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The main reason they use a check ball is to have the right size to open them and when you let off the throttle the check ball lifts and makes the opening larger so they close fast enough. If they just had the hole the size for opening the secondaries without the check ball they would not close fast enough. If you leave the check ball out you will have a larger port which should open them real fast and close like they should. As far as I have heard the check ball is there to lift off the gas and make the port larger so they close fast enough. Its gives the right size to open them and then gives the larger size when closing to bleed off the vacum fast enough. Ron

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That is right!

Now the question is: do you think my engine will bog from too fast opening rate???

528 HEMI
10,5:1 compression
solid roller cam
Intake- [Email]248@.050[/Email] & .604lift
>Exhaust- [Email]254@.050[/Email] & .591lift
>Lobe sep is 114
>lobe #`s: 4875B/4876B sn#-A6105
CNC ported heads flowing over 430 cfm intake 250 cfm exh
2,25" headers
stage V duial inline intake with dual 4160 750 holleys

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Only way to find out is the run it , if it bogs change the springs .

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Start with a lite spring and give it a whirl.Too lite or two heavy will both cause it to bog.Find that sweet spot.Good tech question and good info.

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The main reason they use a check ball is to have the right size to open them and when you let off the throttle the check ball lifts and makes the opening larger so they close fast enough. If they just had the hole the size for opening the secondaries without the check ball they would not close fast enough. If you leave the check ball out you will have a larger port which should open them real fast and close like they should. As far as I have heard the check ball is there to lift off the gas and make the port larger so they close fast enough. Its gives the right size to open them and then gives the larger size when closing to bleed off the vacum fast enough. Ron

---

That is right!

Now the question is: do you think my engine will bog from too fast opening rate???

528 HEMI
10,5:1 compression
solid roller cam
Intake- [Email]248@.050[/Email] & .604lift
>Exhaust- [Email]254@.050[/Email] & .591lift
>Lobe sep is 114
>lobe #`s: 4875B/4876B sn#-A6105
CNC ported heads flowing over 430 cfm intake 250 cfm exh
2,25" headers
stage V duial inline intake with dual 4160 750 holleys

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Only way to find out is the run it , if it bogs change the springs .

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The main reason they use a check ball is to have the right size to open them and when you let off the throttle the check ball lifts and makes the opening larger so they close fast enough. If they just had the hole the size for opening the secondaries without the check ball they would not close fast enough. If you leave the check ball out you will have a larger port which should open them real fast and close like they should. As far as I have heard the check ball is there to lift off the gas and make the port larger so they close fast enough. Its gives the right size to open them and then gives the larger size when closing to bleed off the vacum fast enough. Ron

---

That is right!

Now the question is: do you think my engine will bog from too fast opening rate???

528 HEMI
10,5:1 compression
solid roller cam
Intake- [Email]248@.050[/Email] & .604lift
>Exhaust- [Email]254@.050[/Email] & .591lift
>Lobe sep is 114
>lobe #`s: 4875B/4876B sn#-A6105
CNC ported heads flowing over 430 cfm intake 250 cfm exh
2,25" headers
stage V duial inline intake with dual 4160 750 holleys

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Only way to find out is the run it , if it bogs change the springs .

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yepper....will do that.

Mopar Muscle article has the check balls withj the yellow spring.

Ill try the red spring without the balls and go from there....

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You wont have any balls !!!!

All kidding aside I agree you will have to try it and see how it works. Good luck , Ron