Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

D16Y8 N/A with SpeedFactory long rods and pistons. What can I expect performance wise

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Old Apr 21, 2020 | 06:20 PM
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Default D16Y8 N/A with SpeedFactory long rods and pistons. What can I expect performance wise

So, let me start off by saying this has been a bit of a roller coaster doing up this 97 Sol. I started off wanting to boost it, but due to inspection limitations in my state/county, I dropped that dream and just went N/A so I could have a car to drive. I built the motor to handle the added stress of a turbo, but now I feel like I went a bit overkill due to poor planning, stupid on my part I know. Anyways, my question is this, with a D16Y8 built with the SpeedFactory long rods and Vitara pistons, basic CAI and a 3" exhaust system, am I really going to see any performance gains on factory injectors and a stock ECU? Am I gonna have any drive-ability issues with the slightly higher compression? I'm in unknown waters and just would like to fish for some info from the more experienced members on this forum. Any kind of info or suggestions would be appreciated. Please don't flame my ignorance too much!

Edit: I did do the motor up with fresh bearings all around, seals, gaskets, water pump, oil pump (shimmed and ported), and also has ARP head studs with a fresh Honda OEM head gasket, and pretty much any other maintenance I could do while the engine was torn apart.
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Old Apr 21, 2020 | 07:29 PM
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Default Re: D16Y8 N/A with SpeedFactory long rods and pistons. What can I expect performance

Shitty *** ride with no tune?
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Old Apr 21, 2020 | 07:43 PM
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Default Re: D16Y8 N/A with SpeedFactory long rods and pistons. What can I expect performance

I'm sorry, but what exactly makes it "shitty"?
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Old Apr 22, 2020 | 06:00 AM
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Default Re: D16Y8 N/A with SpeedFactory long rods and pistons. What can I expect performance

No tune.
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Old Apr 22, 2020 | 06:37 AM
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Default Re: D16Y8 N/A with SpeedFactory long rods and pistons. What can I expect performance

Well I don't think that inheritantly makes it shitty per say 😂. I've read on a couple threads here that a small increase in compression can be done on a factory ecu. As long as you're running a higher octane it should be okay, no? I only went from the stock 7.8.1 to 8.8.1 if I remember those figures correctly.
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Old Apr 22, 2020 | 08:53 AM
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Default Re: D16Y8 N/A with SpeedFactory long rods and pistons. What can I expect performance

If you had any proof of this you wouldn't be asking. Right?
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Old Apr 22, 2020 | 04:57 PM
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Default Re: D16Y8 N/A with SpeedFactory long rods and pistons. What can I expect performance

If the car is not tuned to your modifications, then it will run poorly in comparison to the stock configuration. Either a little worse to a lot worse depending on how drastic the changes are from stock.

Once you get it tuned, then you see the increases from your modifications. Until then it's trying to run it as a stock motor out of the middle ground it's factory tuned for.
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Old Apr 22, 2020 | 05:19 PM
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Default Re: D16Y8 N/A with SpeedFactory long rods and pistons. What can I expect performance

Fair enough, I'm going to look into picking up an OBD1 ecu and a hondata chip. I'll have to switch out ECU's come inspection time, but I understand.
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