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Thunder Racing TR224/227 cam: specs, price & owner results
| Spec | Value |
|---|---|
| Engine | Gen III/Gen IV LS |
| Style | HYDRAULIC ROLLER |
| Status | Discontinued |
Thunder Racing is no longer in business; its published specs for this cam survive only in forum reposts, so we don't list them. Owner-reported results below are from public forum threads.
Tuning checklist
- Tune: Aftermarket cams need idle, fuel, spark and torque-model changes.
What owners report with this cam
Owner-reported numbers from public forum threads — exploratory, not verified. Dynos, heads, supporting mods and tunes differ; use these as a rough range, not a promise.
9reports
382median rear-wheel hp, NA (n=6; low-confidence reports excluded)
300–403range, same basis
| Engine | Heads | HP | TQ | Measured at | Adder | Confidence | Thread |
|---|---|---|---|---|---|---|---|
| 560 | Wheel | nitrous (150-shot wet plate) | High | ls1tech | |||
| 6.0 | 407 | 406 | Not stated | NA | High | performancetrucks.net | |
| stock | 403 | Wheel | NA | Medium | ls1tech.com | ||
| stock heads | 398 | 385 | Wheel | NA | High | ls1tech.com | |
| 383 | Wheel | NA | High | ls1tech.com | |||
| 381 | 366 | Wheel | NA | High | ls1tech.com | ||
| Stage 2.5 PRC 243 | 378 | Wheel | NA | Medium | ls1tech.com | ||
| lr4 4.8 | 300 | Wheel | NA | Medium | performancetrucks.net | ||
| 277 | Wheel | NA | Low | performancetrucks.net |
Sources
- DOD, AFM, And DFM Deletes: A Q&A With Michigan Motorsports — LSX Magazine