Actually you need to wait until you have the head and block assembled to see where your rocker arms hit the valve stem tips. Before that time, anything is just a guess.
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| Author: | sick6 [ Thu May 12, 2005 1:58 pm ] |
| Post subject: | pushrods |
1975 head and block, had a ton of work done to the head so lift is now .531 (for the clifford cam). will regular length pushrods now be worthless? is chrome moly worth it? |
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| Author: | Dart270 [ Thu May 12, 2005 3:12 pm ] |
| Post subject: | |
How much have you shaved off the deck or head? That determines if you need shorter PRs. Cam has only a small effect. Lou |
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| Author: | sick6 [ Thu May 12, 2005 3:22 pm ] |
| Post subject: | |
.090 has been shaved off. |
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| Author: | sick6 [ Thu May 12, 2005 3:23 pm ] |
| Post subject: | |
.090 off the head that is, the block was decked, .006 |
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| Author: | Greg Ondayko [ Thu May 12, 2005 3:28 pm ] |
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Stock Pus Rods will work there. I had to go to shorter ones when I had taken 100 of the head and block. Greg |
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| Author: | sick6 [ Thu May 12, 2005 7:14 pm ] |
| Post subject: | |
so, a .010 difference from .090 made you have to shorten the rods? that makes me think I might need to get shorter ones now....... how much shorter than stock did you go? |
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| Author: | sick6 [ Thu May 12, 2005 7:15 pm ] |
| Post subject: | |
or did you mean .100 off of the head AND the block (as in each instead of grand total)? I am not sure what you mean. |
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| Author: | slantzilla [ Thu May 12, 2005 8:14 pm ] |
| Post subject: | |
Actually you need to wait until you have the head and block assembled to see where your rocker arms hit the valve stem tips. Before that time, anything is just a guess.
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| Author: | Dart270 [ Thu May 12, 2005 8:20 pm ] |
| Post subject: | |
I would say a rule of thumb is that anything up to about 0.080" shave and you're safe, BUT I agree with Dennis that you really need to measure to get it right. Lou |
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| Author: | Dave M [ Fri May 13, 2005 4:22 pm ] |
| Post subject: | |
You still might be OK.....also depends on the base circle of your camshaft. I would do a mock-up and see where you're at. Also if you have installed valve spring with more spring pressure you might want to think about after market push rods. I found out the hard way. |
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| Author: | 70valiant [ Fri May 13, 2005 7:04 pm ] |
| Post subject: | |
I never got shorter push rods. I have 0.100" of the head and a mild cam. there is still plenty of room for adjustments to the rockers. |
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| Author: | sick6 [ Sat May 14, 2005 5:52 am ] |
| Post subject: | |
I was planning to use the clifford rods, is chrome moly worth the extra cash? the head work was designed to fit the clifford cam of .531 lift. |
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| Author: | Rust collector [ Sat May 14, 2005 6:04 am ] |
| Post subject: | |
I would say you "need" thicker pushrods, (and maybe shorter...) They are awfully long and thin... Just if the stock ones are too long 
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| Author: | sick6 [ Sat May 14, 2005 7:28 am ] |
| Post subject: | |
any recomendations to brand and length? |
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| Author: | sick6 [ Mon May 16, 2005 3:41 pm ] |
| Post subject: | |
any last minute recomendations? I am putting her back together this week......... |
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