camshaft
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camshaft
i have a 302 block that im getting bored over .30 and would like to put a better cam in it so what cam can i get for the block a mechanical flat tappet or a roller tappet what do u guys have in ur 302
Hotshot
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There are quite a few threads on this topic including both flat tappet and roller cans and the use of either 1.6 (stock) or 1.7 rocker arms. I went to a roller cam in my '89 based on the advise contained in what I read but am still working on reassembly so cannot say how much it changed.
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the truck is an 87 f250 4x4 302 aod BW1356 ttb front and sterling 10.25 rear its on 33 i intend to go to atleast 35 and it has 3inches on the body i might get 6 inch leaf lift if i can nail down a solid axle but thats future the engine is a 302 out of like a 88 mercury or something like that it has a scarred cylinder so im getting it bored over .30 and will get pistons and rings and i wanna get a cam so what kinda cam should i get
Hotshot
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I agree. My '89 U150 has a 6" lift and 35" tires. The 302 struggled to move it with the 3.55 gears and only slightly better after the gear change. The 392 really changed how it performed. With around 9" of total lift the 35s will look small. What gears are you planning on running?
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its already got 4.10s in it and its had a 302 in it since i got it and it moved the 37s fine so im good with the block just need to know what cam i dont need get a big block get a diesel or get a stroker just what cam goes in that block good if anyone has put a cam in a 302
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IIRC from his other thread, it's a roller block out of a car.
Lots of cams out there, if you're keeping stock heads you can either get 1.7 rockers for stock cam or go to a high lift low duration cam. I have crane 444211 in my 97, it's a solid performer. If you go too far with duration you will never be able to cruise od on any kind of grade, so I'd consider stock truck roller cam with 1.7 rockers for your build. Or, something around 206-210 duration @.05 with substantial lift over stock.
Browse the cam threads, they're infinite.
Lots of cams out there, if you're keeping stock heads you can either get 1.7 rockers for stock cam or go to a high lift low duration cam. I have crane 444211 in my 97, it's a solid performer. If you go too far with duration you will never be able to cruise od on any kind of grade, so I'd consider stock truck roller cam with 1.7 rockers for your build. Or, something around 206-210 duration @.05 with substantial lift over stock.
Browse the cam threads, they're infinite.
FTE Legend
Joined: Jun 2006
Posts: 31,930
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From: Ottawa, Ontario
What cylinder heads do you have for it. If they are E6SE throw them away and go find a pair of E7TEs or GT40's. E6 heads were used in a lot of the big cars in the late '80's early '90s and they are easily the worst flowing heads ever produced for these motors.. like you'll never see more than about 200hp. That is significant because everything you want to do depends upon more airflow so you want heads that aren't a total bottleneck like these E6 heads.
If the heads are E7TE's then you want to look more closely at the cam because this could already be a HO motor, those were used in the big 2-door cars.. the Ford T-bird, Mercury XR7 and the Lincoln Mk7.
As far as the cam goes, if you lucked out and have a HO motor already the just add 1.7 rockers. But if it's a base model roller motor then after you get another set of heads go with the Comp 35-512-8 assuming this is going in a truck with the old SD EFI system. If you are using a carb then please say so and we'll suggest other cams.
If the heads are E7TE's then you want to look more closely at the cam because this could already be a HO motor, those were used in the big 2-door cars.. the Ford T-bird, Mercury XR7 and the Lincoln Mk7.
As far as the cam goes, if you lucked out and have a HO motor already the just add 1.7 rockers. But if it's a base model roller motor then after you get another set of heads go with the Comp 35-512-8 assuming this is going in a truck with the old SD EFI system. If you are using a carb then please say so and we'll suggest other cams.
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Junior User
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IIRC from his other thread, it's a roller block out of a car.
Lots of cams out there, if you're keeping stock heads you can either get 1.7 rockers for stock cam or go to a high lift low duration cam. I have crane 444211 in my 97, it's a solid performer. If you go too far with duration you will never be able to cruise od on any kind of grade, so I'd consider stock truck roller cam with 1.7 rockers for your build. Or, something around 206-210 duration @.05 with substantial lift over stock.
Browse the cam threads, they're infinite.
Lots of cams out there, if you're keeping stock heads you can either get 1.7 rockers for stock cam or go to a high lift low duration cam. I have crane 444211 in my 97, it's a solid performer. If you go too far with duration you will never be able to cruise od on any kind of grade, so I'd consider stock truck roller cam with 1.7 rockers for your build. Or, something around 206-210 duration @.05 with substantial lift over stock.
Browse the cam threads, they're infinite.
i took the lifters outta the truck and there roller not flat so i geuss my truck is not mechanical its hydraulic since the lifters have the little peice that compresses with the rod goes so i think thats a good cam what u think
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What cylinder heads do you have for it. If they are E6SE throw them away and go find a pair of E7TEs or GT40's. E6 heads were used in a lot of the big cars in the late '80's early '90s and they are easily the worst flowing heads ever produced for these motors.. like you'll never see more than about 200hp. That is significant because everything you want to do depends upon more airflow so you want heads that aren't a total bottleneck like these E6 heads.
If the heads are E7TE's then you want to look more closely at the cam because this could already be a HO motor, those were used in the big 2-door cars.. the Ford T-bird, Mercury XR7 and the Lincoln Mk7.
As far as the cam goes, if you lucked out and have a HO motor already the just add 1.7 rockers. But if it's a base model roller motor then after you get another set of heads go with the Comp 35-512-8 assuming this is going in a truck with the old SD EFI system. If you are using a carb then please say so and we'll suggest other cams.
If the heads are E7TE's then you want to look more closely at the cam because this could already be a HO motor, those were used in the big 2-door cars.. the Ford T-bird, Mercury XR7 and the Lincoln Mk7.
As far as the cam goes, if you lucked out and have a HO motor already the just add 1.7 rockers. But if it's a base model roller motor then after you get another set of heads go with the Comp 35-512-8 assuming this is going in a truck with the old SD EFI system. If you are using a carb then please say so and we'll suggest other cams.
Logistics Pro
Joined: Aug 2010
Posts: 3,717
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From: Chillicothe
They are hydraulic roller lifters. That camshwyou linked won't work its for racing a light car and not computer friendly. And the head number is cast into the head. Flip them around until you see e7te or e6se and get back to us.
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Junior User
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and would it be to much trouble to find a camshaft that would work for my truck?
and link me