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best tuning chip for obd1
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If you're after an OBD1 fuel rail with a brand new FPR, I have one for sale that would not cost you very much.
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Originally posted by ForcedFirebird View PostPink injectors are 21lb, and came in all the OBD2 e36's. If you use them in and OBD1 setup, it will run fairly rich without a matching chip (OBD1 used 17lb).
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Pink injectors are 21lb, and came in all the OBD2 e36's. If you use them in and OBD1 setup, it will run fairly rich without a matching chip (OBD1 used 17lb).
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Originally posted by pazi88 View PostS54 is rated for 269ft-lbs for 3.2 litre engine. And the dyno graph on the first page had 276ft-lbs from crank with 15% drivetrain loss from 3 liter engine. That's 92ft-lbs per liter and the s54 "only" puts out 84ft-lbs per liter even though it's way more sophisticated engine than m5x ones. 240 ft-lbs from crank is probably much closer to the reality than from wheels. But I will stop this here. No worth going this back and forth..
this thread makes my brain hurt. Stop trying to calculate BHP from the wheels. It's pointless - dyno's are a tool, used to tune the engine, not a dick measuring stick..
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Originally posted by CMBusch View PostAren't pink tops the stock injectors on M52s? If so you'll be fine. If not, get a tune. The ECU won't be able to compensate for the added flow of upgraded injectors. Other than that it's mostly stock so it'll work without a tune. Getting a tune will give you a bump in power but it is more worth it when you have more mods.
Right now I'd just like to get it running right and then be able to mod it. Would like to do m50 intake and s52 cams.
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Originally posted by TeXJ View PostHow do I know if I need a chip for my car?
Right now I have the "hot intake", ebay longtube headers with no cats that go to a muffler.
Also has the pink top injectors. Other than that it is stock.
Will the car run "rough" without a tune or just not have enough power?
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Originally posted by pazi88 View Post270whp and 240ft-lbs from wheels? Please tell me how that is done because with nominal 15% drivetrain loss that is 310hp and 276ft-lbs from crank which are figures that make you the worlds best engine tuner ever. Thats 92ft-lbs per litre which would you put on the top list of most torque per litre on NA engine, beating manufacturers that have used big money and years of development for their race engines.
If that's crank hp, not whp, those numbers are more feasible. But still I would like to know what has done to the engine, because it's still not easy figure to get out of m5x based engine.
the losses for a RWD manual will be lower than people think and particularly so at peak torque
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S54 is rated for 269ft-lbs for 3.2 litre engine. And the dyno graph on the first page had 276ft-lbs from crank with 15% drivetrain loss from 3 liter engine. That's 92ft-lbs per liter and the s54 "only" puts out 84ft-lbs per liter even though it's way more sophisticated engine than m5x ones. 240 ft-lbs from crank is probably much closer to the reality than from wheels. But I will stop this here. No worth going this back and forth..
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Originally posted by pazi88 View PostYes pretty much as I said. Mechanical mods and engine tuned for those makes more hp.
But my original point was those unnaturally high TORQUE numbers previously compared to engine displacement = false hp readings from those dynojet dyno results. You can't say that this or that particular tuner is better than some other if these better tune results are based on false dyno readings.
You do realize engines can achieve over 100% ve?
Even if the numbers don't match what you think they should, I have been using the same dyno for 8yrs, so if the tuned numbers are skewed, then so are the base numbers - making the gains valid. As I posted earlier in this thread I have dyno'd stock s52's on the same dyno and they come in at about 210whp. You really think that number is "that" inflated compared to the stock 240bhp rating?
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Car also ran a 13.1 three times the same night with a 2.1 60ft on the dragstrip. 105mph trap speed. (all from memory)
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Originally posted by pazi88 View PostYes pretty much as I said. Mechanical mods and engine tuned for those makes more hp.
But my original point was those unnaturally high TORQUE numbers previously compared to engine displacement = false hp readings from those dynojet dyno results. You can't say that this or that particular tuner is better than some other if these better tune results are based on false dyno readings.
I’m with you here; I don’t believe in Dynojet.
Bolt on dyna pack is the way to go
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