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Old 09-06-2004, 08:21 PM   #1
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Port and polish.....Worth it?

YES and then some! Ok, over the week I have been on a mission to get some things done. One was a port-and-polish and gasket match of the manifolds. Well the SPI head I have was for a 97 Escort. It looks identical to our head except it doesn't have the motor mount holes. Needless to say I couldn't use it. So I bought a P&P kit at Jegs for $42. It is a nice kit and works very well. I ported the head, gutted the IMRC butterflies and rod, opened up the runners, and gasket matched the intakes and head. I installed ARP head studs and got everything tightened up. The idle is a little rough from the Pro-Flow 70mm MAF, but tolerable. I've been taking it easy until the new headgasket gets a little mileage on it, but sometimes you can't hold back and you gotta mash the gas. I tell you it's like a different car! I also degreed the cam and crank, but in my case it was a perfect match to the dot on the head for the cam and the 9th point on the crank. So in a few days I'm gonna retorque the headgasket and really romp on it. As of right no my initial impression is that I have a MUCH deeper exhaust tone, better throttle response, and plenty of go. I may advance the timing a degree or two, but I want to wait and see forst. The ECU was reset and I'm sure it's still learning.

Jim

Just so you know, it didn't take me a week to do this work. I did many other things like added an oil cooler, valve job, painted interior parts and the wheels, installed a boost gauge (soon folks!!), detailed the engine bay, and tapped the oil feed for the (soon) turbo. I also worked 55 hrs at my job.

Yes, I'd like a cookie now......


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Old 09-06-2004, 08:57 PM   #2
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How much do you charge????


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Old 09-07-2004, 06:29 AM   #3
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Damn that sounds like a lot of work. I guess that if know what you are doing it probaly isn't as rough as it sounds. A P&P would make my motor fill new again (60700 miles).
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Old 09-07-2004, 04:48 PM   #4
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I think the combo of the port and polish with the 3 way valve job is what helped the most. Yes, it was a project but I learned a-lot and it still runs (<----Most important part). Im now able to make full use of the cam, chip, and intake. There's a huge pile of aluminum on the floor of the shop by the vise. I should sweep it up and take a pic.

Jim
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Old 09-08-2004, 11:49 AM   #5
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I would love to see that , do U also have a close up pic of the P&P ?
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Old 09-10-2004, 03:43 PM   #6
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a dyno would be nice. thats cool that it feels better.

ive heard that the pro m maf are kind of hit or miss, every think about tryin to get them to send a new one to see if it helps the idle?
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Old 09-10-2004, 04:35 PM   #7
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I threw on the Pro-Flow (or Pro-M..same company) just for fun. They are hard to tune and idle like poop. I can live with that for now. I just got a HUGE MAF from a Lightning, but it needs calibrated. If you go with an SCT chip and a big MAF, Randy requests that you use a Ford product, preferably an SVT MAF. He has the maps for them and since it's a Ford part it will be easier to tune.

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Old 09-10-2004, 04:44 PM   #8
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yeah i know how randy is about the Pro M stuff. are you planning on a dyno? ive always wondered how an spi can do with some stuff done.

my gf has an spi auto. its a dog, especially on the highway. but hers is stock too, and sounds like its choked to all hell as far as airflow goes.
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Old 09-11-2004, 10:25 PM   #9
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Someday soon a dyno test is warranted. I took it to western Michigan today and she was flawless during the trip. I want to adjust the cam a bit as the power is coming on later than I'd like. Last night at the track I ran a 16.754. 60' times bit, but after that it was pushing me back in the seat. I ran 1 full second faster, and 8 mph faster too. I think a cam gear adjust and go to a Ford MAF will put me where I want to be.

BTW: Turbo manifold is done and mated with the turbo. Downpipe is welded and test-fitted. A couple of weeks at the latest and it should be a SPI-T.

Jim
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Old 09-23-2004, 03:14 PM   #10
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