Thursday, January 08, 2015 - 04:30 pm, by: Blake Gloyn(Blakenz)
yes , cams are stock. the dyno graph does not fall away as much as most stock cammed 1jzgte motors. Ive seen 1jz motors lose 70 rwkW from peak power to 7000rpm, with stock cams.
Thursday, January 08, 2015 - 06:35 pm, by: Kurt Atzmuller(Kurt)
I really doubt that Ali, all this pipework really brings them on sooo much earlier. I wouldn't be supprised if ct20s + all these pipes would spool similar to stock ct12s with all the crappy pipe work. They feel so much better when you shift peak torque 1000+ rpm earlier in the revs.
Friday, January 09, 2015 - 04:24 am, by: Blake Gloyn(Blakenz)
totally agree with you Kurt. what the dynographs don't show, is how quickly the engine gets to certain rev and boost levels. On the open road, cruising at full vacuum, on the stock ECU, on pump gas, you could plant boot, and start counting. "one thousand and…" boom! you are hitting the 14psi boost cut. Less than a second.
Friday, January 09, 2015 - 05:43 am, by: Kurt Atzmuller(Kurt)
Yeah that's the response i was getting with fatty dump, but probably not as good as your setups response i bet.
Doesn't look responsive on the dyno graph as your 3500 stall converter is robbing power at low revs but that's how You want them on the strip.
My peak torque was at 2800rpm so Blakes would have been around those revs or perhaps even earlier. So without a high stall in there his torque may have been another 100nm higher maybe.
With response this good you can easily go up a turbo size for more midrange and top end. As ct20s are only roughly 15% larger give or take, they would be perfect.
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