Reply to thread

See what others are reading now! Try Forums > Current Activity

Message: <blockquote data-quote="J101" data-source="post: 1142095" data-attributes="member: 15660">today's weather is really on sleepy-mode :)i'll try to explain in layman's version as possible since im no sifu. well normally the results of porting the combustion chambers are so the valves are "unshrouded" . you can find this mechanical meaning on the web. this again can improve flow, increase the combustion chamber volume and lower the compression ratio. when the pistion is at its closest approach, the splashing action on the flat portions force a turbulent jet of mixture into the combustion chamber. usually the better mixture burns more efficiently and is more resistant to detonation. the piston should approach as close as practical in order to maximize this effect, but clearance is needed to allow for piston motion rock, thermal expansion, etc. the compression ratio can get too high unless the combustion chamber is made large enough. more volume can be made by cutting large valve relief pockets in the top of the pistons. In order to keep the compression ratio down.probably other sifus wanna share their views as im all ears.</blockquote>

Verification

The Marketplace Latest

original rare Rays Volk Racing CE28 17x8jj offset...
- Started by david tao
- Chassis and Wheels
Evasive EVS Tuning Carbon Body Kit Honda Civic Type...
- Started by aycy
- Exterior and Body
Mugen MS-C Full Bucket Seat Civic Type R FL5 FK8
- Started by aycy
- Engine and Performance
Boost Logic Boostlogic Oil Cooler Kit R35 GTR GTR35
- Started by aycy
- Engine and Performance
Linney IHI 800WHP Turbo Kit R35 GTR35 GTR
- Started by aycy
- Engine and Performance
Varis R35 GTR GTR35 Front Bumper
- Started by aycy
- Exterior and Body
HKS Spec R Titanium Exhaust with Y pipe R35 GTR GTR35
- Started by aycy
- Engine and Performance
2016 BMW 120i LCI M Sport F20 1.6 Auto
- Started by aycy
- Cars for sale
GR Yaris H&R Front Rear Anti Roll Bar
- Started by aycy
- Chassis and Wheels
BBS RI-A 10J God Spec FK8 FL5 Honda Civic Type R...
- Started by aycy
- Chassis and Wheels

Posts refresh every 5 minutes

Merry Xmas and Happy New Year!

To all skyliners,

Merry Xmas and Happy New Year! :driver:

TOM'S VIOLENT RIMS wit GOODYEAR EAGLE F1 TIRES FOR SALE !

RIM MODEL : ORIGINAL TOM'S VIOLENT
LUGS : 05 LUGS
PCD : 114.3
OFFSET : +45
SIZE : 17x7jj
COLOR : METALLIC BRONZE
RIM CONDITION : USED but EXCELLENT LIKE NEW (SELDOM DRIVE)

TIRE MODEL : GOODYEAR...

IHI VF10 vs Mitsu TD04

Any turbo sifus wanna comment on this? SDF perhaps?

Not for the sake of starting a flamewar, but just interested in some facts.