i'm looking at two cams from crower right now, a stage 2 and stage 3, anyway the stage 2 suggests 9.5:1 and the stages 3 suggest 9.5-10.5:1. so i figure if a plan for 9.5 i'll be covered either way. what i want to know is if there is a easy way to get 9.5:1 cr. i have a 3.4 iron head from a 95 camaro. the engine is being rebuilt and bored .030over, so if it's a matter of different pistons or something that would be awesome, i need some new ones anyway. i will be using a ported fiero intake if that matters, thanks
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easiest/cheapest way to get 9.5:1 cr
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Use the Sealed Power/Federal Mogul 3.4 DOHC hypereutectic pistons. They are reasonably priced, are a direct fit, and should put you right around 9.5-9.6:1.
Marty'99 Z-28 - Weekend Driver
'98 Dodge Neon - Winter Beater
'84 X-11 - Time and Money Pit
'88 Fiero Formula - Bone stock for now
Quote of the week:Originally posted by AaronThis is why I don't build crappy headers. I'm not sure, I don't know too much about welding.
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I think Summit carries them. Try searching on here for pistons. There was another thread discussing the two different part numbers, and pricing.
Marty'99 Z-28 - Weekend Driver
'98 Dodge Neon - Winter Beater
'84 X-11 - Time and Money Pit
'88 Fiero Formula - Bone stock for now
Quote of the week:Originally posted by AaronThis is why I don't build crappy headers. I'm not sure, I don't know too much about welding.
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yeah they are . i've gone "wheel shopping" every year since i bought the car, and every year i spent the money on something else, like school lol. they are pretty much the same but the offset is a little different i think, the fiero rims have a slightly deeper "lip". i polished them up last year, so they actually look pretty decent, just too small for wheel wells in my opinion.
before(actually used my winter beater rims just in case)
after:
on the car:
this was the first time around, i've spent a little more time and gotten them a little more shiny since. still saving for some nice 16/17's though
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yeah sure, wow we got off topic. but here's what i did
started off by just cleaning them, to see where i'm at. the stock ones have a machined finish, so if you want to restore them do not do what i did, i sanded off the machined finish and then polished them.
start with 80 grit until the wheel feels flat
then start working your way up through 120, 200, 300, 400, 600, 800, 1000, 1500, 2000. now i've been told you don't need that many steps and i believe it. but i tend to get lazy and if i don't make myself do that many steps i wont sand enough on each grit to make it work. my first wheel i had to do twice cause once i got to the polishing there were still scratches in the wheel.
so anyway after that i used some cotton rags and meguiars wheel polish, and then some autosol metal polish. i have to polish them up every couple of weeks to make them look perfect, i could clearcoat them, but they aren't as shiny that way.
now if you just want to restore them, get some clearcoat stripper, and steel wool to remove the old clearcoat, give them a good wash, and re-clear them.
oh, and i did that all by hand, so if you have a power sander or something like that you might want to start at like 200grit, just so you don't have to worry about the deeper scratches you get with 80grit.
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I figured you did them by hand that is the good thing.
I have the exact same rims, but might be different in size, and offset.
I think that doing them by hand gives them that unique professional look not just any aftermarket job which tends to be that satin or suposed high polish grade. I have alway been a fan of polished aluminum since the finish can be maintained.
Who cares about minor scratches most aftermarkets will get scuffed anyway after the first maintenance job.I am back
Mechanical/Service Technican
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well i think if you did the sanding with a power sander and then polished by hand it would look about the same, but wouldn't take about 10hrs a wheel.
i really like the way they turned out, but now my dilemma is do i leave them as is, or do i polish my "good" rims that don't have any scuffs and dents in them. the dents just show up THAT much more when they are polished.
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