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Old 10-17-2008, 02:39 PM   #1
Soup Nazi
 
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F1 Pro/Sportsman Springs 299.99 Shipped!!!

The best deal of the year yet on the original and best "drop-in" spring for the 24 Valve Cummins engine.

Back in the late winter we did a re-design of the Pro/Sport to allow for longer life and slightly more pressure. Nothing radical.

We have never had a broken retainer, broken valve or any component while using the F1 Pro/Sports. We have the lowest horsepower drag, lowest oil temperature and lowest wear rates. Our springs do not deflect or bend the stock push rods.

Yes, they control the valves! Many are running these with over 120 PSI of boost!
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Old 10-17-2008, 04:16 PM   #2
bh10
 
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by the time you two guys get done you'll be paying us to run them gotta love it, nothing like good competition
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Old 10-17-2008, 04:26 PM   #3
Mountaineer
 
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Well I was going to buy some Hamilton springs ... but.. I'm now going with
F1's

I'm in like flin... I want a set , where do I sign don
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Old 10-17-2008, 04:33 PM   #4
paulb
 
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Quote:
Originally Posted by Mountaineer View Post
Well I was going to buy some Hamilton springs ... but.. I'm now going with
F1's

I'm in like flin... I want a set , where do I sign don
Here's where I got mine: Source Automotive

Paul
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02 4x4 Auto Mach 6+'s, Drag Comp,Source Automotive Twins, Ultimate Transmission
05 2500 4x4 Auto 3.73 BBI 4's, Smarty Touch, Source Automotive Twins, F1 springs and Cam, Opie's bypass system, Mitusa, PPE Dual Fueler, Ultimate Transmission, Opie shafts,Isspro gauges
 
Old 10-17-2008, 04:34 PM   #5
inline6power
 
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way to step up the competition Don.
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Old 10-17-2008, 04:56 PM   #6
Scooter's Roofing

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wish I hadn't spent $650 on mine
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that's pretty much all of it
 
Old 10-17-2008, 04:57 PM   #7
Luken

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Hell YES! Time to buy a set and a helix!
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Old 10-17-2008, 05:00 PM   #8
Signature600
 
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Quote:
Originally Posted by Forrest Nearing View Post
wish I hadn't spent $650 on mine
Why, aren't you happy with them?

Chris
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Old 10-17-2008, 05:03 PM   #9
Bob Wagner
 
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Quote:
Originally Posted by bh10 View Post
by the time you two guys get done you'll be paying us to run them gotta love it, nothing like good competition


no ****
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Old 10-17-2008, 05:06 PM   #10
zstroken
 
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Originally Posted by Signature600 View Post
Why, aren't you happy with them?

Chris

I think we just feel that a 50% cost reduction, doesn't give you a warm and fuzzy. Of course there is supply and demand.
Kind of like the $750 cams that are now under $500.
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Old 10-17-2008, 05:17 PM   #11
Scooter's Roofing

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Quote:
Originally Posted by Signature600 View Post
Why, aren't you happy with them?

Chris
lol, I didn't say I wish I hadn't bought them, just saying I wish I had paid less. They went down considerably like the week after I bought them, and now this!

it's all good. healthy competition is GREAT for the enthusiast!!
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that's pretty much all of it
 
Old 10-17-2008, 05:17 PM   #12
haloman
 
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Way to step it up Don!!!
 
Old 10-18-2008, 12:46 AM   #13
97' CTD
 
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What RPM will they take?
Brandon
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Old 10-18-2008, 11:34 AM   #14
Signature600
 
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Quote:
Originally Posted by zstroken View Post
I think we just feel that a 50% cost reduction, doesn't give you a warm and fuzzy. Of course there is supply and demand.
Kind of like the $750 cams that are now under $500.
Quote:
Originally Posted by Forrest Nearing View Post
lol, I didn't say I wish I hadn't bought them, just saying I wish I had paid less. They went down considerably like the week after I bought them, and now this!

it's all good. healthy competition is GREAT for the enthusiast!!

I understand guys...you would always like to pay less

But I was happy when I paid $800 for my first cam, and was even more happy when I bought the second and third for less.

Glad the prices are coming down...for you guys anyway
Chris
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Old 10-18-2008, 11:58 AM   #15
TMONEYDIESEL
 
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man hamilton springs down to $199 and dons at $299 maybe we can go a little lower and get them at cost.
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Old 10-18-2008, 12:19 PM   #16
4 Tuggin

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Guess I should have waited!!!

Mine are still in the box in which I paid $667.00 brand new. The $368.00 difference shure would have been nice for some other parts for the new motor!!! Plus a different, better design then the ones I haven't even used yet. Don, take trade-ins for the newer version???????!!!

Last edited by 4 Tuggin; 10-18-2008 at 12:27 PM.
 
Old 10-18-2008, 12:45 PM   #17
zstroken
 
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Quote:
Originally Posted by Signature600 View Post
I understand guys...you would always like to pay less

But I was happy when I paid $800 for my first cam, and was even more happy when I bought the second and third for less.

Glad the prices are coming down...for you guys anyway
Chris
I know Chris, Forrest and I are probably the king of cheap!
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Old 10-18-2008, 07:28 PM   #18
Sledpuller
 
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$299!, The the other guy at $199? Makes me want to go buy a 24 valve...not..
 
Old 10-23-2008, 02:45 PM   #19
mysterync

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Okay, This isnt starting anything , Don you know me and yourself are cool. But.....I do have a question. I took your springs off my truck for some head work , And due to someone recomending a comparison I compared them to Factory Ford 4.6L Springs...At the ford dealership...There $150.00 or less if you have an account. I honestly say, They showed the same on the calipers they look exact, Can you tell me whats diffrent? Again, I'm just asking! I think it's great your dropping you price!

PS...I have been happy with my springs and injectors! Thanks
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Old 10-23-2008, 07:08 PM   #20
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It must be a wonderful product if you must drop the price 60% to move it...Not
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