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Messages - pumpbldr

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1
FE Technical Forum / Re: using a gear drive on a sohc
« on: November 27, 2025, 09:43:44 PM »
Herre is a picture of Milodon gear drive on a sohc. Not my build, but I know its possible.
   
Doug aka Pumpbldr
Precision Oil Pumps

2
Vendor Classifieds / PSA -- Changing Phone Number
« on: September 12, 2025, 04:30:01 PM »
We are getting rid of the Land Line phone after decades. Changing over to my cell. Our new contact phone number is (559)960-0463. This has been changed on our website in contact section. I will post this a few other places too. Look forward to hearing from you.

Thanks, Doug aka pumpbldr
Precision Oil Pumps
(559)960-0463

3
FE Technical Forum / Re: Cammer Rocker Problems
« on: May 31, 2025, 08:06:01 PM »
I am going to take a crack at this from a different angle. Are his shafts regular thickness or HD ones that are thicker? We all saw Bill Connely spintron video years ago. As a MFG  of shafts I had access to a spintron  long ago but with a wedge head at a different angle than his. Viewed the shaft long ways. Stock shaft vs, spacers vs Hd shafts vs spacer. What a difference in the wave. Get a surf board LOL. But an idea. This solved alot and yes frequency changed/ resonance. Maybe ??? what you guys think.

 Doug aka pumpbldr
Precision Oil Pumps


4
FE Technical Forum / Re: Front engine mount
« on: January 14, 2025, 09:05:13 PM »
Here is a picture of the Holman Moody Boat cover. I have used these many times. Very easy and very strong. Blue thunder makes a copy of this cover and can found

Doug aka pumpbldr
Precision Oil Pumps

5
FE Technical Forum / Re: engine oil cooler relocation
« on: December 18, 2024, 12:46:35 PM »
You will more than likely need to put in the HP spring. Most of my Cobra guys loose between 20-30 psi going through the line, cooler and filters and back. You will be in the same boat. Another thing, with that much plumbing you will need to run and HV Pumps.

Thanks, Doug
aka pumpbldr
Precision Oil Pumps

6
Vendor Classifieds / Re: WANTED Toploader shifter
« on: September 19, 2024, 06:04:00 PM »
Try Andy's Performance in southern california. He has a ton of Toploader stuff. His phone number is (626)664-8120
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Doug aka pumpbldr
Precision Oil Pumps

7
FE Technical Forum / Re: Who has installed 10" slicks on a comet or fairlane
« on: June 07, 2024, 10:56:47 PM »
I went through all this along time ago. I had a ranchero, even lighter in the ass end. I did everything everyone is mentioning: 90/10's, Caltracts etc. The Rear tires wer 28 x 10.5 on Weld 10'' with 5.5 back spacing. To get them to fit there is about 2" between the inner wheel tub to the frame. I cut the 2" out and with some clamps and heat did a mini-tub with stock wheel tub pushed toward frame , then welded. Also did some grinding to wheel lip. All fit no problem. Was much better after that. Here is the golden ticket I share. An older timer told me to get some crap rear shock that sag. I believe WTF was my answer. But I listened some more. Also said to get a pinion snubber. Let the ass end sag, weight transfer to back and get the bottom of car to drive the snubber into the earth. That solved all my issues. Food for thought.

Doug aka pumpbldr
Precision Oil Pumps

8
FE Technical Forum / Re: 427 SOHC Gear Drive
« on: March 16, 2024, 03:16:50 PM »
I have done it a couple times.  I convert standard chain sets(top gears) all the time too. It is the same for the Milodon gear drive. Take the top Milodon gear and open up the ID to .999"-1.00" measure your stub cam you have to see which ID you need to go to so that you have a press fit. Have a 3/16" key way broached in 180' off dot. You will need to make new dot also at 180' for the new timing now. On chain style/top gears I have to cut the back step off and make width .825" .Use heat to warm up big gear/ freeze stub shaft and press together ( only your Milodon gear) install stub shaft. Use a large straight edge from other gears and mark stub cam with dye chem and scribe where to distance the drive gear. Go back to oven and freezer and press the drive gear to your scribed line and you are good.No need to pin or bolt, the press and keyway will hold just loke OEM. Then you can assemble and time everything. Here is a picture of one for you. Not my engine ( Dont Drool), but I have done it.
 
Doug aka pumpbldr
Precision Oil Pumps

9
Vendor Classifieds / Rocker Shafts are back in stock.
« on: February 28, 2024, 12:35:47 AM »
I just got the new batch of Rocker Shafts complete and are back in stock same price $259.95/pair. Sorry for some of you that had to wait a month. I will try to time it better next go around.

Doug aka pumpbldr
Precision Oil Pumps

10
Private Classifieds / Re: 3:50 POSI Wanted
« on: February 20, 2024, 11:45:40 PM »
I have a friend that has about 100 posi units and gear choices for you. He is in southern california, contact Andy (626)664-8120

Doug aka pumpbldr

11
FE Technical Forum / Re: 427 SOHC blower manifold question
« on: January 18, 2024, 03:51:34 PM »
Here is a picture of one for you. Not very hard.

Doug aka pumpbldr
Precision Oil Pumps

12
Private Classifieds / Re: 67 Mustang Fastback
« on: January 08, 2024, 01:30:45 PM »
What is the price and pictures. Overall condition and what is there or needs done please.
                 
Doug aka pumpbldr
Precision Oil Pumps

13
FE Technical Forum / Re: Rocker Arm Adjusters
« on: November 20, 2023, 11:06:33 AM »
Those will work. Be aware they are Chinese. But, they are the correct basic thread of 7/16" x 20 . Like Cammerfe stated you will need to maybe file the pad flat/90'. Then most important run a 7/16" x 20 tap through each rocker to chase out the interference thread.  Or do these steps and buy a better set.
                         Doug aka pumpbldr
                       Precision Oil Pumps

14
Private Classifieds / Re: Wtd FFP roller rocker one single
« on: May 23, 2023, 10:28:03 AM »
I got one very close to that. I was the machinist there and made those. I kept making them when they went out of business. The one I have will be the same but without the logo.
                      Thanks, Doug
                   Precision Oil Pumps
                   (559)325-3553

15
FE Technical Forum / My Apologies - Thanks for your support
« on: April 26, 2023, 09:39:30 PM »
All -- I recently got hurt and broke my arm. Not going to be a big deal, it will heal soon. But, As one of your supporters and parts suppliers I am falling behind on your orders. It is hard to machine and assemble in a cast. I will get 100% in a month.. I am burning the midnight oil where possible and still turning wrenches. Thanks to those who have been understanding or that have personally reached out for nothing other than to say get well. This forum and FE community is special.

 Thanks, Doug aka pumpbldr
Precision Oil Pumps

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