diff --git a/.github/workflows/sims-052.yml b/.github/workflows/sims-052.yml
index e79a04786098..b64d6332b76f 100644
--- a/.github/workflows/sims-052.yml
+++ b/.github/workflows/sims-052.yml
@@ -13,7 +13,9 @@ concurrency:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    permissions:
+      contents: read # for actions/checkout to fetch code
+    runs-on: large-sdk-runner
     if: "!contains(github.event.head_commit.message, 'skip-sims')"
     steps:
       - uses: actions/checkout@v4
@@ -25,26 +27,9 @@ jobs:
           check-latest: true
       - run: make build
 
-  install-runsim:
-    permissions:
-      contents: none
-    runs-on: ubuntu-latest
-    needs: build
-    steps:
-      - uses: actions/setup-go@v5
-        with:
-          go-version: "1.22"
-          check-latest: true
-      - name: Install runsim
-        run: go install github.com/cosmos/tools/cmd/runsim@v1.0.0
-      - uses: actions/cache@v4
-        with:
-          path: ~/go/bin
-          key: ${{ runner.os }}-go-runsim-binary
-
   test-sim-import-export:
-    runs-on: ubuntu-latest
-    needs: [build, install-runsim]
+    runs-on: large-sdk-runner
+    needs: [build]
     timeout-minutes: 60
     steps:
       - uses: actions/checkout@v4
@@ -54,17 +39,14 @@ jobs:
         with:
           go-version: "1.22"
           check-latest: true
-      - uses: actions/cache@v4
-        with:
-          path: ~/go/bin
-          key: ${{ runner.os }}-go-runsim-binary
       - name: test-sim-import-export
         run: |
           make test-sim-import-export
 
   test-sim-after-import:
-    runs-on: ubuntu-latest
-    needs: [build, install-runsim]
+    runs-on: large-sdk-runner
+    needs: [build]
+    timeout-minutes: 60
     steps:
       - uses: actions/checkout@v4
         with:
@@ -73,17 +55,14 @@ jobs:
         with:
           go-version: "1.22"
           check-latest: true
-      - uses: actions/cache@v4
-        with:
-          path: ~/go/bin
-          key: ${{ runner.os }}-go-runsim-binary
       - name: test-sim-after-import
         run: |
           make test-sim-after-import
 
-  test-sim-multi-seed-short:
-    runs-on: ubuntu-latest
-    needs: [build, install-runsim]
+  test-sim-deterministic:
+    runs-on: large-sdk-runner
+    needs: [build]
+    timeout-minutes: 60
     steps:
       - uses: actions/checkout@v4
         with:
@@ -92,10 +71,22 @@ jobs:
         with:
           go-version: "1.22"
           check-latest: true
-      - uses: actions/cache@v4
+      - name: test-sim-nondeterminism-streaming
+        run: |
+          make test-sim-nondeterminism-streaming
+
+  test-sim-multi-seed-short:
+    runs-on: large-sdk-runner
+    needs: [build]
+    timeout-minutes: 60
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: "release/v0.52.x"
+      - uses: actions/setup-go@v5
         with:
-          path: ~/go/bin
-          key: ${{ runner.os }}-go-runsim-binary
+          go-version: "1.22"
+          check-latest: true
       - name: test-sim-multi-seed-short
         run: |
           make test-sim-multi-seed-short
@@ -103,7 +94,7 @@ jobs:
   sims-notify-success:
     needs:
       [test-sim-multi-seed-short, test-sim-after-import, test-sim-import-export]
-    runs-on: ubuntu-latest
+    runs-on: large-sdk-runner
     if: ${{ success() }}
     steps:
       - uses: actions/checkout@v4
@@ -130,7 +121,7 @@ jobs:
       contents: none
     needs:
       [test-sim-multi-seed-short, test-sim-after-import, test-sim-import-export]
-    runs-on: ubuntu-latest
+    runs-on: large-sdk-runner
     if: ${{ failure() }}
     steps:
       - name: Notify Slack on failure