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  1. S

    9:1 compression with boost?

    Cool! (hmmm... Scramble boost + nitrous and 100 octane?) :bigsmile: I knew a guy who had a spare tank in the trunk that switched from 100 octane to methanol with 10% nitromethane when he put the throttle all the way open. Naturally aspirated and very tuned. Was in a 70's muscle car like a...
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    9:1 compression with boost?

    Thank you very much. I will probably go for the steel sleeves on my current setup. I will be starting out at 10psi (that's just my minimum starting point), see what results I get (I have a friend whose brother owns a shop and he will be helping me with the tuning) then up it from there. I'm only...
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    No forum for Saturns!

    Nice to have another Saturn guy on here with me. Welcome!
  4. S

    9:1 compression with boost?

    Yes, the 91 octane here in the US is equal to 95-96 RON in the UK.
  5. S

    9:1 compression with boost?

    What kind of fuel are you running?
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    9:1 compression with boost?

    Yes, it is a "lost foam" cast aluminum block. I actually have to travel about 100 miles or so to get e-85 (I live in one of the states that happens to not have it unfortunately) Could someone give me a decent whp estimate of 10 psi of boost on 91 octane with my setup (just a guess will do)...
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    9:1 compression with boost?

    Yes, I know, and that is why I was asking. 91 is the highest readily available pump gas I can get where I live, a few stations have 93, but that would be the highest I can get here, and I just want to be able to use what's available for convenience. The car, with only a cold air intake and...
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    9:1 compression with boost?

    The engine is a cast aluminum GM "LLO" engine, it is a 1.9L inline 4 cylinder engine with a bore of 3.23 inches (82mm) and a stroke of 3.54 inches (90mm). For heat, I will be going 2 heat ranges colder for the spark plugs, and retarding ignition timing based on boost pressures. Also, yes, I...
  9. S

    9:1 compression with boost?

    What is the highest amount of boost that I can (safely; conservative numbers) run (from a turbocharger) on 9:1 compression, with 91 octane pump gas? A little info on the application: 9:1 compression (as stated) Inline 4-cylinder engine with Dual Overhead Cams, 4 valves per cylinder cnc...
  10. S

    No forum for Saturns!

    Yeah, like when I remove the door panels, I'll probably put some kind of fabric over it so it still looks ok.
  11. S

    No forum for Saturns!

    yeah, i'm hesitant to remove sound deadening. I'm not going to go all-out, just a quick street car. I'm ok with losing the A/C (I can just roll the windows down, I usually have mine half way down anyways), I'd prefer to keep my stereo though. Also losing the gas tank means I no longer have to...
  12. S

    No forum for Saturns!

    Yeah, I can remove the spare tire, put lighter front seats in, remove rear seat, take out door panels, swap windows out with lexan (polycarbonate), possibly swap to manual windows, and pull out the center console. Also, lighter alloy wheels should lower the weight as well. Would taking out the...
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    Best Standalone Engine Management System?

    Yep, I'm in the US. Megasquirt is a name that I've heard tossed around a good bit, so I know it's popular over here too.
  14. S

    No forum for Saturns!

    YES! I didn't think about that. Thank you so much for suggesting. Where should I start? The body is all fiberglass. I guess I could get some lightweight racing seats? What else?
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    Best Standalone Engine Management System?

    Would it be better to use a separate controller or the built in one in a stand alone system? I know the standalone system with built in nitrous controller would be more simple because you wouldn't have to deal with a bunch of separate controllers, but I was just wondering your opinion (maybe...
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    Best Standalone Engine Management System?

    Yes, I will be getting an electronic boost controller as well. I also wanted to make a note, just to clarify, that 135whp is N/A with only a cold air intake and full header back exhaust. I am going to get the stand alone once I purchase all the turbo parts, and upgrade pumps, injectors, filters...
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    Best Standalone Engine Management System?

    Hey, I have a 1.9L I-4 DOHC engine with 135whp. What is the best Standalone Engine Management System out there/which would you suggest? N/A car switching to Turbocharger. Thanks!
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    No forum for Saturns!

    Thanks! So, where should I post my questions (starting with proper sized turbo for my powerband)?
  19. S

    No forum for Saturns!

    Yes, they are GM vehicles. That makes sense, thanks! Where would be the best place to put my questions (so that I place them in the appropriate area)? The car is a 1997 Saturn SC2 It is a front-engine, front-wheel-drive (FF layout) coupe (it is one of GM's "Z" body style vehicles) 1.9L (116 cu...
  20. S

    No forum for Saturns!

    Hey guys, just joined up recently, and wanted to point out, there's no area for Saturn guys like myself. I would like some help on a build, so having a place for it would be great. Thanks! :)
  21. S

    HI all!

    Hey there, I'm SaturnSpeedster. I have a 5-speed manual '97 Saturn SC2 with a lot of potential. 1.9L DOHC "LLO" engine. Stock, it had 102 hp at the wheels, but after modifications (2 1/2" cold air intake, 90mm throttlebody, header, swapped the 2" cat to 2 1/4" high-flow cat, and 2 1/4" straight...

Please watch this on my YouTube channel & Subscribe.


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