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Dantheman1540
Full Access Member
Uhggg do they even come out on youtube anymore?
2004 6.0 NV4500 Tahoe
- Thread starter Dantheman1540
- Start date
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Uhggg do they even come out on youtube anymore?
iamdub
Full Access Member
I don't know, man... They're like a drug dealer- they gave us some awesome freebies to get us hooked and now they got our Jonesin' asses by the balls.
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Dantheman1540
Full Access Member
I have a subscription through Amazon prime. Do you have the prime?
PG01
Supporting Member
Must have the prime..... eeeryone has the prime..... the prime....mmmmm
don’t mind me....
iamdub
Full Access Member
I do. Well, Jenn has Prime. I just use her login info to buy stuff. I think she has Prime Video, if that's what's needed. I'll have to get her to turn the TV on and pull it up so I can see what we even have.
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Dantheman1540
Full Access Member
Prime is life! Nothing is better than ordering something around lunch at work. Get home at 530 and bam its already there!
Yep use prime video and search the motor trend channel or something like that. Its weird because if I go directly to the motor and website it doesn't work but through prime all is possible
iamdub
Full Access Member
I'll have to give this a shot. I know I've watched a quite few shows on Motortrend TV, but I never know how to find them with all the damned apps Jenn has and uses.
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Dantheman1540
Full Access Member
Well get on it you have some engine masters education to catch up on!
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Dantheman1540
Full Access Member
So back when my spring broke and dropped a valve a buddy offered to have me send him a few and he would test them to identify which model spring they were since I truly didn't know and don't like to spread misinformation. The test results just came back here is what he said.
"Finally had them tested. Looks like they were PAC 1219 and not 1218
They have a 120Lbs. of seat pressure at 1.8 installed height. At 1.3 Height they are 280lbs
The PAC1219 are rated at 340Lbs per inch so that is 170Lbs for 1/2 inch. So 120 + 170 = 290. Being 10lbs lower is acceptable for a used spring and would be considered within spec.
The 1218 are rated at 313Lbs per inch which would be 156Lbs for 1/2 inch So 120 + 156 = 276. The springs wouldn't test higher than they are rated for especially after being used.
1 of the 3 Springs you sent had some odd wear on the top retainer area. Where they just stock OEM retainers? Did they have a locator underneath or did they sit on the hat of a valve seal?"
They were indeed on stock retainers however the spring did not break on a coil directly touching the retainer. Either way this should be a decent thing to consider for people wanting to run high lift cams with single springs even if the spring is rated to that lift.
@Tonyrodz @mikeyss (AKA the valve dropping boys.)
"Finally had them tested. Looks like they were PAC 1219 and not 1218
They have a 120Lbs. of seat pressure at 1.8 installed height. At 1.3 Height they are 280lbs
The PAC1219 are rated at 340Lbs per inch so that is 170Lbs for 1/2 inch. So 120 + 170 = 290. Being 10lbs lower is acceptable for a used spring and would be considered within spec.
The 1218 are rated at 313Lbs per inch which would be 156Lbs for 1/2 inch So 120 + 156 = 276. The springs wouldn't test higher than they are rated for especially after being used.
1 of the 3 Springs you sent had some odd wear on the top retainer area. Where they just stock OEM retainers? Did they have a locator underneath or did they sit on the hat of a valve seal?"
They were indeed on stock retainers however the spring did not break on a coil directly touching the retainer. Either way this should be a decent thing to consider for people wanting to run high lift cams with single springs even if the spring is rated to that lift.
@Tonyrodz @mikeyss (AKA the valve dropping boys.)
Tonyrodz
Resident Resident
Thx for the shout out lol!So back when my spring broke and dropped a valve a buddy offered to have me send him a few and he would test them to identify which model spring they were since I truly didn't know and don't like to spread misinformation. The test results just came back here is what he said.
"Finally had them tested. Looks like they were PAC 1219 and not 1218
They have a 120Lbs. of seat pressure at 1.8 installed height. At 1.3 Height they are 280lbs
The PAC1219 are rated at 340Lbs per inch so that is 170Lbs for 1/2 inch. So 120 + 170 = 290. Being 10lbs lower is acceptable for a used spring and would be considered within spec.
The 1218 are rated at 313Lbs per inch which would be 156Lbs for 1/2 inch So 120 + 156 = 276. The springs wouldn't test higher than they are rated for especially after being used.
1 of the 3 Springs you sent had some odd wear on the top retainer area. Where they just stock OEM retainers? Did they have a locator underneath or did they sit on the hat of a valve seal?"
They were indeed on stock retainers however the spring did not break on a coil directly touching the retainer. Either way this should be a decent thing to consider for people wanting to run high lift cams with single springs even if the spring is rated to that lift.
@Tonyrodz @mikeyss (AKA the valve dropping boys.)
Got some beehives from Brian Tooley--don't know what they're rated at tho.
