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The BMW Range
3 Series
E30
M42 engine mods?
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<blockquote data-quote="fabianyee" data-source="post: 608600" data-attributes="member: 6"><p>If you're using the flywheel from the E30 318i M40 engine during the conversion, then it's the single mass flywheel... about 10kg.. Mine had been machined to lightened to 7.6kg.. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /> Cost? about RM150... </p><p></p><p>Electric fan - mine still on fan clutch... </p><p></p><p>Adjusting camshaft - it only move the powerband up or down the RPM range... </p><p></p><p>Chipping - make sure you get one which is coded to your DME, check the part no on the box... </p><p></p><p>My M42 has the following add-ons, nothing done yet to the engine itself... </p><p>- SMT6 piggyback ECU - to smoothen the torque curve. DIY installed and tuned. but it can't raise the rev cut, would be fun to rev it past 7,000rpm. </p><p>- custom made free flow extractor - big difference in power and torque across the RPM range. (getting some made, PM me if you're interested)</p><p>- Nology plug cables - can feel significant increase in low end torque. </p><p>- lightened stock M40 single mass flywheel (as mention above)</p><p>- Welbro high performance fuel pump. </p><p></p><p>Future plan for my M42, complete rebuild with lightened crankshaft, port and polish job, custom high volume intake plenum</p><p></p><p>Maybe a Megasquirt standalone ECU, oversized valves, solid lifters conversion, valve springs upgrade and titanium retainers, high performance cams.. 8,000rpm rev limiter... <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p><p></p><p>The list goes on.. and so is the dream... <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite7" alt=":p" title="Stick Out Tongue :p" loading="lazy" data-shortname=":p" /></p></blockquote><p></p>
[QUOTE="fabianyee, post: 608600, member: 6"] If you're using the flywheel from the E30 318i M40 engine during the conversion, then it's the single mass flywheel... about 10kg.. Mine had been machined to lightened to 7.6kg.. ;) Cost? about RM150... Electric fan - mine still on fan clutch... Adjusting camshaft - it only move the powerband up or down the RPM range... Chipping - make sure you get one which is coded to your DME, check the part no on the box... My M42 has the following add-ons, nothing done yet to the engine itself... - SMT6 piggyback ECU - to smoothen the torque curve. DIY installed and tuned. but it can't raise the rev cut, would be fun to rev it past 7,000rpm. - custom made free flow extractor - big difference in power and torque across the RPM range. (getting some made, PM me if you're interested) - Nology plug cables - can feel significant increase in low end torque. - lightened stock M40 single mass flywheel (as mention above) - Welbro high performance fuel pump. Future plan for my M42, complete rebuild with lightened crankshaft, port and polish job, custom high volume intake plenum Maybe a Megasquirt standalone ECU, oversized valves, solid lifters conversion, valve springs upgrade and titanium retainers, high performance cams.. 8,000rpm rev limiter... :D The list goes on.. and so is the dream... :p [/QUOTE]
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