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Dyno Results of An Extrude-Honed BMW 6-Cylinder Engine

Dyno Results of An Extrude-Honed BMW 6-Cylinder Engine


From SPAM_gti-vr6-ownerdev.tivoli Wed Jan 28 11:55 CST 1998
From: David Ha-Sun <hasunnautilus.eng.orgella>
Date: Wed, 28 Jan 1998 12:15:16 -0600
Subject: other : power curves
To: "'corrado'" <corrado-lcorrado-club>,


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Hey guys,

This could be of some interest to you who are thinking of doing the 
ExtrudeHone process for your VR6 intake.

I got the data off the BMW list and this is for a E30 2.5L Inline 6 engine. 
Although this six is different from ours, I am curious how our intake will 
react to that process..

Hopefully this will be more useful that the EastCoastRiceBoring crap -- :)

 

Note : These are cummulative HP's - that is the HP for the Intake curve 
reflects the addition of (Chip + Exhaust + ExtrudeHone process)

D
Ps : I left the turbo curves out..for more resolution..

[[
hp curve		Stock	Chip	Ext	IntMan	Turbo
	2000	56	60	62	62	92
	2500	70	75	77	77	130
	3000	82	85	88	88	184
	3500	98	100	105	106	216
	4000	125	132	139	149	237
	4500	140	152	157	163	265
	5000	150	165	175	181	277
	5500	163	173	183	191	290
	5750	167	177	185	194	293
	6000	161	172	180	190	290
	6500	142	154	171	183	259

torque curve		Stock	Chip	Ext	IntMan	Turbo
	2000	147	158	163	163	242
	2500	147	158	162	162	273
	3000	144	149	154	154	322
	3500	147	164	158	159	324
	4000	164	173	183	196	311
	4500	158	177	183	190	309
	5000	158	173	184	190	290
	5500	156	165	175	182	277
	5750	153	162	169	176	268
	6000	141	151	158	166	254
	6500	115	124	138	148	209
]]



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