AutoLine Pro Model 702B
The cheapest EVAP-safe machine here, for an occasional DIY leak hunt. Like the Model 01, it has one low pressure and no gauge.
Amazon $55.78$55.78
The AutoLine Pro Model 702B rates 3.5 among with an EVAP mode automotive smoke machines; the Thikpo SMT-108-Pro rates 3.4 among no EVAP mode stated ones. The AutoLine Pro Model 702B costs $38.21 less ($55.78 vs $93.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Thikpo SMT-108-Pro
A budget gauge-and-flow-meter machine for vacuum and intake leaks. EVAP testing needs a separate regulator.
Amazon $93.99$93.99
Scores side by side
These two sit in different type classes (with an EVAP mode and no EVAP mode stated), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | AutoLine Pro Model 702B | Thikpo SMT-108-Pro |
|---|---|---|
| Overall rating | 3.5/5 | 3.4/5 |
| Value 30% | 96 $55.78 | 75 $93.99 |
| Pressure coverage 25% | 50 EVAP-safe low pressure, up to 1 PSI | 36 up to 15 PSI |
| Measurement 20% | 0 no gauge or flow meter listed, scored as none | 80 pressure gauge, flow meter |
| Features 15% | 45 built-in air pump, fluid included | 45 built-in air pump, fluid included |
| Warranty 10% | 100 3-year warranty | 0 1-year warranty |
Specifications
| AutoLine Pro Model 702B | Thikpo SMT-108-Pro | |
|---|---|---|
| Pressure and smoke | ||
| EVAP mode | Yes | No |
| Output pressure | 1 PSI | 10-15 PSI |
| Smoke output | 5 L/min | - |
| Pressure display | - | Gauge |
| Flow meter | - | Yes |
| Power and fluid | ||
| Air source | Built-in pump | Built-in pump |
| Smoke fluid | maker fluid | maker fluid or baby oil |
| Fluid included | Yes | Yes |
| In the box | ||
| Cap plugs | - | 7 pieces |
| Warranty | 3 years | 1 year |