larger throttle body for AP2
12-07-2018, 06:57 AM
#11
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Thread Starter
Thank you everyone for that input. Much appreciated.
12-07-2018, 09:45 AM
#12
You're gonna need a way to tune the larger throttle body anyway. A Gernby FlashPro road tune (a known, competent tuner) will provide startling midrange power and acceleration. This is done on the open road in your car, not a canned tune. Requires a high flow cat to get a 3600 rpm VTEC engagement that is simply wonderful.
Best money I spent on my '06.
-- Chuck
Best money I spent on my '06.
-- Chuck
12-07-2018, 12:10 PM
#13
Pretty sure he has a Berk HFC, as do I. I had Berk make the inlet on mine 63mm and outlet 70mm to match my header outlet & catback inlet. My VTEC engagement is set to 3400rpm after tuning. Which HFC did you try (brand, sizing, other mods)?
12-07-2018, 01:00 PM
#14
Mine is the Berk 63.5mm cat. VTEC is set at 3600 via a Gernby FlashPro road tune. 93 octane (if that makes any difference). About 1100' ASL (above sea level). Tanabe Medalion Touring exhaust is a nominal 60mm.
-- Chuck
-- Chuck
12-07-2018, 02:37 PM
#15
I went with the SOS Slightly larger TB. Makes the throttle body match up perfectly to the slightly larger 04 intake manifold. It has a taper design, flat screws and thinner sleeker billet throttle body machined exactly so it wont 'stick' like ive heard other TB's do. I havnt installed it yet but will give a review when i do. I'm going to pair it with a thermal TB gasket and thermal intake manifold gasket aswell. It was this or 70mm bored intake mani with 70mm TB which would give best top end performance but i went with something that will actually enhance throttle tip im and drivability. For top end i plan to shove many psi's of forced air from a big turbo anyway
Last edited by F1TwoThousand; 12-07-2018 at 02:40 PM.
12-07-2018, 02:58 PM
#16
^^^ 00-05 manifold openings are identical at 62.5mm. You still want to bore out the opening 1.5mm to get a true 64mm port match up an realize the full flow benefits of that TB. I run the SOS one as well, for the added benefits of its improved seals for spraying water/meth.
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F1TwoThousand (12-07-2018)
12-07-2018, 03:10 PM
#17
^^^ 00-05 manifold openings are identical at 62.5mm. You still want to bore out the opening 1.5mm to get a true 64mm port match up an realize the full flow benefits of that TB. I run the SOS one as well, for the added benefits of its improved seals for spraying water/meth.
12-07-2018, 05:53 PM
#18
12-10-2018, 11:55 AM
#19
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