whats a good aftermarket ls cam
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Stock pistons/compression? What intake manifold? What header?
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- Induction Performance
* IP E-Mail
* IP Face Book
* IP Web-Site
* RIP Kevin/Slo_Si RIP & Pablo/Fathead
love hondas ftw
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crower
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|.....i stole the sig ................| ||
|.....from egypt boi...............||'|";,___.
|_..._...____________======||_|_|...,]
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Team 'Petersburg Puller
Joined: Apr 2006
Posts: 1,203
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Static CR & Intake Cam Duration Relationship - Team Integra
more info from team-integra @ Engine Package : Swapping Parts For Power - Team Integra:
Camshaft Choice: With the piston geometry described in 1. , B18 engines like Long Duration, Big Overlap Cams because we need more scavenging and time to fill the chamber, especially at high rpms .
eg. of high overlap cams :
- for the B18A/B Crower 62403 or 62404.
- for B18C Toda Spec B, Jun Type 3, Skunk2 Stage 2, Crower 63403, Zex 57300.
The exception to this rule is when we add nitrous, a turbocharger, or a supercharger. Intermediate overlap, short duration cams are chosen to prevent the boost from shooting into the exhaust manifold with a long cam overlap.
eg. intermediate overlap short duration cams for forced induction:
for B18A/B - Crower 62402/62403, Crane 101-0014 turbo cams
for B18C - Toda Spec A, Jun Type 2, Crower 63402/63402A, Zex/Compcams 57100 or 57200, Crane roller 253-0510 cams with roller rockers.
However, with more intake cam duration there is a greater chance of cylinder pressure being lost out of the opening intake valve. We lose dynamic compression . Along with High Piston Speeds Away From TDC, big overlap cams will reduce cylinder pressures and prevent efficient burning or combustion of the air fuel mix.
more info from team-integra @ Engine Package : Swapping Parts For Power - Team Integra:
Camshaft Choice: With the piston geometry described in 1. , B18 engines like Long Duration, Big Overlap Cams because we need more scavenging and time to fill the chamber, especially at high rpms .
eg. of high overlap cams :
- for the B18A/B Crower 62403 or 62404.
- for B18C Toda Spec B, Jun Type 3, Skunk2 Stage 2, Crower 63403, Zex 57300.
The exception to this rule is when we add nitrous, a turbocharger, or a supercharger. Intermediate overlap, short duration cams are chosen to prevent the boost from shooting into the exhaust manifold with a long cam overlap.
eg. intermediate overlap short duration cams for forced induction:
for B18A/B - Crower 62402/62403, Crane 101-0014 turbo cams
for B18C - Toda Spec A, Jun Type 2, Crower 63402/63402A, Zex/Compcams 57100 or 57200, Crane roller 253-0510 cams with roller rockers.
However, with more intake cam duration there is a greater chance of cylinder pressure being lost out of the opening intake valve. We lose dynamic compression . Along with High Piston Speeds Away From TDC, big overlap cams will reduce cylinder pressures and prevent efficient burning or combustion of the air fuel mix.
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Originally Posted by P057
"Wow I had a hard time understanding that... but from what I gather you found an open-box item that wasn't cheaper. You bought it anyways. You then called someone a dumbass while making fun of their misfortune of losing a job as you were leaving the store?
I'm surprised you were able to get out the store with that big "SUCKER" sign affixed to your back. "
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www.floridasportsman.com
Originally Posted by P057
"Wow I had a hard time understanding that... but from what I gather you found an open-box item that wasn't cheaper. You bought it anyways. You then called someone a dumbass while making fun of their misfortune of losing a job as you were leaving the store?
I'm surprised you were able to get out the store with that big "SUCKER" sign affixed to your back. "
Registered User
Joined: Apr 2007
Posts: 86
Likes: 0
Static CR & Intake Cam Duration Relationship - Team Integra
more info from team-integra @ Engine Package : Swapping Parts For Power - Team Integra:
Camshaft Choice: With the piston geometry described in 1. , B18 engines like Long Duration, Big Overlap Cams because we need more scavenging and time to fill the chamber, especially at high rpms .
eg. of high overlap cams :
- for the B18A/B Crower 62403 or 62404.
- for B18C Toda Spec B, Jun Type 3, Skunk2 Stage 2, Crower 63403, Zex 57300.
The exception to this rule is when we add nitrous, a turbocharger, or a supercharger. Intermediate overlap, short duration cams are chosen to prevent the boost from shooting into the exhaust manifold with a long cam overlap.
eg. intermediate overlap short duration cams for forced induction:
for B18A/B - Crower 62402/62403, Crane 101-0014 turbo cams
for B18C - Toda Spec A, Jun Type 2, Crower 63402/63402A, Zex/Compcams 57100 or 57200, Crane roller 253-0510 cams with roller rockers.
However, with more intake cam duration there is a greater chance of cylinder pressure being lost out of the opening intake valve. We lose dynamic compression . Along with High Piston Speeds Away From TDC, big overlap cams will reduce cylinder pressures and prevent efficient burning or combustion of the air fuel mix.
more info from team-integra @ Engine Package : Swapping Parts For Power - Team Integra:
Camshaft Choice: With the piston geometry described in 1. , B18 engines like Long Duration, Big Overlap Cams because we need more scavenging and time to fill the chamber, especially at high rpms .
eg. of high overlap cams :
- for the B18A/B Crower 62403 or 62404.
- for B18C Toda Spec B, Jun Type 3, Skunk2 Stage 2, Crower 63403, Zex 57300.
The exception to this rule is when we add nitrous, a turbocharger, or a supercharger. Intermediate overlap, short duration cams are chosen to prevent the boost from shooting into the exhaust manifold with a long cam overlap.
eg. intermediate overlap short duration cams for forced induction:
for B18A/B - Crower 62402/62403, Crane 101-0014 turbo cams
for B18C - Toda Spec A, Jun Type 2, Crower 63402/63402A, Zex/Compcams 57100 or 57200, Crane roller 253-0510 cams with roller rockers.
However, with more intake cam duration there is a greater chance of cylinder pressure being lost out of the opening intake valve. We lose dynamic compression . Along with High Piston Speeds Away From TDC, big overlap cams will reduce cylinder pressures and prevent efficient burning or combustion of the air fuel mix.
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