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#1
04-20-2005, 11:38 PM
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difference between EX and SI
Is it possible for me to put DOHC heads off of a 99 SI and put them on a 96-98 EX motor? Both are vtec motors and both are 1.6 liters. Im just wondering if there is some other critical difference between them like the computer tuning or something else. Im looking for bolt on performance that wont hinder drivability. Thanks.
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#2
04-21-2005, 12:11 AM
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Re: difference between EX and SI
They are completely different series engines. The Si is a B16A2 and the EX is a D16Y8. You can't mix/match between different series, they don't physically work together.
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#3
04-21-2005, 12:18 PM
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Re: difference between EX and SI
if you were gonna swap...youd have to do the whole engine..cant mix and match between engines
__________________
2004 Ep3
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#4
04-23-2005, 04:20 AM
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Re: difference between EX and SI
Can't head swap. SI is Dual-Over-Head-Cam (DOHC), while the EX is only Single-Over-Head-Cam (SOHC). Doesn't match up. Huge bummer. My buddy is big into saturns, and he told me they only had one block at one point for both DOHC and SOHC heads, which meant interchangeability.
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R.I.P. SLS "Youngin'", we'll miss you always!!! "To Each Their Own" - Me "You can take the racer out of the street, but you can't take the street out of the racer!" - Me
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