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post #1 of (permalink) Old 05-29-2002, 10:53 PM
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polishing head.......a lil help

hey guys well I am getting around to polishing my head only thing is I still need to take if off the block (any pointers here!) anywho i plan to take it to a shop and get it ported and polished. how hard is it to put 1.6 exhaust valves in there??
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post #2 of (permalink) Old 05-30-2002, 01:13 AM
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Re: polishing head.......a lil help

BTT
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Re: polishing head.......a lil help

AAPA, SUMO II HEAD, 450. SAVE FER A WHILE [img]images/icons/laugh.gif[/img]
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post #4 of (permalink) Old 05-30-2002, 11:37 AM
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Re: polishing head.......a lil help

If all else fails I will just slam a 1.6 8V head but I am on a tight budget right now trying to work through it so I really need to go as cheap as possible
post #5 of (permalink) Old 05-30-2002, 02:50 PM
 
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Re: polishing head.......a lil help

Dremel Tool.. do it yerself.
forget about polishing, just do the porting.
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post #6 of (permalink) Old 05-30-2002, 03:47 PM
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Re: polishing head.......a lil help

what do you do to port it.........is this pretty hard I am not that new but I have not really done that much Head work!
post #7 of (permalink) Old 05-30-2002, 07:13 PM
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Re: polishing head.......a lil help

If you have never ported cylinder heads before , I'd let someone else do it that has some experience . If it's not done correctly , you may end up with less flow than you started with . Also, ported heads should be run as a package , with intake, carb or efi , and exhaust all done to match . Otherwise, it's a total waste of time...
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post #8 of (permalink) Old 05-30-2002, 07:31 PM
 
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Re: polishing head.......a lil help

studly,
there is more to installing 1.6 exhaust valves in a 1300 8v head than simply pulling out the old and slapping in the new oversized ones. i was gonna do this too but it would have been more work than than i wanted to do and i may not have been capable of doing it by myself either as it is not real easy.

also, don't be surprised if the shop charges an arm and a left nut for the work you want done. dave's prices are actually cheeper than what 99% of shops will charge.

it was honest to god cheaper for me to buy a complete "head set" from asian auto than it was to buy just the valve stem seals (which are part of dave's kit) locally.
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post #9 of (permalink) Old 05-30-2002, 08:37 PM
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Re: polishing head.......a lil help

ya it does seem like a lot of work but cant you bolt up a 1.6 8 valve head
post #10 of (permalink) Old 05-30-2002, 09:18 PM
 
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Re: polishing head.......a lil help

Its very easy to mess up a head if you have never ported before. Unless you know the thickness of the casting your working with, you can get thin, and create hot spots, or actually go thru the material your working with and create water leaks or worse. Just trying to open a port up larger can cause your air/fuel mixture to slow, or stall, and actually hurt your flow.

I would either have a competent head shop do a performance valve job on the head, or order that head from aapa that has already had the work done for you. IVe done a lot of port work, and you will definitely ruin a few heads learning what works and what doesn't.

Jim
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