diff --git a/yarn-project/end-to-end/src/e2e_p2p/gossip_network.test.ts b/yarn-project/end-to-end/src/e2e_p2p/gossip_network.test.ts
index f9cbc273adfc..10f9b4e9c98a 100644
--- a/yarn-project/end-to-end/src/e2e_p2p/gossip_network.test.ts
+++ b/yarn-project/end-to-end/src/e2e_p2p/gossip_network.test.ts
@@ -7,7 +7,7 @@ import fs from 'fs';
 import { shouldCollectMetrics } from '../fixtures/fixtures.js';
 import { type NodeContext, createNodes } from '../fixtures/setup_p2p_test.js';
 import { AlertChecker, type AlertConfig } from '../quality_of_service/alert_checker.js';
-import { P2PNetworkTest, WAIT_FOR_TX_TIMEOUT } from './p2p_network.js';
+import { P2PNetworkTest, SHORTENED_BLOCK_TIME_CONFIG, WAIT_FOR_TX_TIMEOUT } from './p2p_network.js';
 import { createPXEServiceAndSubmitTransactions } from './shared.js';
 
 const CHECK_ALERTS = process.env.CHECK_ALERTS === 'true';
@@ -41,6 +41,9 @@ describe('e2e_p2p_network', () => {
       numberOfNodes: NUM_NODES,
       basePort: BOOT_NODE_UDP_PORT,
       metricsPort: shouldCollectMetrics(),
+      initialConfig: {
+        ...SHORTENED_BLOCK_TIME_CONFIG,
+      },
     });
 
     await t.setupAccount();
diff --git a/yarn-project/end-to-end/src/e2e_p2p/p2p_network.ts b/yarn-project/end-to-end/src/e2e_p2p/p2p_network.ts
index 8d901f16d7c8..0d2305540fa1 100644
--- a/yarn-project/end-to-end/src/e2e_p2p/p2p_network.ts
+++ b/yarn-project/end-to-end/src/e2e_p2p/p2p_network.ts
@@ -38,6 +38,13 @@ const BOOTSTRAP_NODE_PRIVATE_KEY = '080212208f988fc0899e4a73a5aee4d271a5f2067060
 const l1ContractsConfig = getL1ContractsConfigEnvVars();
 export const WAIT_FOR_TX_TIMEOUT = l1ContractsConfig.aztecSlotDuration * 3;
 
+export const SHORTENED_BLOCK_TIME_CONFIG = {
+  aztecEpochDuration: 4,
+  aztecSlotDuration: 12,
+  ethereumSlotDuration: 4,
+  aztecProofSubmissionWindow: 4 * 2 - 1, // epoch_duration * 2 - 1
+};
+
 export class P2PNetworkTest {
   private snapshotManager: ISnapshotManager;
   private baseAccount;
@@ -86,13 +93,19 @@ export class P2PNetworkTest {
       process.env.E2E_DATA_PATH,
       {
         ...initialValidatorConfig,
-        ethereumSlotDuration: l1ContractsConfig.ethereumSlotDuration,
+        ethereumSlotDuration: initialValidatorConfig.ethereumSlotDuration ?? l1ContractsConfig.ethereumSlotDuration,
+        aztecEpochDuration: initialValidatorConfig.aztecEpochDuration ?? l1ContractsConfig.aztecEpochDuration,
+        aztecSlotDuration: initialValidatorConfig.aztecSlotDuration ?? l1ContractsConfig.aztecSlotDuration,
+        aztecProofSubmissionWindow:
+          initialValidatorConfig.aztecProofSubmissionWindow ?? l1ContractsConfig.aztecProofSubmissionWindow,
         salt: 420,
         metricsPort: metricsPort,
         numberOfInitialFundedAccounts: 1,
       },
       {
         aztecEpochDuration: initialValidatorConfig.aztecEpochDuration ?? l1ContractsConfig.aztecEpochDuration,
+        ethereumSlotDuration: initialValidatorConfig.ethereumSlotDuration ?? l1ContractsConfig.ethereumSlotDuration,
+        aztecSlotDuration: initialValidatorConfig.aztecSlotDuration ?? l1ContractsConfig.aztecSlotDuration,
         aztecProofSubmissionWindow:
           initialValidatorConfig.aztecProofSubmissionWindow ?? l1ContractsConfig.aztecProofSubmissionWindow,
         assumeProvenThrough: assumeProvenThrough ?? Number.MAX_SAFE_INTEGER,
diff --git a/yarn-project/end-to-end/src/e2e_p2p/rediscovery.test.ts b/yarn-project/end-to-end/src/e2e_p2p/rediscovery.test.ts
index 9412a272ef3b..c611d6712279 100644
--- a/yarn-project/end-to-end/src/e2e_p2p/rediscovery.test.ts
+++ b/yarn-project/end-to-end/src/e2e_p2p/rediscovery.test.ts
@@ -5,7 +5,7 @@ import fs from 'fs';
 
 import { shouldCollectMetrics } from '../fixtures/fixtures.js';
 import { type NodeContext, createNode, createNodes } from '../fixtures/setup_p2p_test.js';
-import { P2PNetworkTest, WAIT_FOR_TX_TIMEOUT } from './p2p_network.js';
+import { P2PNetworkTest, SHORTENED_BLOCK_TIME_CONFIG, WAIT_FOR_TX_TIMEOUT } from './p2p_network.js';
 import { createPXEServiceAndSubmitTransactions } from './shared.js';
 
 // Don't set this to a higher value than 9 because each node will use a different L1 publisher account and anvil seeds
@@ -26,6 +26,9 @@ describe('e2e_p2p_rediscovery', () => {
       basePort: BOOT_NODE_UDP_PORT,
       // To collect metrics - run in aztec-packages `docker compose --profile metrics up` and set COLLECT_METRICS=true
       metricsPort: shouldCollectMetrics(),
+      initialConfig: {
+        ...SHORTENED_BLOCK_TIME_CONFIG,
+      },
     });
     await t.setupAccount();
     await t.applyBaseSnapshots();
diff --git a/yarn-project/end-to-end/src/e2e_p2p/reqresp.test.ts b/yarn-project/end-to-end/src/e2e_p2p/reqresp.test.ts
index 16ee4aceb0b1..61d6b64f988b 100644
--- a/yarn-project/end-to-end/src/e2e_p2p/reqresp.test.ts
+++ b/yarn-project/end-to-end/src/e2e_p2p/reqresp.test.ts
@@ -8,7 +8,7 @@ import { getContract } from 'viem';
 
 import { shouldCollectMetrics } from '../fixtures/fixtures.js';
 import { type NodeContext, createNodes } from '../fixtures/setup_p2p_test.js';
-import { P2PNetworkTest, WAIT_FOR_TX_TIMEOUT } from './p2p_network.js';
+import { P2PNetworkTest, SHORTENED_BLOCK_TIME_CONFIG, WAIT_FOR_TX_TIMEOUT } from './p2p_network.js';
 import { createPXEServiceAndSubmitTransactions } from './shared.js';
 
 // Don't set this to a higher value than 9 because each node will use a different L1 publisher account and anvil seeds
@@ -29,6 +29,9 @@ describe('e2e_p2p_reqresp_tx', () => {
       basePort: BOOT_NODE_UDP_PORT,
       // To collect metrics - run in aztec-packages `docker compose --profile metrics up`
       metricsPort: shouldCollectMetrics(),
+      initialConfig: {
+        ...SHORTENED_BLOCK_TIME_CONFIG,
+      },
     });
     await t.setupAccount();
     await t.applyBaseSnapshots();
diff --git a/yarn-project/end-to-end/src/e2e_p2p/upgrade_governance_proposer.test.ts b/yarn-project/end-to-end/src/e2e_p2p/upgrade_governance_proposer.test.ts
index 33156d50a779..bbb8a5291d82 100644
--- a/yarn-project/end-to-end/src/e2e_p2p/upgrade_governance_proposer.test.ts
+++ b/yarn-project/end-to-end/src/e2e_p2p/upgrade_governance_proposer.test.ts
@@ -15,7 +15,7 @@ import { getAddress, getContract } from 'viem';
 
 import { shouldCollectMetrics } from '../fixtures/fixtures.js';
 import { createNodes } from '../fixtures/setup_p2p_test.js';
-import { P2PNetworkTest } from './p2p_network.js';
+import { P2PNetworkTest, SHORTENED_BLOCK_TIME_CONFIG } from './p2p_network.js';
 
 // Don't set this to a higher value than 9 because each node will use a different L1 publisher account and anvil seeds
 const NUM_NODES = 4;
@@ -42,6 +42,9 @@ describe('e2e_p2p_governance_proposer', () => {
       basePort: BOOT_NODE_UDP_PORT,
       // To collect metrics - run in aztec-packages `docker compose --profile metrics up`
       metricsPort: shouldCollectMetrics(),
+      initialConfig: {
+        ...SHORTENED_BLOCK_TIME_CONFIG,
+      },
     });
     await t.applyBaseSnapshots();
     await t.setup();