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Originally Posted by SUBARMAN
Interesting point about the TD04! The biggest joy after my recent remap was that the boost now comes in at just above 3k rather than at 3.4k. May not seem like much but reminds me much more of my old TD04. The rest of the power improvement is above 5k and I am going way too fast by then to have the opportunity to enjoy it every day.
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Cosworth realised this along time ago, when they released the escort cosworth with 2 turbo variants and the 'Upgrade' variant at the time had a smaller turbo to help spool and road driving drivability. Scott being a complete ex-nutter RS fan in his day probably has an artical about it somewhere.
Even Audi and BMW seem to be spending massive amounts on development to avoid the dreaded lag and opting largely for cubic capacity. And even the 335 BMW has a twin turbo set up to keep it spooling very low in the rev range.
For me, the best scoob or any turbo car for that matter I have ever had or likely to have in terms of real world driver fun and power was my classic with a 2.5ltr and 20g turbo, with top mount, running circa 380/380. It had a great balance of power, torque, agility, & turbo spool. Most of us private punters plowing loads of dosh into our modded scoobs realised this along time ago. And subaru finally followed suit with the hawkeye 2.5STI. Today you can go buy a Hawkeye STI for circa 12K, remap it to 380/380 and job done, and a very nice car taboo.
