
How do you figure the GSR head flows more CFM than an ITR head and produces more power? Do you have actual proof? I don't think Honda engineers would go with a poorer flowing head for an engine that requires more flow than a GSR.
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#21968 - 11/16/02 06:55 PM
Re: STICKY Type R bottom end into 99-00 si
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AzSi22
Major Member
Registered: 10/31/99
Posts: 1386
Loc: Tucson, Arizona
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This is Alaniz's comparison of a STOCK B16A head vs. a GSR head. If you look, the B16A head flows better for most of the midrange until about .450 lift. A ITR head is ported well with better valves and valvetrain, which do YOU think flows better???
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#21970 - 11/22/02 04:40 AM
Re: STICKY Type R bottom end into 99-00 si
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00JunSi
Jr Poster
Registered: 08/11/02
Posts: 92
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So then explain to me why Honda would choose a poorer flowing head?
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#21972 - 12/16/02 12:31 AM
Re: STICKY Type R bottom end into 99-00 si
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RyanSaysNo
Post Master Jr
Registered: 04/26/00
Posts: 1910
Loc: Rowland Heights, CA
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wheres is the best place to purchase a shortblock because im lookin to get one soon.
_________________________
SuKi
99 MR Si
Aim: ryeislykebro
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#21973 - 07/18/03 12:15 PM
99 itr block with 2gen b16a head
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jasma1
Newbie
Registered: 03/26/03
Posts: 48
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i'm doing a 99 itr block with ctr pistons and b16a head with head work what ECU is good to use i have a second gen b16a ecu with pyr racing chip is that good to use pm me back thanks
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#21974 - 07/19/03 02:31 AM
Re: STICKY Type R bottom end into 99-00 si
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REDHCSI
Poster
Registered: 04/24/01
Posts: 310
Loc: Augusta, GA
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Quote:
just wanted to fill in about the header. from my very OWN personal experience a B16 header will not work with 1.8Liter motors.
<br>
<br>i recently switched from a 1st gen B16 header to a 94 GSR header on my LSvtec because the B16 header was giving me a bad exhaust leak between the exhaust manifold and downpipe.... because the damn downpipe was hitting the oil pan and thus it was not able to seal properly...
<br>
<br>so theres your .00001% [image]/images/icons/wink.gif[/image]
<br>
<br>(nice post btw Tom)
with my ls/vtec setup i used my old dc sport b16 header <4-1> and it works just fine its a tight fit but it doesn't touch the oil pan
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#21976 - 09/23/03 12:18 AM
Re: STICKY Type R bottom end into 99-00 si
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SiRkid
Post Master Sr
Registered: 12/06/00
Posts: 16338
Loc: On a boosted dog sled
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ported well? better valvetrain? i guess...
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