Quote:
Originally Posted by lee polowczuk
are there any cost effective engine modifications for a 103
We have a 1989 300ce in mint condition.. don't want to mess it up...but wouldn't mind seeing a bit more performance...
the suspension is already modified with springs and bilstein sports... we also have a ronal exhaust on it...
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Pretty much the entire performance section of the forum is dedicated to M103 upgrades. The M103 lends itself very well to forced induction, provided a way to add fuel is devised. The M104 is no slouch either, these engines are extremely underrated for power potential (mainly because they're in midsize sedans and don't really get modified like a Supra for example). Many have gone FI on the M103, many of us are still trying to scrounge up the funds for a spare/mockup engine. Off the shelf and/or cheap modifications really aren't available other than making sure everything is clean and working properly--its go big or go home.
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TC
Current stable:
- 2004 Mazda RALLYWANKEL
- 2007 Saturn sky redline
- 2004 Explorer...under surgery.
Past: 135i, GTI, 300E, 300SD, 300SD, Stealth
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