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Triumph Spitfire 1300. Performance starter map.
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Here is my starter map for the Triumph Spitfire 1300 MKIV.
Large crank.
Lightened and balanced Crank.
gas flowed head.
Fast road cam.
Twin HS4's carbs running AAA needles.
Roller rockers.
91 BHP at the wheels.
Any Q's just ask.
Rob




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My updated map from above but tweeked"
Rob




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Engine Mfg: Triumph
Engine Code: FM
Cylinders: 4
Displacement (cc): 1390 (BORED OUT 1300)
Rev Limit: 5900
TPS or MAP: mAP
Boosted or Normally Aspirated: na TWIN DCOE AND ALSO NOW ON HS4'S RUNNING AAA NEEDLES
If Boosted- max Pressure (KPa):
Modifications: AS LISTEED
Chassis: STANDARD
Notes:

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I have acquired a pair of HS4 from a Spit 1500 thinking of replacing the HS2s what performance gain is there I havent done the work you have done.

Interested in the roller rockers option how did that work?

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