The B20VTEC discussion thread

[stndrd]

Rocket Motorsports M22KE or M24XX are a good option for a highish comp B20

[.Dave]

Any reccommendations on pistons and rods? or for a basic build are standard pistons and cams also useable (will be tracked once or twice a year, but a lot of daily driving).

Is anyone here or all asleep?

[cbauto]

2.0L
* * * * * 96-02 CRV
Stock Bore: 3.307, 84mm***Stroke: 3.504***Rod Length: 5.394***Gasket: .028***Deck: .005
Bore Comp. Dome Compression w/head cc Gram Part Included
in/mm Height CC LS 45.0cc | B16A 42.7cc | GSR 41.6cc *Wt. Number Ring Set
Dome top * * * * * All motor
3.386 / 86.00 1.180 7.4 13.2 | 13.9 | 14.2 322 3330800 1012283386

14.2:1

Yolo


Use stock rods with arp bolts.

[Vvvtec]

Abos moved onto the k20 thread nowadays

[Miniman_Alis]

Hey guys.

I've built a b20
84mm rs machine pistons
P72 head
brian crower stage2 na cams
double valve springs
1mm os valves
With 421 headers 2.25" exhaust
and dual runner maifold 3" intake it made 165whp
I swapped to tri y headers 2.5" exhaust and skunk2 manifold whale penis intake and it made 171whp but made less hp up to about 7k an the extra 7hp abouve 7k to 8600 =(

I've just ported the p72 intake manifold for a 68mm tb and going to swap it.

Was wondering if there is a better cam to better suit my engine.

[cbauto]

Hey guys.

I've built a b20
84mm rs machine pistons
P72 head
brian crower stage2 na cams
double valve springs
1mm os valves
With 421 headers 2.25" exhaust
and dual runner maifold 3" intake it made 165whp
I swapped to tri y headers 2.5" exhaust and skunk2 manifold whale penis intake and it made 171whp but made less hp up to about 7k an the extra 7hp abouve 7k to 8600 =(

I've just ported the p72 intake manifold for a 68mm tb and going to swap it.

Was wondering if there is a better cam to better suit my engine.

Whats compression?

[Miniman_Alis]

Should be 12:1. Actual compression was 195psi across all 4

[Super-DA9]

Should be 12:1. Actual compression was 195psi across all 4

was that cold or hot compression? Also where did you have it tuned just out of curiosity?

[Miniman_Alis]

Umm I dont remember.. probably cold and dry.

P28 S300 v2 ecu tuned by Rob Novak at my old work, CPWS in jimboomba. He does tuning 999 and definition? Motorsport as well.

[Miniman_Alis]

So do you guys think all these numbers are half decent? Would a different set of cams give me some better gains?

[Super-DA9]

So do you guys think all these numbers are half decent? Would a different set of cams give me some better gains?

Hmm tbh I would have thought those cams would be sufficient. By P72 manifold you mean vtir dual runner yeah?

Maybe consider swapping it out for a single runner IM to reduce restriction. Ask your tuner to play around with the cam timing if it has adjustable gears. Getting the timing right can make a massive difference with some cam applications.

[cbauto]

Hmm tbh I would have thought those cams would be sufficient. By P72 manifold you mean vtir dual runner yeah?

Maybe consider swapping it out for a single runner IM to reduce restriction. Ask your tuner to play around with the cam timing if it has adjustable gears. Getting the timing right can make a massive difference with some cam applications.

He said he got junk2 mani already