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#1
11-20-2002, 09:56 AM
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91 Auto Si 1.6L Idea
ok me and my friend have both swapped our engines, mine the auto 1.5, and my friends the manual 1.6 si.
we were wondering, if we take his si head and mate it to my very underabused dx block, and make an auto si. i think it would work.
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Name: Scott Stable Of Cars I have Owned: 1991 Honda CRX 1990 Oldsmobile Cutlass Supreme 2003 Honda Accord 1998 Chrysler Concorde 2007 Honda Civic 1997 Toyota Camry 1995 Saturn SC2 1996 Ford Taurus 1991 GMC Sierra 2002 Daewoo Leganza 1999 Dodge Ram 2007 Honda CR-V 2003 BMW 325i 
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#3
11-20-2002, 10:33 AM
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Re: 91 Auto Si 1.6L Idea
Quote:
It could be done... would be just like a mini-me right? But since the Si head is MPFI, you'd have to use an auto ECU from a Civic EX, right? Oh well, maybe I'm wrong, but who knows... 
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Honda Enthusiast
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#4
11-20-2002, 11:49 AM
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-Shawn '91 Civic DX sedan DOHC ZC, I,H,E, urethane bushings and mount inserts, rock chipped hood, some rust, stock steelies, nice comfy Integra seats, and the A/C works! What else could you want from an 18 year old car with 241,000 miles? Working on getting the Si tranny in now 
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#5
11-20-2002, 12:32 PM
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it can be done but is a waste of time. techinically, the Si head doesn't have MPFI. it's the intake mani. so if you want a gain get the si intake mani and pm6 ecu....but good luck finding an AT pm6
 the dx and si head are 99% identical. the si has a slightly more aggressive cam grind...but not really much to matter. we have a few blocks and head laying around...played around with a few. have swapped them around and found no real HP gain or loss. it's all in the MPFI
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"hi! my name is Lady, and i'm a HONDA-holic" ..don't make me send Setanta over in his Waambulance to give you an aloe tissue for your sensitive nose!  *~  ~> USeR GUiDELiNeS*<~ ~*I <3 the G Ride ~*~ I <3 OLD SKooL
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#6
11-20-2002, 12:35 PM
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Re: Re: 91 Auto Si 1.6L Idea
Quote:
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"hi! my name is Lady, and i'm a HONDA-holic" ..don't make me send Setanta over in his Waambulance to give you an aloe tissue for your sensitive nose! *~ ~> USeR GUiDELiNeS*<~ ~*I <3 the G Ride ~*~ I <3 OLD SKooL
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#7
11-20-2002, 01:03 PM
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Re: Re: Re: 91 Auto Si 1.6L Idea
Quote:
Hey crxlvr might your friend want to sell his Si intake manifold and Si ECU? :toothless
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Honda Enthusiast
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#8
11-20-2002, 01:25 PM
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Re: Re: Re: Re: 91 Auto Si 1.6L Idea
Quote:
You need a auto ECU. I have a auto ECU from a 89 teg for sale btw.
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#10
11-20-2002, 06:18 PM
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Swap
I wouldn't really mess with swapping the head as much as i would do the MPFI swap. If you wanted to have fun you could throw a VTEC head on there and drive to Walmart faster than you could before.
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#11
11-22-2002, 12:27 AM
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my friend is currently using his ECU for his ZC swap, but the intake manny im sure he'd sell, make an offer.
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Name: Scott Stable Of Cars I have Owned: 1991 Honda CRX 1990 Oldsmobile Cutlass Supreme 2003 Honda Accord 1998 Chrysler Concorde 2007 Honda Civic 1997 Toyota Camry 1995 Saturn SC2 1996 Ford Taurus 1991 GMC Sierra 2002 Daewoo Leganza 1999 Dodge Ram 2007 Honda CR-V 2003 BMW 325i
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