HOW TO: Installing a Fuel Pump Lash Cap in an LT1 and Checking for Proper Clearances - Page 3 - CorvetteForum - Chevrolet Corvette Forum Discussion


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HOW TO: Installing a Fuel Pump Lash Cap in an LT1 and Checking for Proper Clearances

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Old 05-17-2018, 06:39 PM   #41  
FYREANT
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Originally Posted by StarFox View Post
I just wanted to say thanks for this great writeup. I installed an LT4 fuel pump on my stock cam and stock valley cover LT1. I measured for preload and max lift clearance using this guide and found it very helpful. FYI the pump was perfectly fine and did not require a lash cap.

Oh, and since I didn't have the tool for checking lobe location, I used a large socket with an outer diameter just smaller than the hole size, then I put a short extension into the socket from the wrong end (insert the extension from the size that typically goes onto the bolt/nut). I then used this as my height tool. i put the extension side down because it was small enough to sit on the lifter plunger, and then the socket was low enough to touch the opening walls and stay in place. I wrote on it with a marker for measurements. I had to use the extension because when I tried just dropping the socket in there alone, the plunger went through the 1/2" opening for the wrench and wouldn't ride the lifter.
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