Cam Replacement Guide
Discussion
Some popular cam performance and (some) specifications
Standard RV8 285" .39" 5000-5400 rpm
Hurricane 262' .433" 1000-6000rpm Better than standard RV8, but a bit "soft". Good for auto boxes
Typhoon 276 '.48" 1200-6200 rpm Needs valve springs and possibly guides-. Good all rounder
MC1 Good idle, excellent drive ability, reasonable bhp.
MC2 Mediocre idle, mediocre drive ability, good mid range, good bhp.
H404 Very poor idle, very poor drive ability, good mid range, excellent bhp
Stealth. Very good idle, excellent drive ability, moderate mid range, good bhp.
Piper 270 272' .42" 1500-6000 rpm Good idle, good mid range, poor BHP.
Piper 285 276' .440" 2000-6500 rpm. Bad idle, poor drive ability, very good mid range, good bhp but falls off the cam very quickly.
Piper 300 Bad idle, poor drive, moderate mid range, good bhp
Kent 200 Very good idle, good drive, poor every where else
Kent 218 Good idle, good drive, good mid range, poor bhp
Kent 214 Ok idle, ok drive ok mid, range ok bhp
Kent 224 Poor idle, poor drive, good mid range, good bhp
Kent 234 Bad idle, bad drive, good mid range, excellent bhp,
Or my bespoke one that I have just stuck in my engine, the "Jack Russell Special", (what is it about Alex and dags!), totally untested!
Standard RV8 285" .39" 5000-5400 rpm
Hurricane 262' .433" 1000-6000rpm Better than standard RV8, but a bit "soft". Good for auto boxes
Typhoon 276 '.48" 1200-6200 rpm Needs valve springs and possibly guides-. Good all rounder
MC1 Good idle, excellent drive ability, reasonable bhp.
MC2 Mediocre idle, mediocre drive ability, good mid range, good bhp.
H404 Very poor idle, very poor drive ability, good mid range, excellent bhp
Stealth. Very good idle, excellent drive ability, moderate mid range, good bhp.
Piper 270 272' .42" 1500-6000 rpm Good idle, good mid range, poor BHP.
Piper 285 276' .440" 2000-6500 rpm. Bad idle, poor drive ability, very good mid range, good bhp but falls off the cam very quickly.
Piper 300 Bad idle, poor drive, moderate mid range, good bhp
Kent 200 Very good idle, good drive, poor every where else
Kent 218 Good idle, good drive, good mid range, poor bhp
Kent 214 Ok idle, ok drive ok mid, range ok bhp
Kent 224 Poor idle, poor drive, good mid range, good bhp
Kent 234 Bad idle, bad drive, good mid range, excellent bhp,
Or my bespoke one that I have just stuck in my engine, the "Jack Russell Special", (what is it about Alex and dags!), totally untested!
If you give RPI a call you will have buzzing tab holes, your debit card out without knowing it.. You have bought..
1 Power amp
1 set of magnacore leads
1 Mark Adams chip (one chip fits all)
1 Mallory Dizzy
Your £800 down and very confused
Think this is a common occurrence,who is that guy on the other end of the phone
1 Power amp
1 set of magnacore leads
1 Mark Adams chip (one chip fits all)
1 Mallory Dizzy
Your £800 down and very confused
Think this is a common occurrence,who is that guy on the other end of the phone

Edited by SILICONEKID340HP on Tuesday 21st February 23:38
MPoxon said:
S
t it explains no more than 300hp with standard pistons !does this mean mines going to go bang at any time..mine must be standard .
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