Originally Posted by dubcac
A few points:
Identical bottom ends, the B16 head was ported by portflow, had springs/retainers, ITR manifold, and a CTR intake cam/ITR exhaust cam. GSR head was stock, with ITR cams. The GSR head made 7whp and 4wtq over the B16 head, which utilized a higher flowing manifold, more aggressive intake cam, and a port job. If you want to maintain that the B16 head is better, that's fine...but you're wrong. I bet that guarantee isn't looking so hot on your part right now is it. I would trust one of the best engine builders and tuners on the entire west coast over some douches at SHO any day of the week. Do you even know why the ITR uses the PR4/B16 head? The GSR got the new technology honda developed, but they used the PR4 head on the ITR because they were overstocked of head castings at the factory, and they wanted to get rid of them. So take that for what you want. You can't dispute or debate numbers like that, I don't care what you've seen. I have never ever seen a b16 head make more power than a GSR on the same motor...on a B16, GSR, LSVTEC or CRVTEC.
.
Youre going to tell me that a stock GSR head made more power than a B16 with work done to it? Try another one.
Originally Posted by dubcac
2. In your first post, you said that he should use OEM VTEC internals in the block, instead of going forged. That makes your LSVTEC build completely pointless. Swapping in VTEC internals into an LS block means that you'll have the VTEC stroke, which is no different than the original VTEC motor...meaning you're not getting the added displacement and torque. If you want to rev an LS bottom end to 8k, all you need is ARP rod bolts. Higher than that, go aftermarket. I've even seen stock LS motors hold 8k and boost, but it's a hit or miss situation.
.
Keeping the LS rods (preferable forged since these are weakpoints of the LS motor) and using VTEC pistons would keep the same stroke, while using pistons that were designed to handle the higher redline. Like you said, its hit or miss. VTEC pistons are more suitable for such applications if Forged internals are not in the budget.
Originally Posted by dubcac
3. VAFC's suck, whether its the first or second gen...it's not a tuning solution.
.
I agree, no doubt. However (once again), budget is what drives my argument behind the VAFC. Its cheap, and it does a half decent job at tuning. If in the budget, a better option would be to convert to OBD1 and run Hondata. However in some states (in PA for example) you cannot convert a newer chassis to an older computer setup. My Integra came OBD2, and for it to pass inspection, it has to stay OBD2.