What is the ideal way to enhance HP?
Ive already carried out pretty a lot all the cheaper things to enhance Hp like cat-back exhaust system, cold air ingestion, header, lowering springs,struts and rims and tires. I’m seeking to significantly enhance the Hp now. I am thinking either camshafts, nitrous, or H sequence motor. It really is a 1995 Honda Accord EX with an F22B1 VTEC motor. How a lot HP can i anticipate to achieve from every and about how considerably will it price?
Answer by Jonny Mick
the first rule of motor developing & racing is that you Want to be ready to tune it.
get a chip tuner & five chips here for $ a hundred and ten delivered complete (youll need to discover what parameters you’ll require to tweak, but this just will take a couple of weeks to get it down well).
once you have that, get a metal headgasket for it of the thinnest you can discover (make sure its metallic though) this will be essential & will stop problems down the road as well as increase compression ratio somewhat, which CR makes ALL the big difference in electrical power.
now get the head off, & portmatch/flippantly port the consumption & exhaust ports & where they mate up to on the header & ingestion manifold-from the factory these ports & the place they mate up to (as effectively as the gaskets in among) arent at all lined up correctly & have TONS of flaws- repairing these flaws & generating it a smooth & consistant slide from intake manifold-to consumption port-to exhaust port-& to the header, this tends to make a Large difference & is identified as port matching).
appear up “port shrouding”, & get a seem at the valve confront of your head (the element exactly where the piston arrives shut to smacking when it comes up), the area close to the valve needs to be a clean open up slide & not a restricted squeeze, this squeeze is known as “port shrouding” and a mild porting occupation can unshroud the valves & open up place for a whole lot more electrical power/efficiency.
as soon as every thing is smooth, go back again & quite evenly rough up the intake ports so that the area feels comparable to the aspect of a two liter of pop’s cap (exactly where your fingers grip), this is essential ONLY on the consumption ports & ONLY on the ports on their own, because you dont want any roughing more up the line than the fuel injector sprays (the slight roughness mixes gas/air collectively better, resulting in greater fuel mileage & electricity). following all of this is done make certain you lap the valves just before resintalling them-so that they seal really effectively.
get a larger/correctly sized throttlebody (you can only things so a lot air through a particular sized gap, growing this gap size will boost your prime conclude potential-but do NOT go overboard or its actually a little bit worse than going below.
ditch the chilly air intake & go for a tube that has an inside diameter that matches the inside diameter of your new throttlebody, & make sure it is a straight tube eight-eighteen” from the throttlebody to the Manifold Air Strain sensor (MAP sensor), then 8″ from the MAP sensor to a cone air filter.
what this does is significantly increase air velocity which is essential to generating electricity. the dilemma with chilly air intakes is that they consist of sharp turns to get to the cold air, & this counterracts seventy five% of the great that cooler/denser air can do, because they slow down that cold air & dont ship it in at substantial pace.
believe of it this way, if you want to push 100mph down the highway & you hit a sharp 90 degree angle, you have to slow down, this is the very same for the air coming into & leaving your motor. now flip that ninety into a more time-gradual angle, then the air doesnt have to flip sharply & slow down.
reassemble with all of the things i just advised you to do, use NEW head bolts/studs, find out to tune it correctly-& your engine will be Intense (dont feel that just because its a four cylinder that means it cant be rediculously indicate, Endyn obtained 353hp out of a NON boosted two.0L honda 4 cylinder on quality pump gas, altho that was at ten,two hundred rpm & 13.four:one CR while yours will in no way go previously mentioned 11.six:one CR & 7,600 rpms, meaning you could make up to 250hp max.
The hell? Honda CR-V next to my car modified the emblem to CR-seven.. Why trouble.