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May have forgot something on engine build.
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Topic: May have forgot something on engine build. (Read 642 times)
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gregaba
Hero Member
Posts: 935
May have forgot something on engine build.
«
on:
December 05, 2023, 10:52:06 AM »
I had my exhaust valves in my heads replaced to get rid of the sodium filled ones.
Edelbrock 427 heads with 2.20-1.73 sizes.
I ordered a new Comp Cams burret kit to cc my heads because the cheap plastic one I had I didn't trust.The new one came in yesterday.
While looking at the heads I started to wonder if I was going to have to notch my cly. walls for the 2.20 intakes to clear.
I have a 428-0.30 over and really hope I don't have to clearance the valve's as I have the short block buttoned up.
I know I will find out when I get the heads on but was wondering if anyone has this combo and if you had to notch the cly. for clearance.
Greg
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mike7570
Guest
Re: May have forgot something on engine build.
«
Reply #1 on:
December 05, 2023, 11:37:52 AM »
I’m confused, who put sodium filled exhaust valves in your Edlebrock heads?
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gregaba
Hero Member
Posts: 935
Re: May have forgot something on engine build.
«
Reply #2 on:
December 05, 2023, 11:42:46 AM »
i bought these used and when I first tore them down I dropped a valve on the floor.
The head broke off and I had a mini fireworks display.
I have to assume the previous had installed them.
Greg
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frnkeore
Hero Member
Posts: 1140
Re: May have forgot something on engine build.
«
Reply #3 on:
December 05, 2023, 01:05:29 PM »
If you have the MR valve spacing of 2.100, you should have at least .075 clearance on the intake but, it's the exhaust that you'll need to watch, it will only have .010-.015.
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Frank
Barry_R
Hero Member
Posts: 1918
Re: May have forgot something on engine build.
«
Reply #4 on:
December 06, 2023, 09:03:46 AM »
Edelbrock heads with a 2.200 intake will clear the cylinders on a 428 with no issue
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gregaba
Hero Member
Posts: 935
Re: May have forgot something on engine build.
«
Reply #5 on:
December 06, 2023, 12:28:37 PM »
That is real good news. I had all ready completed my short block and didn't want to have to tear it down and redo it.
I will still check but I think I can rest easy now.
Greg
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May have forgot something on engine build.