[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Installed new parts, car runs like shit
I just wanted to say thanks for your input to the list.I always find it
helpful and to the point, unbiased even.
At 06:23 PM 9/5/97 -0600, Gary Morrell wrote:
>On Sep 5, 17:10, Carl Morris wrote:
>> Subject: Re: Installed new parts, car runs like shit
>> Pretty wild, I've never heard of anyone with data that consistent.
>> Even when I try to get data at the strip, I have a tough time because
>> my motor's performance changes drastically depending on engine
>> temperature and ambient temperature. I don't think the 5.0's are
>> as sensitive to temperature as my SVO is.
>Intercoolers will do this. My brother road races a '93 RX7 TT, the first
>banzi, but once the intercooler gets warm, the performance falls off
>> Speaking of which, I don't know what to conclude about my stock
>> vs Tbird intercooler testing. I didn't seem to gain anything,
>> even when compared to previous nights results at the exact same
>> temperature and 60' time.
>Eight or nine years ago, I had a conversation with one of SVO's engine
>designers (Tom Hutchison I believe...) and asked him why SVO hadn't done an
>intercooler in front of the radiator. He said they tried it, but the pumping
>losses due to the extra plumbing undid any gains from the cooler charge. My
>fluid mechanics isn't all that current, but I recall that given constant
>diameter, smooth wall pipe, each 90 degree bend is the equivalent of several
>feet of straight pipe. That means the T-Bird intercooler setup adds many feet
>of pipe between the turbo and the throttle body.
>The SVO intercooler may not be in the best location thermally, but its
>optimally placed for fluid flow.
>I've run across some SAE papers about this sort of thing, I'll try to locate