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3.9 dak
Dodge Dakota
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1/20/2008
21:54:53
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 Subject: harland sharp and com cams
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I just ordered harland sharp 1.7 roller rockers and comp cams 7933-1 push rods for my 3.9l now all i need is valve springs, what is the price of the valve springs? allso i have a v8 throttle body that i need to install. and performance plug wires and distributer cap and rotor. 180*thermostate. so far all my truck has installed is gibson swept side cat back. with all these mods what performance gain should i expect. oh almost forgot i installed a edelbrock 10" air hat with k&n
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THe_MiLK_MaN
Dodge Dakota
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1/20/2008
23:02:00
| RE: harland sharp and com cams
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Message:
Check out this past forum. It helped me:
http://www.dodgedakota.net/boards/v6/14757.html
Installation of the HS RR's was easy! Read this if you need to..
http://www.pavementsucks.com/tech/rollerrocker.php
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Mike98
Dodge Dakota
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1/23/2008
23:25:49
| RE: harland sharp and com cams
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I did the HS 1.7's last month. They're great. But the driver's side valve cover was really hard to remove on my truck.
The (mopar) valve spring parts I needed were:
#P5249464 x12 springs (0.400-0.525 lift)
#P4452032 x12 retainers
#P4529218 x2 keepers (enough for 8cyl)
These came to over $200 at the cheapest site I found them at. Over $250 from the dealership parts counter.
You might not need to replace the springs, you can read more at this thread:
http://www.dodgedakota.net/boards/v6/15611.html
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Problem Child
GenIII
1/24/2008
19:07:13
| RE: harland sharp and com cams
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Message:
Save your money, You don't need the springs, stock will do just fine, unless your doing more. I have been running stock springs almost a year now, all is good.
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3.9 dak
Dodge Dakota
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1/24/2008
19:20:24
| RE: harland sharp and com cams
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Message:
I dont need new valve springs even with 101,781 miles. on harland sharp website they recomend for over 50,000. i got comp cams push rods to because a fiew on here said the stock r cheap.
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Mike98
Dodge Dakota
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1/25/2008
00:50:21
| RE: harland sharp and com cams
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Message:
I don't know what "good" push rods and "good" valve springs look like, but the ones I found in my truck's 130kmi-old motor seemed fine to me. All the push rods were straight and the same length. Since my truck's engine so rarely sees revs above 3krpm, I didn't find it necessary to replace anything.
I guess the bottom line is how hard, and for how many more miles, you plan on pushing your truck. I got my 1.7's to help me climb hills without downshifting, but mostly for the pleasure of tearing into my engine for no good reason. If you're getting them to jackrabbit around or race at the track, then you should definitely replace the springs. Otherwise it's just a cost vs. benefit question -- do it if you can afford it.
Hey if you do replace them, you can laugh at me if I throw a valve into a piston and complain about it here!
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3.9 dak
Dodge Dakota
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1/25/2008
22:15:45
| RE: harland sharp and com cams
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my truck is a 5 speed so it never sees reall high rpm cause i normally shift at 3000 3500 at max unless trying to pass or going up big hills coming home.
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fotodak
Dodge Dakota
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1/28/2008
17:03:06
| RE: harland sharp and com cams
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How much are the valve springs?
A good place to start would be the place you buy them from.
They will be able to tell you......
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J and J Auto
GenII
1/28/2008
23:33:46
| RE: harland sharp and com cams
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Message:
The stock springs bind just over .500 I would not
go behond a .484 lift
I have instaled the 1.7's in many with over
100,000 miles some of these trucks now have over
200,000 and still running strong
Synthetic fluids proving themselfs I have
customers V6 V8 that are closing 400,000 miles
most are in for oil 2 times a year trans every
30,000 and greased with amsoil moly grease
its amazing how well even the front end parts
hold up with the syns compaired to the old conv
grease
Larry
J&J Auto
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3.9 dak
Dodge Dakota
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1/29/2008
14:43:14
| RE: harland sharp and com cams
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Message:
So then are the 1.7 rr gouing to bind them??
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Problem Child
GenIII
2/01/2008
20:31:48
| RE: harland sharp and com cams
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Message:
I had 108,000 on mine when I installed RR's stock valve springs, replaced pushrods, I didn't like the looks of the stock ones over the comp cam ones. Not saying that stock wouldn't have worked. I have had no problems, and I tend to wind the rpm's up to 3000 plus at times shifing.
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