diff --git a/selfdrive/car/tests/test_models.py b/selfdrive/car/tests/test_models.py
index d372a673cc..52e284d95f 100755
--- a/selfdrive/car/tests/test_models.py
+++ b/selfdrive/car/tests/test_models.py
@@ -2,6 +2,7 @@
 import capnp
 import os
 import importlib
+import time
 import pytest
 import random
 import unittest
@@ -10,6 +11,8 @@ from typing import List, Optional, Tuple
 from parameterized import parameterized_class
 import hypothesis.strategies as st
 from hypothesis import HealthCheck, Phase, assume, given, settings, seed
+from pympler.tracker import SummaryTracker
+import gc
 
 from cereal import messaging, log, car
 from openpilot.common.basedir import BASEDIR
@@ -171,6 +174,7 @@ class TestCarModelBase(unittest.TestCase):
   @classmethod
   def tearDownClass(cls):
     del cls.can_msgs
+    gc.collect()
 
   def setUp(self):
     # print('SETUP HEREHEREHEREHEREHEREHEREHEREHEREHEREHEREHEREHEREHEREHEREHEREHEREHERE')
@@ -187,7 +191,18 @@ class TestCarModelBase(unittest.TestCase):
     self.assertEqual(0, set_status, f"failed to set safetyModel {cfg}")
     self.safety.init_tests()
 
-  @settings(max_examples=1000, deadline=None,
+    # self.tracker = SummaryTracker()
+    # for _ in range(5):
+    #   self.tracker.print_diff()
+
+  # def tearDown(self):
+  #   self.tracker.print_diff()
+  #   # for _type, num_objects, total_size in self.tracker.diff():
+  #   #   print(_type, num_objects, total_size)
+  #   #   # with self.subTest(_type=_type):
+  #   #   #   self.assertLess(total_size / 1024, 10, f'Object {_type} ({num_objects=}) grew larger than 10 kB while uploading file')
+
+  @settings(max_examples=3000, deadline=None,
             phases=(Phase.reuse, Phase.generate, ),
             suppress_health_check=[HealthCheck.filter_too_much, HealthCheck.too_slow, HealthCheck.large_base_example],
             )
@@ -201,6 +216,7 @@ class TestCarModelBase(unittest.TestCase):
     # self.assertEqual(0, set_status, f"failed to set safetyModel {cfg}")
     # self.safety.init_tests()
 
+
     # bus = 0  # random.randint(0, 3)
     bus_offset = CanBusBase(None, fingerprint=self.fingerprint).offset
     bus = bus_offset
@@ -225,6 +241,7 @@ class TestCarModelBase(unittest.TestCase):
 
     msg_strategy = st.binary(min_size=size, max_size=size)
     msgs = data.draw(st.lists(msg_strategy, min_size=20))
+    # time.sleep(8)
     # print(len(msgs))
 
     prev_panda_gas = self.safety.get_gas_pressed_prev()
@@ -246,6 +263,7 @@ class TestCarModelBase(unittest.TestCase):
       #   self.safety.set_gas_interceptor_detected(False)
       print()
 
+      # for i in range(100):
       to_send = libpanda_py.make_CANPacket(address, bus, dat)
       did_rx = self.safety.safety_rx_hook(to_send)
 
@@ -255,6 +273,7 @@ class TestCarModelBase(unittest.TestCase):
 
       CC = car.CarControl.new_message()
       CS = self.CI.update(CC, (can.to_bytes(),))
+      # continue
 
       # test multiple CAN packets as well as multiple messages per CAN packet
       # for (_dat1, _dat2) in ((dat1, dat2), (dat3, dat4)):