ordered 1.6 rockers do i need to up stock springs?
#1
ordered 1.6 rockers do i need to up stock springs?
ordered 1.6 rockers do i need to up stock springs? im doing heads and camin a bit but i cant wait the car has 82 k on her by the way. can i get by with just swapping the rockers and not doing the springs yet?
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http://www.byunspeed.com/product_inf...d738cbd5ed0493
#7
Your stocker will bind and may FAIL, you MUST change them. If you have the cash use something better than the LT4 springs. They where designed for a ferris filled valve of the LT4 and your stockers are heavier.
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Heres a cheaper alternative & there much better then the LT4 springs & the price is right, they are Howards springs # 98212. 42.95
Sinlgle with dampner
O.D 1.265
I.D .875
115 @ 1.750
340 @ 1.250
Rate 425 lbs.
Coil bind 1.150
Max lift. .570 This spring was recammended by Lloyd Elliott for running the stock cam with 1.6 RRs, but he told me to get some keepers (locks), but i forgot the Part #, these will drop right in, if i find the part #, i'll post it.
Now there is also this spring, its the Z28 spring by Howards, but not sure if it'll (the dampner) will fit over the Guide boss on the LT1 head, there # 98214 for 27.95
Single with Dampner
O.D 1.250
I.D .870
115 @ 1.700
300 @ 1.250
Rate 411 lbs.
Coil bind 1.160
Max lift. .510
Sinlgle with dampner
O.D 1.265
I.D .875
115 @ 1.750
340 @ 1.250
Rate 425 lbs.
Coil bind 1.150
Max lift. .570 This spring was recammended by Lloyd Elliott for running the stock cam with 1.6 RRs, but he told me to get some keepers (locks), but i forgot the Part #, these will drop right in, if i find the part #, i'll post it.
Now there is also this spring, its the Z28 spring by Howards, but not sure if it'll (the dampner) will fit over the Guide boss on the LT1 head, there # 98214 for 27.95
Single with Dampner
O.D 1.250
I.D .870
115 @ 1.700
300 @ 1.250
Rate 411 lbs.
Coil bind 1.160
Max lift. .510
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Heres a cheaper alternative & there much better then the LT4 springs & the price is right, they are Howards springs # 98212. 42.95
Sinlgle with dampner
O.D 1.265
I.D .875
115 @ 1.750
340 @ 1.250
Rate 425 lbs.
Coil bind 1.150
Max lift. .570 This spring was recammended by Lloyd Elliott for running the stock cam with 1.6 RRs, but he told me to get some keepers (locks), but i forgot the Part #, these will drop right in, if i find the part #, i'll post it.
Now there is also this spring, its the Z28 spring by Howards, but not sure if it'll (the dampner) will fit over the Guide boss on the LT1 head, there # 98214 for 27.95
Single with Dampner
O.D 1.250
I.D .870
115 @ 1.700
300 @ 1.250
Rate 411 lbs.
Coil bind 1.160
Max lift. .510
Sinlgle with dampner
O.D 1.265
I.D .875
115 @ 1.750
340 @ 1.250
Rate 425 lbs.
Coil bind 1.150
Max lift. .570 This spring was recammended by Lloyd Elliott for running the stock cam with 1.6 RRs, but he told me to get some keepers (locks), but i forgot the Part #, these will drop right in, if i find the part #, i'll post it.
Now there is also this spring, its the Z28 spring by Howards, but not sure if it'll (the dampner) will fit over the Guide boss on the LT1 head, there # 98214 for 27.95
Single with Dampner
O.D 1.250
I.D .870
115 @ 1.700
300 @ 1.250
Rate 411 lbs.
Coil bind 1.160
Max lift. .510
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To the OP think about it this way, spend an extra hundred bucks or so and a few hours swapping springs or risk dropping a valve and then having to rebuild a damaged short block. Its an easy choice.
#16
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I've gone with stock springs several times with 1.6 rr. But then again I don't run the car very hard. I've never had a problem but it is good insurance to upgrade the springs.
Yes valvesprings wear but I don't think you would have to worry about the patriot golds wearing anytime soon. IF that was the way you decided to go. If it were me I would get some LT4 springs or something similar. Save the money now and if you decide to throw some heads and a cam in get the better springs then.
Yes valvesprings wear but I don't think you would have to worry about the patriot golds wearing anytime soon. IF that was the way you decided to go. If it were me I would get some LT4 springs or something similar. Save the money now and if you decide to throw some heads and a cam in get the better springs then.
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Forgot to mention this earlier, but you will also see more power in the upper rpm's if you change springs too. Even changing springs with the 1.5 RR's has showed a small power incease.
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Agreed, with just a spring change on a higher miled engine, could be worth as much as 10 rwhp, & a solid 20 rwhp with spring/rocker change, thats a nice improvement, but this is with a better spring then the LT4s.
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