Fuel Pump Pushrod with a Roller Cam
Fuel Pump Pushrod with a Roller Cam
Hey
I have an 87 motor that does have a boss for the fuel pump and it even has a hole in it. This was a TPI motor and I am going back to carb. It also has a roller cam! Can I just use a regular fuel pump pushrod or does it have to have a brass tip or something? I am assuming I need a brass distributor gear so I thought this might be the same thing?
Thanks!
I have an 87 motor that does have a boss for the fuel pump and it even has a hole in it. This was a TPI motor and I am going back to carb. It also has a roller cam! Can I just use a regular fuel pump pushrod or does it have to have a brass tip or something? I am assuming I need a brass distributor gear so I thought this might be the same thing?
Thanks!
Supreme Member
Joined: Jul 1999
Posts: 18,457
Likes: 16
From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
Yes it has the lobe.
No you don't need a special fuel pump rod. A 87 LG4 car for example has a mech fuel pump with an ordinary rod.
You don't need a brass gear on the dist. Look at the one that's in there, you'll see it's not brass.
No you don't need a special fuel pump rod. A 87 LG4 car for example has a mech fuel pump with an ordinary rod.
You don't need a brass gear on the dist. Look at the one that's in there, you'll see it's not brass.
More
Cool! Thats just one less expensive part I need to buy!
On the distributor though I think I may? The one in there wasn't but I think the guy that built the motor was not the brightest so he may not have known. I thought roller cams were softer and therefore had to have a brass gear?
On the distributor though I think I may? The one in there wasn't but I think the guy that built the motor was not the brightest so he may not have known. I thought roller cams were softer and therefore had to have a brass gear?
Supreme Member
Joined: Jul 1999
Posts: 18,457
Likes: 16
From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
No.
Racing rollers (and billet flat-tappet cams for that matter for real racing) are very hard, and therefore require a softer dist gear. The design of the system is such that it will not work if there are 2 very hard metals; one must be soft. Factory rollers, and virtually all aftermarket hydraulic street rollers, are soft cast iron just like typical stock cams.
Racing rollers (and billet flat-tappet cams for that matter for real racing) are very hard, and therefore require a softer dist gear. The design of the system is such that it will not work if there are 2 very hard metals; one must be soft. Factory rollers, and virtually all aftermarket hydraulic street rollers, are soft cast iron just like typical stock cams.
Thread
Thread Starter
Forum
Replies
Last Post
junkcltr
Tech / General Engine
6
Aug 2, 2019 11:12 PM
84z96L31vortec
Tech / General Engine
7
Aug 20, 2017 12:16 AM





