tuning 480 ES B18E

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cendaaa
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tuning 480 ES B18E

Příspěvek od cendaaa »

Nevíte kdo by mi toto mohl udělat ? :prace: za 180hp bych vyhodil klidně i dost peněz :mrgreen:

SEVEN PILLARS OF CYLINDER HEAD MODIFICATION

1. Porting or increasing the diameter of the intake and exhaust ports - generally not required in most Volvo engines;

2. Polishing or smoothing intake/exhaust passages and combustion chambers;

3. Matching or carefully adjusting the fit of the intake and exhaust manifolds to the cylinder head so that the respective orifices line-up with extreme accuracy;

4. Precision valve seat grinding where the valve seats are precisely ground to a nearly continuous curve (5-angle job) or continuous curve (radiuses) to allow air to more smoothly enter the combustion chamber;

5. Big Valve Kits where larger intake and exhaust valves are fitted to improve airflow. This modification does, however, reduce intake and exhaust velocities at low rpm, making the engine less responsive in stop-and-go city driving;

6. Valve stem and guide modification where special stainless steel valves featuring narrower stems are fitted to a cylinder head. Since the narrower stems block less airflow, engine output is increased; and

7. Fitting a higher lift, longer duration camshaft -- an easy and extremely desirable modification as most Volvo engines are "under-cammed".


STAGES ONE & TWO

The first (and most cost-effective) modification to be made is fitting a more aggressive camshaft. Although finding the correct cam for your car can be difficult, the Volvo Performance Handbook lists the designations for most high-performance camshafts stocked by AB Volvo. While not all Volvo dealers stock these items, registered owners of The Volvo performance Handbook can be introduced to the factory sources that are eager to meet the needs of the power-hungry!

There are a total of 8, 11, 2 and 2 available grinds for B18/20, B21/23/200/230, B5254, and B6304 engines respectively.

After fitting a performance camshaft, some recalibration of the fuel delivery system may be required. Engines fitted with Bosch LH fuel injection can, however, easily recalibrate themselves using the feedback loop provided by the Mass Airflow (MAF) and O2 sensors.


STAGE THREE

The next step is to polish the intake manifold. This can be done manually or outsourced through companies listed in The Volvo Performance Handbook. This is followed by port matching and fitting a big valve kit. Apart from selecting the correct parts and sources, this stage demands the services of a specialist equipped to conduct professional modifications. If a tuner does not have a flow bench, they are not capable of taking-on Stage Three work. Period.


STAGE FOUR

Finally, there remains the task of polishing and re-working the shape of the combustion chamber and moving to a slightly higher compression piston to preserve the correct compression ratio. This is best conducted by a professional tuner well-versed in preparing professional racing engines. There probably only one or two shops in each state or province capable of such work -- and they don't advertise in the Yellow Pages! By the time you've made it past Stages One through Three, however, you'll probably know the best local source for this kind of work.


CONCLUSION

Stage One & Two modifications can increase the power of a well-functioning engine by up to 20%. Stage Three will add another 20-25%, and Stage Four an additional 15%. Translates into the following gains:

B18/B20 ~ 180 Bhp

B21 ~ 160 Bhp

B23/230 ~ 185 Bhp

Other engines may achieve more or less, but the overall output will be dependent on how effectively the engine management systems are calibrated. OBD II cars are considerably more difficult to tune and may not react well to camshaft changes.

When it comes to cylinder head modification, one rule holds true:

Read thrice, plan twice, modify once and win forever!


The only thing i 've changed to the engine is a K&N replacement air filter.I would very much appreciate it if you could shed some light on this subject,as here in greece VOLVO isn't that much known and i wouldn't want to take the car to someone with no experience.Thank you.
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tuning 480 ES B18E

Příspěvek od CouDy »

:poc: osobně si myslím že ůpravy motorů v 480 se spíš týkaly těch s turbem...
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cendaaa
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tuning 480 ES B18E

Příspěvek od cendaaa »

CouDy píše::poc: osobně si myslím že ůpravy motorů v 480 se spíš týkaly těch s turbem...
no to jo, s turbem je to určitě jednodušší, ale turbo není :cry:
ale jak je vidět i bez turba se to da pekně vytunit
:lol:

i pořádnej vzduchovej filtr dost přidá, a co nejrovnější vejfuk (u 480 by se mi líbili dva, vedle sebe uprostřed :lol: , ale tenhle návod asi neni špatněj, jen ta realizace ...sam se do toho rozhodně poustet nebudu , to by dopadlo pekelně blbě :)
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cendaaa
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tuning 480 ES B18E

Příspěvek od cendaaa »

taky sem teda nekde cetl ze do 480 celkem pasuje nejakej renaultackej motor s 200k, ted nevim presne co to je, asi nejakej 2l s turbem, williems bo jak ?
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berzerker
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tuning 480 ES B18E

Příspěvek od berzerker »

a co takto porobit tieto upravy na turbo motore a potom sa pohrat s plniacim tlakom ???
B18FT motor som videl za 14,5 tis czk tis na inzerat:

Kód: Vybrat vše

http://auto.bazos.sk/inzerat/541056/Volvo.php
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tuning 480 ES B18E

Příspěvek od Stalin »

cendaaa píše:taky sem teda nekde cetl ze do 480 celkem pasuje nejakej renaultackej motor s 200k, ted nevim presne co to je, asi nejakej 2l s turbem, williems bo jak ?
Wiliams ma 150 koni a je bez turba mam jeden v merku
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cendaaa
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tuning 480 ES B18E

Příspěvek od cendaaa »

berzerker píše:a co takto porobit tieto upravy na turbo motore a potom sa pohrat s plniacim tlakom ???
B18FT motor som videl za 14,5 tis czk tis na inzerat:

Kód: Vybrat vše

http://auto.bazos.sk/inzerat/541056/Volvo.php
nojo, ale jak poznat jestli je ten motor ok, za 14,5 tisic mi to pride dost drahy, kdyz se cely auto da koupit za 20 :lol:
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