302 build?

4SWEENEYWILL

MEMBER
1996 FORD F-150
5.0L
V8
4WD
MANUAL
122,000 MILES

I want to use gt40 heads however I don’t know what cam to pair with this along with if I need to upgrade the springs. I need help picking a cam for improved power and gas mileage.

Monday, November 14th, 2022 AT 6:54 PM

5 Replies

RYAN L

ADMIN
242 POSTS

Hey there!

So, on that, it depends on the camshaft. I found one that I believe you can get away with using the gt40 springs with and should give you what you want.

https://www.summitracing.com/parts/fms-m-6250-e303/make/ford

Thanks for using 2CarPros!

Best,
Ryan

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Wednesday, November 16th, 2022 AT 11:32 AM

4SWEENEYWILL

MEMBER
3 POSTS

Thanks Ryan,
I am using your 302 videos to build my first truck engine! Where do you recommend, I buy the gt40 heads? I don’t know if I should trust the rebuilt ones on eBay.

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Wednesday, November 16th, 2022 AT 12:01 PM

4SWEENEYWILL

MEMBER
3 POSTS

Also, can I use stock push rods?

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Wednesday, November 16th, 2022 AT 12:02 PM

JACOBANDNICKOLAS

MECHANIC
108,269 POSTS

Hi,

I noticed you haven't been contacted for a few days. I will forward your question to Ryan and let him know.

Take care,

Joe

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Saturday, November 19th, 2022 AT 6:39 PM

RYAN L

ADMIN
242 POSTS

EBay is probably the easiest place to get them for cheap rebuilt. Otherwise, you would have to go pulling at a scrap yard then get them rebuilt. If you do go the eBay route, just go through a reputable seller and you should not have an issue.

Yes, I believe you could use the stock length since the camshaft is not super huge. However, I would put one cylinder's valvetrain together and rotate the engine over slowly by hand and see if it makes any kind of contact. You could even use playdoh under the head while you do that and see how much it gets squished if you are really worried about it.

Thanks for using 2CarPros!

Best,
Ryan