diff --git a/index.ts b/index.ts
index 0a54196f5cc..aae9dcf1498 100644
--- a/index.ts
+++ b/index.ts
@@ -103,8 +103,8 @@ async function simRetryable(sr: SimulationResult, simname: string) {
     })
   }
   const simresults = []
+  let offset = 10000
   for (const { inboxMessageEvent, bridgeMessageEvent } of messages) {
-    let offset = 10000
     if (bridgeMessageEvent.kind === InboxMessageKind.L1MessageType_submitRetryableTx) {
       const parser = new SubmitRetryableMessageDataParser()
       const parsedRetryable = parser.parse(inboxMessageEvent.data)
diff --git a/sims/arbcore-aip7.sim.ts b/sims/arbcore-aip7.sim.ts
new file mode 100644
index 00000000000..503f29f66e5
--- /dev/null
+++ b/sims/arbcore-aip7.sim.ts
@@ -0,0 +1,41 @@
+/**
+ * @notice Simulation configuration file for AIP 7
+ */
+import { ethers } from 'ethers'
+import { SimulationConfigNew } from '../types'
+
+const ARBSYS = '0x0000000000000000000000000000000000000064'
+
+
+// from https://github.com/ArbitrumFoundation/governance/blob/4d59e726e2836be325ca89928ca2d66308faefff/scripts/proposals/AIP7/data/42161-AIP7-data.json
+const aip4 = {
+  arbSysSendTxToL1Args: {
+    l1Timelock: '0xE6841D92B0C345144506576eC13ECf5103aC7f49',
+    calldata:
+      '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',
+  },
+}
+const iface = new ethers.utils.Interface(['function sendTxToL1(address,bytes)'])
+const calldata = iface.encodeFunctionData('sendTxToL1', [
+  aip4.arbSysSendTxToL1Args.l1Timelock,
+  aip4.arbSysSendTxToL1Args.calldata,
+])
+
+const call1 = {
+  target: ARBSYS,
+  calldata: calldata,
+  value: 0,
+  signature: '',
+}
+
+export const config: SimulationConfigNew = {
+  type: 'new',
+  daoName: 'ArbCore',
+  governorType: 'arb',
+  governorAddress: '0xf07ded9dc292157749b6fd268e37df6ea38395b9',
+  targets: [call1.target], // Array of targets to call.
+  values: [call1.value], // Array of values with each call.
+  signatures: [call1.signature], // Array of function signatures. Leave empty if generating calldata with ethers like we do here.
+  calldatas: [call1.calldata], // Array of encoded calldatas.
+  description: 'AIP7 Simulation',
+}