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| valve spring https://www.slantsix.org/forum/viewtopic.php?t=20899 |
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| Author: | ROADRUNNER7169 [ Mon Nov 27, 2006 9:11 am ] |
| Post subject: | valve spring |
Hi i'm about to rebuild my head and i has wondering if this valve spring will work part # p4120249 inst. ht. 1.67"/1.70", description single/ damper, od 1.50" wire dia. 0.206" lift range 0.430"/0.500" i have a pretty much stock engine (74 225) but i might be putting a slightly bigger cam in (going to go down and talk to racer brown sometime soon) anyway i was just wanting to see if this spring will work or if anyone knows the mopar part # for the 340 springs/or if anyone knows the specs on them i would greatly appreciate it p.s. i don't really want to do any machining to the head id prefer an easy swap |
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| Author: | argentina-slantsixer [ Mon Nov 27, 2006 9:22 am ] |
| Post subject: | |
that spring would fit right up, no machine work needed in your head. You do need the plates, as the stock ones would be small for this spring. |
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| Author: | ROADRUNNER7169 [ Mon Nov 27, 2006 9:25 am ] |
| Post subject: | |
COOL THANKS MAN |
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| Author: | ROADRUNNER7169 [ Mon Nov 27, 2006 9:40 am ] |
| Post subject: | |
also i forgot to ask will this spring have any vantage over the stock spring or do you think i should just leave the stock springs |
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| Author: | LUCKY13 [ Mon Nov 27, 2006 9:58 am ] |
| Post subject: | |
They will be better than the stock springs(if they are in good shape). They will allow you to turn rpm without the valves floating/bouncing which you will need when going to the bigger cam. Also if you ever go turbo they will help becuase you need a heavier spring to hold the valve closed because of the boost behind the intake valve even if using a stock cam. jess |
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| Author: | argentina-slantsixer [ Mon Nov 27, 2006 12:38 pm ] |
| Post subject: | |
better than stock if you go to larger cam, ditto jess. they also have vibe dampner... wich would add to all of the advantages from above. |
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