MODIFICATION SEQUENCE
The person that wants to modify their Turbo over a period
of time building up the mods in a progressive power and cost escalation
should possibly follow the listed path to get the most benefits.Don't forget
to also DYNO TUNE & GAS ANALYSE your modifications for correct mixtures
between each step.
1. Check current state of engine and turbo, including exhaust manifold and
wastegate operation.
2. Service standard motor first to Manufacturer specs. Change all fluids.
3. Check Brakes. ( You need to be able to stop as well!!) Check all HOSES,
AIR & WATER.
4. Replace Air filter with Foam type.Duct cold air to Air Cleaner.
5. Replace Spark Plugs with NGK or Splitfire
6. Modify Boost to higher level. ( 3-4 PSI)
7. Alter Timing to suit.
8. Adjust fuel if req. for correct Air Fuel ratio
9. Turn down boost to lowest level.
10. Fit Larger Dia. Exhaust 2.5" to 3".
11. Re-adjust boost back to previous level.
12. Fit Intercooler - Larger the better in air flow.
13. Fit Turbo By-pass Valve
13. Increase boost now to limit of fuel cut out.
14. Fit fuel cut defender.
15. Adjust boost higher.
16. Increase fuel to keep Air /Fuel mixture correct.
17. Fit modified Camshaft for more exh. duration
18. Modify Turbo or Replace with high flow unit
19. Replace exhaust manifold for high flow
The easiest basic modification is to increase the boost moderately by a few
pounds which should give approx 10 HP per Pound. you can feel 20-30 HP at
the seat of your pants ok.
Detonation is to be
avoided at any cost. |
Warning, the All TURBO CLUB Register makes
this information available to you with NO express guarantee's implied or otherwise on the
suitability of the information being relevent to your Automobile Make or Model. You should
not make any modifications to your Automobile unless a qualified Mechanic has approved and
checked that the vehicle is safe and roadworthy and meets all relevent State Governed
Regulations before proceeding onto public roads. The information contained in this ATCR
Website is believed to be correct but the Author and Publisher make no warranties, express
or implied that the information is free of errors, or that it will meet the particular
requirements of individual Automotive application. |
