Volvo RWD 140-160 Forum

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B20 Race Cam 140-160

posted by  Mcloud on  Mon Dec 23 17:23 CST 2024
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last visit: Wed Feb 5 08:49 CST 2014
[RELATED]

1971 142 Vintage Racer Build: What wouldbe a good cam choice for this Vintage Racer? I'm thinking a VOLVO 'S' cam. If so, would the 'High Performance' springs sold by VP Autoparts support this cam?
Thanks for your advice,
Mark








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    B20 Race Cam 140-160

    uid 37336's pic
    posted by  B20Paul. on  Sun Feb 2 09:03 CST 2025
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    last visit: Mon Oct 20 10:54 CST 2014
    [RELATED]

    The S cam is an Isky Z50: 254°@.050", .336" Lobe Lift, approximately 104°LSA.

    You need a very well ported head, good springs, pushrod upgrade, stronger rocker pedestal bolts, Twin 45 DCOE's or better, 4-1 headers of the Jere Stahl type.










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    B20 Race Cam Volvo Redblock camspec tabkle? 140-160

    uid 46171's pic
    posted by  kittysgreyvolvo on  Sat Dec 28 04:38 CST 2024
    Author: [PROFILE] [EVERY POST] [THREADS] [BEST POSTS] RSS Feed     [IGNORE ALL POSTS]
    last visit: Sat Oct 18 15:23 CST 2014
    [RELATED]

    OMG, brickboard continues to work well.

    Also ask this question at Turbobricks.

    https://turbobricks.com/index.php?forums/performance-modifications.13/

    Yet here is the table that lists redblock camspec info as it was and was a sticky in the Performance and Mod page:

    http://web.archive.org/web/20210924225905/https://www.turbobricks.com/resources.php?content=camspec

    So I may place this table on the brickboard. Right. Here.

    Edit: Gotta scroll down. May not like the table border and cellpadding. Weeeeeeeeeeeeeee!!!!!!





































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































    B2xx 8v cams
    Cam Lift (in) Lift (out) Dur. (in) Dur. (out) LSA Manufacturer Notes:
                   
    A 10.5   254 249 109 Standard B17, B19A, B21A, B23A, B19E (84), B23E (84), B200E, B230A/E/ET
    B 10.6   256 249   Standard B21F/E, B23ET
    D 11.2   253     Standard B19E, B21E
    Gr.A 10.24   252     SAM Group A engine
    Gr.A T5 11   267     SAM Group A engine, extreme
    GT6 12.5   312   107 KG-trimning Volvo racing
    H 12 11.5 272 268   Standard B23E (79-80)
    K 11.95   270 257 110 Standard B23E (81-83), B19 Sport, B230 Penta marine engine
    L 9.8   252     Standard B19A, B21A (84), B21F-MPG (80-82 US & Can.), B200K
    M (F) 9.5 10.5 242 234   Standard B21F (77-80 in US & Can.), B21F, B23F, B200F/G, B230F/FD
    T 9.94   225 218 109 Standard B19ET, B21ET/FT, B23ET/FT, B200FT, B230K/FT/FK/GT
    V 11.27   245.4     Standard B200E, B230E
    VX 11.37 10.65 245.4 236.2 111 Standard Sport, V-intake, X-exhaust
    VX3 11.37 10.65 245.4 236.2 111 Standard Sport, new style, VX advanced 3 degrees. B230EB/FB/G
    X 10.65   236     Standard B230K
    Y 10.35   232     Standard B200K
    KG001 11.4   290   110 KG-trimning Street cam, good torque, HP increase 10-15HP on B21E/F
    KG002 11.9   300   110 KG-trimning Much torque, a little more "bite" than KG001-cam, not for B21
    KG003 11   304   110 KG-trimning Street cam, HP increase 15%, one step up from KG002-cam, not for B21
    KG004 11.95   270 257 110 KG-trimning Substitute for Volvo K-profile
    KG2T 10.5 11.9 300   114 KG-trimning True turbo cam, awesome torque. A-intake, K-exhaust, Long duration
    KG7 12.2   304   105 KG-trimning Requires stage 2 head
    KG8 13.4   315   104 KG-trimning Best cam for rally and street
    KG9 12.7   324   104 KG-trimning 2.3L cirquit racing 
    V16 12.2   268   109 ENEM Rev´s very high, B21/23/230
    V16 12.2   268   112 ENEM Stage 2/3 turbo, B21/23/230
    K13 12.5   280   106 ENEM Stage 3, B21/23/230
    K15 12.5   292   108 ENEM Stage 3/4, B21/23/230
    K20 13   300   104 ENEM Stage 4/5, B21/23/230
    K14 12.5   304   108 ENEM Stage 4/5, B21/23/230
    M1 11.6   296   107 ENEM Stage 3/4, B21/23/230
    C2 13.9   292   104 ENEM Stage 4/5, B21/23/230
    V15 11.9   256   109 ENEM Substitute cam, much torque, B21/23/230
    V15 11.9   256   112 ENEM Turbo, substitute cam, much torque, B21/23/230
    K25 14.5   308   104 ENEM Stage 5,  37mm lifters required, B21/23/230
    K25/K20 14.5 13 308 300 104 ENEM Stage 5,  37mm lifters required, B21/23/230
    K21 13.5   308   104 ENEM Stage 5, B21/23/230
    K22/K21 14 13.5 320 308 104 ENEM Stage 5/6, B21/23/230
    K24 14.5   316   104 ENEM Stage 5/6, 37mm lifters required, B21/23/230
    K24/K25 14.5   316 308 106 ENEM Stage 5/6, 37mm lifters required, B21/23/230
    K26/K25 14.5   324 316 106 ENEM Stage 6, 37mm lifters required, B21/23/230
    K27/K24 15.5 14.5 316   106 ENEM Stage 6, 38.5mm lifters required, B21/23/230
    SPM Turbo cam 12.5   292   117 Sten Parner Motor May require head-work and 37mm lifters
    IPD Turbo cam 11.95   256   112 IPD Same as ENEM V15-profile
                   
                   
    B2xx 16v cams
                   
    Cam Lift (in) Lift (out) Dur. (in) Dur. (out) LSA Manufacturer Notes:
                   
    UI Intake cam 9.38   268     Standard B204E, B234F/G
    UA Exhaust cam   9.38   268   Standard B204E, B234F/G
    FI Intake cam 6.81         Standard B204FT/GT
    FA Exhaust cam   7.45       Standard B204FT/GT
    PZI Intake cam           Standard AQ171/B251A Boat cam, lobes 0.7mm taller 0.5mm fatter than UI/UA cams
    PZA Exhaust cam           Standard AQ171/B251A Boat cam, lobes 0.7mm taller 0.5mm fatter than UI/UA cams
                   
                   
    B18/B20 8v cams, rocker ratio 1.45 (TG Motor 1.5)
                   
    Cam Lift (in) Lift (out) Dur. (in) Dur. (out) LSA Manufacturer Notes:
                   
    A 8.9   248   111 Standard B18, B20, single carb
    C 9.9   264   111 Standard B18, B20B, dual carbs
    D 10.8   280   111 Standard B20E up to 1973
    K 10.8   277   111 Standard B20E from 1974 and up
    F 11.4   300   111 KG-trimning Stage 2 head required, dual 45 carbs
    R 11.6   287   102 KG-trimning Stage 2 head required, dual 45 carbs
    S 12.9   300   101 KG-trimning Stage 3 or 4 head required, dual carbs
    P           Standard Boat cam, good torque
    KG10 11.1   280   110 KG-trimning Stronger than D and K, suitable for fuel injection, turbo and stage 2 head
    KG17 11.1   285   107 KG-trimning Low RPM torque, dual carbs, stage 2 head
    KG19 12.4 11.25 312 292 105 KG-trimning Street cam, low RPM torque, stage 2/3 head
    KG6 12.54   312   105 KG-trimning Good low RPM torque, stage 3 head and up
    KG5 12.9   320   104 KG-trimning KG6 +10HP, very good low RPM torque, stage 3 head and up
    KG MR3 13.9   320   103 KG-trimning Max power, racing, special lifters and block mod. required, stage 3 head
    KG MR1 13.9   320   101 KG-trimning Equal to MR3, higher powerband
    KG CW1 13.4       101 KG-trimning Equal to KG5, higher powerband, racing, stage 3 head and up
    K16 12   260   108 ENEM Stage 2
    K17 12   272   108 ENEM Stage 2/3
    K18 12   284   108 ENEM Stage 3
    K19 12   296   108 ENEM Stage 4
    K23 12   308   108 ENEM Stage 4/5
    H3 12.5   312   105 ENEM Stage 5, special/double valve springs
    M13 12.9   320   104 ENEM Stage 6, special/double valve springs
    TG 761 11.4   280     TG Motor "Nice" allround cam
    TG 765 T 11.45   281     TG Motor "Nice" allround cam, turbo
    TG 774 11.6   290     TG Motor Biggest cam useable with original valve springs
    TG 844 T 12.59   277     TG Motor Good turbo cam for daily use
    TG 876 12.61   282     TG Motor As "nice" as TG 761, but higher power
    TG 863 12.85   292     TG Motor "Nice" cam, street racing
    TG 880 T 13.1   288     TG Motor Best turbo cam from TG Motor, for highly modified engines
    TG 958 13.5   296     TG Motor Substitute for TG 858, suitable for dual SU or Weber carbs
    TG 984 13.85   318     TG Motor Race cam, good torque, high peak HP
                   
                   
    B30 8v cams, rocker ratio 1.45
                   
    Cam Lift (in) Lift (out) Dur. (in) Dur. (out) LSA Manufacturer Notes:
                   
    C 9.9   264   111 Standard B30 standard cam, not for boat use
    K 10.8   277   111 Standard Light tuning, works with original carb or injection, +25-40HP
    P           Standard Boat cam, good torque
    KG10 11.1   280   110 KG-trimning For turbo or light tuning
    KG17 11.1   285   107 KG-trimning Stage 2 head, triple 45 carbs
    KG19 12.4 11.25 312 292 105 KG-trimning Stage 2 head, triple 45 carbs
    KG6 12.54   312   105 KG-trimning Stage 3 head and up, triple 45 carbs
    KG5 12.9   320   104 KG-trimning Stage 4 head and up, triple 45 carbs

     


    		  


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