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    Th400 conversion e-prom changes?

    Converted my car to a 400 over the winter. Everything is done and ready to drive. However... first and second gear are a slightly different ratio than the 200 that was in it. And I'm still using an eprom, one of Eric's chips. The pts extreme that was in it had no electronics and I relied solely...
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    Drive line opinions and info welcome

    After spending quite a bit of money on as much lightweight rotating Parts I could buy, I have a dilemma. Towards the end of the summer I hurt my 200, and this next year the car will be seeing a lot more track time so..... I decided to go 400 over the winter. I have a really nice next to New...
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    Governor mod

    Where is the ideal area to remove material from the small weight on the governor? Have read people drilling holes, and grinding material away, haven't seen any pics, if anyone has some I'd love to see. Thanks in advance.
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    Valve spring for 218/222, flat tappet?

    Cam's broke in, got about 500 miles on it now with the soft springs. Looking for a good spring to utilize the rpm range. This is on ported iron's. Thanks
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    Boost backfire rough idle

    Another backfire thread..... Ive been reading this forum all summer trying to learn and figure this ol girl out. Little history. This motor has about eight hundred miles on it, and the car sat for 3years. So.... I installed a new gas tank and aeromotive 340 with a hotwire and fuel filter. Sent...
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    Tap test work on Lt1 maf?

    Will the ol tap test work on late model maf's like the Lt1? Also what's the opinion on clocking an Lt1 maf?(plug location)
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    mystery cam

    Done some hunting on the ol inteweb, can't find anything on this cam except a guy in 08 on this forum asking the same question. Its etched HY6052-10 and J1943 any ideas? Mabey from the old school guys? This cam was in my car when I bought it in 2000.
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    low vacuum?

    Dealing with a couple issues, so I guess I'll start at idle and work my way up. Pulling 10/12" of vacuum at idle(900) on a reliable gauge. The vacuum does hunt around a little. Checked for vacuum leaks with brake cleaner, none. Pulled the valve covers after I warmed it up and everything looks...
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