Go Back  Offshoreonly.com > Technical > General Q & A
BBC 427 roller cam >

BBC 427 roller cam

Notices

BBC 427 roller cam

Thread Tools
 
Old 12-17-2020 | 02:03 PM
  #31  
GPM
Registered
20 Year Member
 
Joined: Mar 2004
Posts: 2,696
Likes: 93
From: Pa
Default

I would think that RPM range is probably in a longer stroke 454, also an 8 degree split may be better.
GPM is offline  
Reply
Old 12-17-2020 | 02:13 PM
  #32  
GPM
Registered
20 Year Member
 
Joined: Mar 2004
Posts: 2,696
Likes: 93
From: Pa
Default

Just a thought, Lunati Retro-Fit Hydraulic Roller Cam. High performance street cam. Likes upgraded intake, carb and exhaust. Needs 2800 RPM stall converter in most cases. Requires 9.5:1 compression for maximum performance.; Advertised Duration (Int/Exh): 282/290; Duration @ .050 (Int/Exh): 231/239; Gross Valve Lift (Int/Exh): .600/.600; LSA/ICL: 110/106; Valve Lash (Int/Exh): Hyd/Hyd; RPM Range: 2200-5800; Includes: Cam Only

Last edited by GPM; 12-17-2020 at 02:29 PM.
GPM is offline  
Reply
Old 12-17-2020 | 02:39 PM
  #33  
F-2 Speedy's Avatar
Thread Starter
Platinum Member
Community Builder
10 Year Member
Platinum Member
 
Joined: May 2012
Posts: 11,428
Likes: 3,955
From: Midwest & T-Rock
Default

Originally Posted by GPM
Just a thought, Lunati Retro-Fit Hydraulic Roller Cam. High performance street cam. Likes upgraded intake, carb and exhaust. Needs 2800 RPM stall converter in most cases. Requires 9.5:1 compression for maximum performance.; Advertised Duration (Int/Exh): 282/290; Duration @ .050 (Int/Exh): 231/239; Gross Valve Lift (Int/Exh): .600/.600; LSA/ICL: 110/106; Valve Lash (Int/Exh): Hyd/Hyd; RPM Range: 2200-5800; Includes: Cam Only
Is there a part # for this cam 20110712 ?

Last edited by F-2 Speedy; 12-17-2020 at 02:51 PM.
F-2 Speedy is offline  
Reply
Old 12-17-2020 | 02:50 PM
  #34  
GPM
Registered
20 Year Member
 
Joined: Mar 2004
Posts: 2,696
Likes: 93
From: Pa
Default

Lunati, SKU
20010712

Last edited by GPM; 12-17-2020 at 03:06 PM.
GPM is offline  
Reply
Old 12-17-2020 | 02:59 PM
  #35  
F-2 Speedy's Avatar
Thread Starter
Platinum Member
Community Builder
10 Year Member
Platinum Member
 
Joined: May 2012
Posts: 11,428
Likes: 3,955
From: Midwest & T-Rock
Default

show it for a GEN 6
F-2 Speedy is offline  
Reply
Old 12-17-2020 | 03:01 PM
  #36  
GPM
Registered
20 Year Member
 
Joined: Mar 2004
Posts: 2,696
Likes: 93
From: Pa
Default

I ran the hydraulic flat tappet version of the 231/239 110 lsa in a mild 454, nice idle, pulled right to 5400, shorter stroke 427 should go to 5800 easy.
GPM is offline  
Reply
Old 12-17-2020 | 03:03 PM
  #37  
GPM
Registered
20 Year Member
 
Joined: Mar 2004
Posts: 2,696
Likes: 93
From: Pa
Default

Originally Posted by F-2 Speedy
show it for a GEN 6
Sorry, SKU
20110712
GPM is offline  
Reply
Old 12-17-2020 | 03:03 PM
  #38  
GPM
Registered
20 Year Member
 
Joined: Mar 2004
Posts: 2,696
Likes: 93
From: Pa
Default

Voodoo Retro-Fit Hydraulic Roller Cam - Chevrolet Big Block 282/290 (lunatipower.com)
GPM is offline  
Reply
Old 12-17-2020 | 05:30 PM
  #39  
Registered
15 Year Member
 
Joined: Oct 2007
Posts: 8,439
Likes: 93
From: yorkville,il
Default

Originally Posted by F-2 Speedy
Ive not built one of these in years, can the step nose cam fit ? I see in the front of the block that it looks like its machined for the retainer ring but not sure
yes, i put gen 6 step nose cams in mark 4 blocks all the time.you use a gen 6 timing chain&gears and a gm cam retaining plate.i have the gm part number for the plate&bolts in the shop and can list them tomorrow.
mike tkach is offline  
Reply
Old 12-17-2020 | 05:49 PM
  #40  
F-2 Speedy's Avatar
Thread Starter
Platinum Member
Community Builder
10 Year Member
Platinum Member
 
Joined: May 2012
Posts: 11,428
Likes: 3,955
From: Midwest & T-Rock
Default

Originally Posted by mike tkach
yes, i put gen 6 step nose cams in mark 4 blocks all the time.you use a gen 6 timing chain&gears and a gm cam retaining plate.i have the gm part number for the plate&bolts in the shop and can list them tomorrow.
Thanks Mike
F-2 Speedy is offline  
Reply


Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

Copyright © 2026 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.