J32A2 V6 engine to S2000 6-speed (J2F swap)
into S2000 AP1 (from CL Type-S)

YA4 CL Type-S 2001-2003
→
AP1 S2000 AP1 1999-2003

Yes: the J32A2 V6 engine to S2000 6-speed (J2F swap) from the CL Type-S (2001-2003) fits the S2000 AP1 (1999-2003) — difficult difficulty, modifications required.

Also fits S2000 AP2 (2nd gen) →
Verdict
Fits.
Verified entry · modifications required
Verified ✓
Difficulty
Difficult
Mods
Required
Category
Engine

Installation notes

Yes — the J32A2 V6 from a 2001-2003 Acura CL Type-S (YA4) can be fitted to a 2000-2009 Honda S2000 (AP1/AP2) longitudinally, mated to the factory S2000 6-speed via an InlinePRO J2F adapter plate. InlinePRO sells the adapter, flywheel and starter spacers, mount brackets and headers for this conversion, and Innovative Mounts sells a matching 80950 mount kit. Innovative lists the kit for J32A engines and warns that J35/J37 may need extra modification. This is a custom swap: the engine is turned 90 degrees from its original transverse layout, so expect fabrication throughout.
ModsMods req.

Required modifications

Adapter: InlinePRO J2F GEN1 adapter plate (J32A2 or J35A3 to the S2000 6-speed manual) or J2F GEN2 plate for J35A8-style engines. InlinePRO also lists a J-series flywheel spacer (to use the stock flywheel and clutch), a starter spacer (starter sits under the engine; K20A2 starter recommended) and S2000 J2F engine mount brackets for use with OE S2000 mounts. Alternatively, Innovative Mounts 80950 J-series conversion mount kit for 00-09 S2000, which requires the InlinePRO J-to-F adapter plate. Innovative states the J-series oil filter area must be modified to fit and some chassis modification may be needed. Also needed: headers (InlinePRO sells J2F headers), custom wiring/ECU, cooling and intake.

Caution

Important caveats

  • Innovative Mounts states the J-series oil filter section must be modified for the engine to fit, and some chassis modification may be necessary.
  • Innovative's kit does not include mounting hardware and requires the InlinePRO adapter plate.
  • InlinePRO's GEN1 plate covers J32A2/J35A3; J35A8-style engines need the GEN2 plate (special order).
  • Neither vendor page describes wiring or ECU integration; budget for standalone or custom engine management.

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Reference

F20C specs → LEB-H5 specs → J37A4 specs → J32A3 specs → J32A2 specs → J32A1 specs → B18A1 specs → J35Z6 specs → J35Z2 specs → J35Y2 specs → J35Y1 specs → J35Z3 specs → B18B1 specs → EA specs → EC specs → ED specs → EE specs → EG specs → EL specs → EN specs → EP specs → ER specs → ES specs → ET specs → J35A1 specs → J35A3 specs → J35A4 specs → J35A5 specs → J35A6 specs → J35A7 specs → J35A8 specs → J35A9 specs → J35S1 specs → J35Y4 specs → J35Y5 specs → J35Y6 specs → J35Y8 specs → J35Z1 specs → J35Z4 specs → J35Z5 specs → J35Z8 specs → J37A1 specs → J37A2 specs → J37A5 specs → S20 Transmission → RNE ECU → S20 →

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Sources

7 refs
  1. 01 https://innovativemounts.com/products/00-09-s2000-conversion-mount-kit-j-series-manual
  2. 02 https://inlinepro.com/products/inlinepro-j2f-gen1-adapter-plate
  3. 03 https://inlinepro.com/products/inlinepro-s2000-j2f-engine-mount-brackets
  4. 04 https://inlinepro.com/products/inlinepro-s2000-j2f-custom-headers
  5. 05 https://inlinepro.com/products/inlinepro-j2f-gen2-adapter-plate-special-order-only
  6. 06 https://inlinepro.com/products/inlinepro-flywheel-spacer
  7. 07 https://inlinepro.com/products/inlinepro-j-series-starter-spacer
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