Valve spring
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Valve spring
Hi all do the comp cam 677-16 valve springs work on a stock d3 head? I know the outer diameter is good but the inner is .700 I'm not sure if that's to small or not? Thanks.
460-Pace- Posts : 5
Join date : 2012-05-13
Re: Valve spring
460-Pace wrote:Hi all do the comp cam 677-16 valve springs work on a stock d3 head? I know the outer diameter is good but the inner is .700 I'm not sure if that's to small or not? Thanks.
None of the double or tripple springs will fit correctly onto a D3 head which hasn't had spring seat machining.
Valve spring
Is there a drop in spring that will handle .600 lift cam? I'm not building a drag car, it's gonna be a weekend warrior type of car.
460-Pace- Posts : 5
Join date : 2012-05-13
Re: Valve spring
I'm assuming you have the heads off?
I'd just have the pads cut and put good seals on, its not a big deal and not expensive. Put the proper recommended spring for the camshaft in.
I'd just have the pads cut and put good seals on, its not a big deal and not expensive. Put the proper recommended spring for the camshaft in.
dfree383- BBF CONTRIBUTOR
- Posts : 14842
Join date : 2009-07-09
Location : Home Wif Da Wife.....
Re: Valve spring
Double Post..... Sorry
dfree383- BBF CONTRIBUTOR
- Posts : 14842
Join date : 2009-07-09
Location : Home Wif Da Wife.....
Re: Valve spring
460-Pace wrote:Is there a drop in spring that will handle .600 lift cam? I'm not building a drag car, it's gonna be a weekend warrior type of car.
That 977 spring is a really tough 1.460" diameter spring. You will never get those pressures with a single spring.
There are quite a few single springs to handle over .600" valve lift however, no where near those pressures.
Re: Valve spring
dfree383 wrote:I'm assuming you have the heads off?
I'd just have the pads cut and put good seals on, its not a big deal and not expensive. Put the proper recommended spring for the camshaft in.
Plus if you have not had the valve guides cut for the .600 lift cam you going to have to have them cut , stock heads are only good to a .540 lift so you will have to have machine work done on them anyway.
69F100- BBF CONTRIBUTOR
- Posts : 5386
Join date : 2009-01-04
Age : 57
Location : Irwinville Ga.
Re: Valve spring
Ok thanks for all the I go I just got out fo the 2.3 turbo ford game and am now on to 460s I figures the valve guides would have to be machined for clearance as so does the 2.3 head, I'm trying to go at this fairly cheap I don't mind spending the money but I don't wanna spend thousands on parts as I'm only looking to make about 500 hp which I think would be fairly easy.
460-Pace- Posts : 5
Join date : 2012-05-13
Re: Valve spring
460-Pace wrote:Ok thanks for all the I go I just got out fo the 2.3 turbo ford game and am now on to 460s I figures the valve guides would have to be machined for clearance as so does the 2.3 head, I'm trying to go at this fairly cheap I don't mind spending the money but I don't wanna spend thousands on parts as I'm only looking to make about 500 hp which I think would be fairly easy.
500 horsepower will require a bit more than just a camshaft & valve spring change.
Re: Valve spring
I understan that, I'm planning on flat top pistons and decking the block and porting the heads, I figure I should be fairly close to that with about 10:1 compression and a good intake and 850 carb and headers. But I'm starting with the heads and working my way through the block.
460-Pace- Posts : 5
Join date : 2012-05-13
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