Comp Cams Beehive Springs
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Car: 1987 Chevy V10
Engine: 5.7L
Transmission: 700r4
Axle/Gears: 4.10
Car Craft did. Check it out.
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Car: 90 454SS
Engine: 454 TBI
Transmission: TH400
Well, I read the article.
But a very experienced engine builder I know says its hype.
I priced the springs and retainers and they're ridiculous. Almost $400 for the springs and the titanium retainers. Quite a bit less for steel retainers, though.
I know the LS1 engines use them from the factory, so there must be some merit to them.
But a very experienced engine builder I know says its hype.
I priced the springs and retainers and they're ridiculous. Almost $400 for the springs and the titanium retainers. Quite a bit less for steel retainers, though.
I know the LS1 engines use them from the factory, so there must be some merit to them.
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Car: 88 Trans Am
Engine: lt1 intaked 355 makin 277 on 25 psi of fuel pressure and stock timing :)
Transmission: A4 stock... that moved a mobile dyno a foot shifting into 2nd :)
i have a freind that works at AER here in dallas... and they are swapping all of there ford motors over to these springs.... they are dyno proven.... they actually free up some hp....... kinda weird huh?.... i also talked to comp cams and he can get me a cam/lifter/spring/retainers/locks for my car for just under 450
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Car: 90 454SS
Engine: 454 TBI
Transmission: TH400
Originally posted by 86IROCTHD
i have a freind that works at AER here in dallas... and they are swapping all of there ford motors over to these springs.... they are dyno proven.... they actually free up some hp....... kinda weird huh?.... i also talked to comp cams and he can get me a cam/lifter/spring/retainers/locks for my car for just under 450
i have a freind that works at AER here in dallas... and they are swapping all of there ford motors over to these springs.... they are dyno proven.... they actually free up some hp....... kinda weird huh?.... i also talked to comp cams and he can get me a cam/lifter/spring/retainers/locks for my car for just under 450
I may try these. BBC's are notorious for their heavy valvetrains, especially with hydraulic roller lifters (which I have).
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Originally posted by va454ss
Well, I read the article.
But a very experienced engine builder I know says its hype.
I priced the springs and retainers and they're ridiculous. Almost $400 for the springs and the titanium retainers. Quite a bit less for steel retainers, though.
I know the LS1 engines use them from the factory, so there must be some merit to them.
Well, I read the article.
But a very experienced engine builder I know says its hype.
I priced the springs and retainers and they're ridiculous. Almost $400 for the springs and the titanium retainers. Quite a bit less for steel retainers, though.
I know the LS1 engines use them from the factory, so there must be some merit to them.
preston smith swears by them, and seeing as his turbo charged iroc runs 9.80's i think he might have a good idea
alot of guys are probably familiar with his car, its been in just about every magazine at one time or another, he lives right up the road here
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Car: 88 Trans Am
Engine: lt1 intaked 355 makin 277 on 25 psi of fuel pressure and stock timing :)
Transmission: A4 stock... that moved a mobile dyno a foot shifting into 2nd :)
i know on a big block that they used these on... it was in a mag artical.. or something... the non-behives started to float valves at 5800 rpm... and with the behives they went to 6800 plus? if thats not a good enough reason the i dont know what is... they said it was still pulling and making power.... but as far as the actuall increase i am not sure.... didnt ask really but they just told me they were bad A$$ and helped out alot on some motors more than others soooo to each his own ... i will run these on my tfs heads i am getting at christmas.... so.....
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Car: 90 454SS
Engine: 454 TBI
Transmission: TH400
Originally posted by theno1prince
Car Craft did. Check it out.
Car Craft did. Check it out.
Can't tell by pics if titanium or steel.
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Car: 90 454SS
Engine: 454 TBI
Transmission: TH400
Well, now they are in hand
We'll see how things go when I install these along with my new 1.8 Crower ss rockers
I also opted for the titanium keepers
On the subject, how does one calculate increases in lift and duration with changes in rocker arm ratios?
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We'll see how things go when I install these along with my new 1.8 Crower ss rockers
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I also opted for the titanium keepers
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On the subject, how does one calculate increases in lift and duration with changes in rocker arm ratios?
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Car: 1986 camaro
Engine: 383 sbc
Transmission: th-400
Axle/Gears: 4th Gen 10 bolt/Detroit TrueTrac 4.
why 1.8 rockers if you dont mind me asking? and i noticed that you didnt specify what cam you have in your sig. did you swap cams or is it still a factory one? if it is a factory then you may see better performance from the cam than just rockers.
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Car: 88 Trans Am
Engine: lt1 intaked 355 makin 277 on 25 psi of fuel pressure and stock timing :)
Transmission: A4 stock... that moved a mobile dyno a foot shifting into 2nd :)
this is the way i know how to do
example.
lt4 hot cam has a lift of .525 at .050 with 1.6 rockers... so
if u take the .525/ 1.6=.328125ish so thats the actuall lift on the cam... (i hope)... then u multiply it by the rocker size u are gonna go with which is 1.8 correct? so .328125x1.8=.590625 so about a .590 lift thats they way i know how to get the lift.... hope this helps
example.
lt4 hot cam has a lift of .525 at .050 with 1.6 rockers... so
if u take the .525/ 1.6=.328125ish so thats the actuall lift on the cam... (i hope)... then u multiply it by the rocker size u are gonna go with which is 1.8 correct? so .328125x1.8=.590625 so about a .590 lift thats they way i know how to get the lift.... hope this helps
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Car: 1986 camaro
Engine: 383 sbc
Transmission: th-400
Axle/Gears: 4th Gen 10 bolt/Detroit TrueTrac 4.
no i understand that but why spend all that money on crower rockers instead of a healthy cam?
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Car: 90 454SS
Engine: 454 TBI
Transmission: TH400
Originally posted by spartyon
no i understand that but why spend all that money on crower rockers instead of a healthy cam?
no i understand that but why spend all that money on crower rockers instead of a healthy cam?
2) When I installed the cam several years ago (CC 264 HR), I was just getting started in modifying my TBI'ed vehicle. If I knew then what I know now, I would've installed a slightly larger cam.
3) Its a lot less work and $ to swap rockers than cams
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Last edited by va454ss; 09-29-2004 at 05:15 AM.
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