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HD 2007/2008 Engines

High Heat on 2007/08 HD engines

HD 2007/08 Performance Recommendations

Cool your exhaust temperature with the Wide Band O2 upgrade for 2007/08 HD

Harley Camshaft Specification Tables

HD Twin Cam Engine Builds
TC 128 HP 95 CID
TC 100HP Street Engine

The basics of Fuel Injection explained

DEWEY'S CUSTOM
Rammer Performance Air Cleaners
TC Performance Heads 100+HP

Pro Tuning on a Shade Tree Budget

   
Harley-Davidson

Shovelhead Camshaft Specifications
by Duration

Manufacturer Cam   Bolt  --Intake--  --Exhaust--   ---Duration---  Over   Lobe Center        ---Lift---  Lift @ TDC   ---RPM---  Min     Max.
             Grind  in?  open close  open  close   Intake Exhaust   lap    Int.   Exh. LSA    Int.  Exh.  Int. Exh.    Low High  CID     HP
 HD Stock   H (Front Y    -6    46    44     20      220     244    14    116    102  109.0 0.390 0.390
Andrews        2     -    15    35    35     15      230     230    30    100    100  100.0 0.490 0.490 0.098 0.098
Andrews        1     Y    16    36    36     16      232     232    32    100    100  100.0 0.427 0.427 0.098 0.098
 HD Stock   H (Rear) Y    14    38    44     20      232     244    34    102    102  102.0 0.390 0.390
V-Thunder   SHV-4000 Y    14    42    42     14      236     236    28    104    104  104.0 0.450 0.450 0.133 0.133
V-Thunder   SHV-4010 -    14    42    42     14      236     236    28    104    104  104.0 0.485 0.485 0.133 0.133
Andrews        J     Y    21    41    41     21      242     242    42    100    100  100.0 0.405 0.405 0.154 0.154
V-Thunder   SHV-4020 -    17    45    45     17      242     242    34    104    104  104.0 0.485 0.485 0.147 0.147
V-Thunder   SHV-4040 -    17    45    50     22      242     252    39    104    104  104.0 0.485 0.485 0.147 0.171        5800
Andrews        A     Y    21    43    43     21      244     244    42    101    101  101.0 0.450 0.450 0.156 0.156
Andrews        AB    Y    21    43    50     26      244     256    47    101    102  101.5 0.450 0.450 0.156 0.170
Crane       H288-2B  Y    18    46    51     23      244     254    41    104    104  104.0 0.450 0.450
Crane         298B   Y    18    46    51     23      244     254    41    104    104  104.0 0.450 0.450
Andrews        3     -    23    43    43     23      246     246    46    100    100  100.0 0.514 0.514 0.125 0.125               84
Sifton       RE-101  Y    14    55    54     15      249     249    29    111    110  110.0 0.400 0.400 0.121 0.135
Crane        H288 B       24    48    48     24      252     252    48    102    102  102.0 0.450 0.450
V-Thunder   SHV-4030 -    22    50    50     22      252     252    44    104    104  104.0 0.485 0.485 0.171 0.171        6000
Sifton       RE-112  -    28    45    53     25      253     258    53     99    104  101.3 0.440 0.440 0.200 0.179  2500  5000
Crane       H298-2B  -    25    49    62     22      254     264    47    102    110  106.0 0.450 0.450
Andrews        B     -    26    50    50     26      256     256    52    102    102  102.0 0.485 0.485 0.182 0.182
Andrews        BH    -    24    52    52     24      256     256    48    104    104  104.0 0.450 0.450 0.156 0.156
V-Thunder   SHV-4050 -    24    56    61     29      260     270    53    106    106  106.0 0.550 0.550 0.182 0.207        7000   84
Sifton       RE-110  -    33    49    57     23      262     260    56     98    107  102.5 0.450 0.450 0.168 0.123
Sifton       RE-109  -   32.5   50   58.5    30      263     269    63     99    104  101.5 0.440 0.440 0.215 0.200
Sifton       RE-107  -    29    54    53     25      263     258    54    103    104  103.3 0.440 0.440 0.193 0.164
Andrews        M     -    28    56    56     28      264     264    56    104    104  104.0 0.590 0.590 0.210 0.210  3000  6500   88
Sifton       RE-105  -    25    60    63     23      265     266    48    108    110  108.8 0.475 0.475 0.180 0.175
Crane         310B   -    31    55    55     31      266     266    62    102    102  102.0 0.525 0.525
Andrews        6     -    32    56    56     32      268     268    64    102    102  102.0 0.510 0.510 0.190 0.190  2500  6500   84
Crane         304B   -    32    56    56     32      268     268    64    102    102  102.0 0.485 0.485
Sifton       RE-118  -    35    54    62     32      269     274    67    100    105  102.3 0.575 0.575 0.233 0.236
Sifton       RE-117  -    32    58    56     39      270     275    71    103    99   100.8 0.485 0.485 0.212 0.204               84
Andrews       S82    -    32    60    66     30      272     276    62    104    108  106.0 0.590 0.590 0.237 0.220        6500
Crane         320B   -    36    60    64     32      276     276    68    102    106  104.0 0.550 0.550
Andrews        9     -    32    64    64     32      276     276    64    106    106  106.0 0.530 0.530 0.222 0.222               88
Andrews       S84    -    32    64    70     30      276     280    62    106    110  108.0 0.630 0.630 0.241 0.223        6500   84
Sifton       RE 104  -    30    67    55     28      277     263    58    109    104  106.0 0.445 0.445 0.190 0.210
Andrews        C     -    37    61    61     37      278     278    74    102    102  102.0 0.525 0.525 0.234 0.234  2000  7000   84
Sifton       RE-108  -    34    65    66     33      279     279    67    106    107  106.0 0.485 0.485 0.214 0.240
Andrews        10    -    34    70    70     34      284     284    68    108    108  108.0 0.580 0.580 0.230 0.230        6500   92
Andrews       S86    -    34    70    76     32      284     288    66    108    112  110.0 0.660 0.660 0.254 0.235        6500  100
Crane         330B   -    41    65    73     33      286     286    74    102    110  106.0 0.575 0.575               
 

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Modification, Installation, Maintenance and Tuning Index  will help you find most of the information you want on one page.

How to get Professional Tuning Results at home
Testing the Innovate Motorsport LM-1 portable air fuel meter

Profession Tuning on a Shade Tree Budget

Veypor VR2 Data Logger and Instrument Panel
Video Installation and Demo
Purchase VR2


Engine Performance
How to Build a
TC96 2007 Engines
TC88 70HP Stage1  
TC95 128HP Stage 3
TC95 100HP Street
 
TC96 2007 Stage 1/2
EVO 64 HP Stage 1
EVO 74 HP Stage 2
EVO 82 HP Stage 3
EVO 95 HP Stage 3
883 to 1200 Upgrade
Shovelhead Modifications

New EFI for EVO and TC

Performance Gallery
Horsepower Gallery
Evolution 80
Shovelhead
Sportster
Twin Cam 88/95
Evolution Unlimited
Sportster Unlimited
Drag Strip Gallery
Land Speed Racing Gallery
CV Carburetor
Modifying the CV carb
Tuning a CV carb
Camshafts
Selecting a cam
Install a TC 88/95 cam
Install a Big Twin cam
Install Sportster cams

Camshaft Specifications
Twin Cam
EVO
Shovel
XL


Exhaust Systems
EVO Exhaust Testing
TC Exhaust Testing
Khrome Werks AR100 test
Making Drag Pipes Work

SHOP TALK
Shop Manual
Carburetor
Carburetor Troubleshooting
Exhaust
Ignition
Finding Manifold Leaks
Camshafts
Cylinder Heads
Pistons and Cylinders
Clutch
Belt Drive
Shop Manual Appendix
$20 Bike Lift
Plug Wires
Spark Plugs
Engine Tuning
Nitrous Oxide
Motor Oil
Stutter Box
General Information
WEB Links
Buy Books and Manuals
Miscellaneous
Performance Calculations
Estimate Horsepower
Estimate 1/4 Mile Time
Estimate Top Speed

Engine Displacement
Exhaust Length
Gear Ratios
MPH at RPM
Air Density

The Nightrider Diaries
The ramblings of a genius a, a madman and something in between.

Where is Sifton Cams?

Autocom Active-7 tested

Harley-Davidson EFI
-EFI basics explained
-EFI modifications explained

183 HP, 2 carbs, 2680cc

Copyright 1997-2006  Stephen Mullen, Oldsmar, FL -+-