So I got my 4.0 swapped 530 on the dyno this morning and it made a pretty disappointing 219hp and 235tq, are these numbers normal for stock, where should I start to look to get some more power out of the old girl? It has a dinan chipped ecu but that’s all I know about the tune as I did not buy it
Were going to need to know what kind of dyno it was, what mods the car has and what transmission it is.
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Nik
91' M5 3.9L Stroker
92' M5 3.8L
95' 540i6 Supercharged
95' 540i6 4.7 Stroker
95' 550i6 M70 Conversion
The dyno was a dyno jet, ac delete, clutch fan delete, no emission controls, cat and muffler delete, the exhaust is 2-1/4”, trans is the 530 5speed
404
Idles pretty steady at about 600, and I’ll get around to doing a compression test sometime today and post the results
540
Comp test(psi)
#1-150
#2-160
#3-160
#4-165
#5-155
#6-145
#7-155
#8-0
Looks like I’ve got a dead one🤔
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The engine and ecu came out of @atl530i’ sterling silver 540
Shoot. GL man.
Last edited by 401michael; 04-28-2019 at 04:22 AM.
It’s the one that ended up in the car when he was finished, the the quarter panel got backed into and it was parted out
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^ M540fella
And it still made 220 hp. Awesome.
Would have been 250 with all 8 hitting which is about average.
If you have to do it again, go 4.4.
220 hp
“540 the m5 killer”. XD
Dang yea if it’s toast go for the m62
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Nik
91' M5 3.9L Stroker
92' M5 3.8L
95' 540i6 Supercharged
95' 540i6 4.7 Stroker
95' 550i6 M70 Conversion
You have one dead and seven weak ones. Time for an M62.
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