BT Racing Springs
#23
FormerVendor
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We refuse to use another spring in our in house builds and in our cam kits.
Brian is always helpful and willing to go the extra mile to ensure his customers are taken care of and happy also. Hard to find that now a days when you're the "little guy" on the receiving end.
Brian is always helpful and willing to go the extra mile to ensure his customers are taken care of and happy also. Hard to find that now a days when you're the "little guy" on the receiving end.
#24
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Wish I had known about these springs before I bought my patriots last year.
I'm all for helping out the small business man. I have some family that lives in the same town as him.
I'm all for helping out the small business man. I have some family that lives in the same town as him.
#27
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X2
This is the easiest most simplest way to look at Brian's springs selection and what will work best for you.
If you're build is utilizing stock rockers, then use his Platinum springs.
If you're build is utilizing aftermarket roller rockers, then use his Max Pressure springs.
The Extreme springs work just as well as the platinum springs do, but Brian had told me he was phasing them out a while back. He may or may not be still doing this, but at least that is what was told to me.
This is the easiest most simplest way to look at Brian's springs selection and what will work best for you.
If you're build is utilizing stock rockers, then use his Platinum springs.
If you're build is utilizing aftermarket roller rockers, then use his Max Pressure springs.
The Extreme springs work just as well as the platinum springs do, but Brian had told me he was phasing them out a while back. He may or may not be still doing this, but at least that is what was told to me.
#29
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I apologize if this has been answered elsewhere but I've never heard it mentioned before. Why would 0.660" lift springs not be suitable for aftermarket rocker arms? Is it the available increase in ratio (1.8, 1.82. 1.85 ratios) or the difference in the design of the rocker from stock? I was debating on using the BTR platinum kit and although I really don't intend to change out the stock rockers, I am just curious as to why you shouldn't use aftermarket rockers with these springs.
#30
FormerVendor
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I apologize if this has been answered elsewhere but I've never heard it mentioned before. Why would 0.660" lift springs not be suitable for aftermarket rocker arms? Is it the available increase in ratio (1.8, 1.82. 1.85 ratios) or the difference in the design of the rocker from stock? I was debating on using the BTR platinum kit and although I really don't intend to change out the stock rockers, I am just curious as to why you shouldn't use aftermarket rockers with these springs.
The Platinum springs are only 400 lbs @ .660" lift and work great with stock rockers. Too much open pressure when using stock rockers can damage valve tips long term.
The Max Pressure springs have 450 lbs @ .650" lift and work great with roller rockers. The increased moment of inertia of aftermarket roller rockers requires increased open spring pressure to avoid loft over the nose. The Max Pressure springs when used with roller rockers could use more than standard 5/16" .080" pushrods.
I hope this helps.
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#31
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The difference is in the open spring pressure.
The Platinum springs are only 400 lbs @ .660" lift and work great with stock rockers. Too much open pressure when using stock rockers can damage valve tips long term.
The Max Pressure springs have 450 lbs @ .650" lift and work great with roller rockers. The increased moment of inertia of aftermarket roller rockers requires increased open spring pressure to avoid loft over the nose. The Max Pressure springs when used with roller rockers could use more than standard 5/16" .080" pushrods.
I hope this helps.![Cheers!!](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_cheers.gif)
The Platinum springs are only 400 lbs @ .660" lift and work great with stock rockers. Too much open pressure when using stock rockers can damage valve tips long term.
The Max Pressure springs have 450 lbs @ .650" lift and work great with roller rockers. The increased moment of inertia of aftermarket roller rockers requires increased open spring pressure to avoid loft over the nose. The Max Pressure springs when used with roller rockers could use more than standard 5/16" .080" pushrods.
I hope this helps.
![Cheers!!](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_cheers.gif)
Brian has always recommended the use of at least 11/32 .110" wall push rods or 3/8" .080" wall push rods with after market rockers and over 425-430lbs. of open pressure.
#32
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The difference is in the open spring pressure.
The Platinum springs are only 400 lbs @ .660" lift and work great with stock rockers. Too much open pressure when using stock rockers can damage valve tips long term.
The Max Pressure springs have 450 lbs @ .650" lift and work great with roller rockers. The increased moment of inertia of aftermarket roller rockers requires increased open spring pressure to avoid loft over the nose. The Max Pressure springs when used with roller rockers could use more than standard 5/16" .080" pushrods.
I hope this helps.![Cheers!!](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_cheers.gif)
The Platinum springs are only 400 lbs @ .660" lift and work great with stock rockers. Too much open pressure when using stock rockers can damage valve tips long term.
The Max Pressure springs have 450 lbs @ .650" lift and work great with roller rockers. The increased moment of inertia of aftermarket roller rockers requires increased open spring pressure to avoid loft over the nose. The Max Pressure springs when used with roller rockers could use more than standard 5/16" .080" pushrods.
I hope this helps.
![Cheers!!](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_cheers.gif)
Once again, thank you for your quick response to my earlier question.