Pushrod Length

Reply Subscribe

Thread Tools

Search this Thread

Sep 26, 2025 | 06:52 PM

Aidenc

Thread Starter

Heel & Toe

Joined: May 2022

Posts: 16

Likes: 1

Pushrod Length

Put in a stage 3 cam, upgraded rocker roller andlifters. Having trouble getting pushrod length right.Put in hardened 7.4" rods, stock length, dependingwhat valve Spring is compressed one or tworockers will have up and down play. First rocker shown has adjustable 7.425" rod and play is quite minimal, compared to the stock one that has play. Should I go ahead and get the 7.425" rods? The rest are tight and only have side to side play
https://youtu.be/OV7LSZ1jdxw

Sep 27, 2025 | 06:33 PM

ringram

Instructor

Joined: Jan 2006

Posts: 223

Likes: 72

From: Rocky Mountains USA

Ideally get an adjustable pushrod and measure them. It does not take that long. Then you can order whatever size suits.

Sep 27, 2025 | 07:27 PM

Aidenc

Thread Starter

Heel & Toe

Joined: May 2022

Posts: 16

Likes: 1

Quote:

Originally Posted by ringram

Ideally get an adjustable pushrod and measure them. It does not take that long. Then you can order whatever size suits.

Yeah I think that's the route I'll go

Sep 27, 2025 | 08:26 PM

davidfarmer

Race Director

Joined: Sep 1999

Posts: 12,437

Likes: 918

From: CONCORD NC

it only matters when you are on the base circle

Sep 27, 2025 | 08:37 PM

Aidenc

Thread Starter

Heel & Toe

Joined: May 2022

Posts: 16

Likes: 1

Quote:

Originally Posted by davidfarmer

it only matters when you are on the base circle

Okay, I'll double check some measurements from base circle to see how it looks, I think the stock 7.4" length should be within the 30-50 thousands preload