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Old 10-08-2017, 05:13 AM   #1
Steerfromdarear
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Default 1990 740 2.3 turbo how to get power on the cheap

Hi all great forum I'm thinking of buying a standard 1990 740 2.3 turbo. how to get power more power without internal engine work
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Old 10-08-2017, 05:32 AM   #2
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What do I buy then
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Old 10-08-2017, 06:16 AM   #3
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Buy a standard 240 2.3 turbo. You'll look normal driving around in a car not made for 90 Year olds.

How cheap we talking here? Power cost money. We talking cutting corners?
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Old 10-08-2017, 07:45 AM   #4
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Would love other side on 200bhp
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Old 10-08-2017, 08:06 AM   #5
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No.

With a perfect stage 0~1 tune/overall condition and fairly tight engine you can install a manual boost valve in the system and push about 10~12psi... good for a much better kick in the seat than stock.

Beyond that is Kool-Aid, and serious coin to do it right.
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Old 10-08-2017, 08:20 AM   #6
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Hi all great forum I'm thinking of buying a standard 1990 740 2.3 turbo. how to get power more power without internal engine work
0 Tune, bigger exhaust, bigger turbo and a partridge in a pear tree
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Old 10-08-2017, 08:27 AM   #7
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OP can make decent power with 2.3 stock block. I can't see why he can't have a reliable 14 second car with just minor modifications. There are other cars better suited for higher performance that in the long run will cost you less. I guess it depends on how fast you want and how much your willing to work on your car.
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Old 10-08-2017, 08:30 AM   #8
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Sell the 2.3L 740, buy a 2.3L 850 with 222hp stock.


Cheap, fast, reliable, you can only pick two. The manaul transmission on the 740 is weak.
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Old 10-08-2017, 09:07 AM   #9
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Wow, now we're sending people to the dark (fwd) side? Just install a manual boost controller and an accurate boost gauge and don't go over 11psi. If you want more you'll need an afr gauge.
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Old 10-08-2017, 10:33 AM   #10
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Wow, now we're sending people to the dark (fwd) side? Just install a manual boost controller and an accurate boost gauge and don't go over 11psi. If you want more you'll need an afr gauge.
Thanks can your reply can you tell me power difference and a bit more details
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Old 10-08-2017, 11:11 AM   #11
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Thanks can your reply can you tell me power difference and a bit more details
7 additional hp per psi with the stock everything bro. So 12 psi on an otherwise stock car should yield you right at 200 bhp. Install 2.5” or bigger exhaust and it’ll be even faster and spool faster. Might be a good idea to fill fill 91/93 octane if you’re running elevated boost.

http://www.turbobricks.com/forums/sh...ad.php?t=56340

http://forums.turbobricks.com/showthread.php?t=107113
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