View Full Version : front coil ?'s
68rs406 Dec 7th, 05, 11:14 PM looking into re doing the front end on the camaro this winter, and was curious what coils you guys have used, and ride heights.
i'm especially curious about info from guys that have used the 6 cylinder springs, i believe moog 6308? i drag race the car so i don't want a canyon carver spring, but would like to lower the front end a bit.
any info would be much appreciated, thanks:beers:
davidpozzi Dec 8th, 05, 12:57 AM the 6308 is a hd 6 cyl spring, however it is stiffer than the stock V8 springs.
stock=327 lbs/in
6308=380 lbs/in.
380 isn't all that stiff, it's equal to a stock Z/28 coil, so very streetable. I wouldn't consider it a handling spring, but it wouldn't be bad with some larger sway bars, if you don't want to canyon carve or autocross.
fiveforty Dec 8th, 05, 01:47 AM What about the Moroso coil springs.
68rs406 Dec 8th, 05, 04:35 PM thanks guys. david, do you have any specs on ride height of the 6308 vs a factory (35 year old) spring? new vs new, would the 6308 be shorter? my car also is fairly light in front, aluminum heads and other misc parts, and i'm going to get a glass hood eventually. but its still packing all its rs equip., and power steering/brakes.
i'm not opposed to other options either, but a factory type spring would be good for drag racing, still allowing some weight transfer, and leaving a decent ride, it is a street car after all. (ride i'm not real concerned about however).
i actually have considered the moroso spring, but have never got a good answer on ride height, and since my car hooks great right now, i'm afraid of the moroso's unloading too much. not sure though.
i appreciate any input on this, so all suggestions are welcome , thanks again:thumbsup:
68rs406 Dec 17th, 05, 11:42 PM so, help me out if you can guys.
i'm curious as to what you guys that drag race and street drive are running for front coils on your first gen. i want a good spring for launches, but livable on the street.
anyone?
thanks again :beers:
davidpozzi Dec 18th, 05, 01:19 AM It's generally equal to old worn out front coils, or about 1" lower than stock.
I think it would be a good choice for a SB Camaro without air conditioning.
There is a slightly taller coil of the same rate, 6320 is 380 lbs free height is 15.285" A heavier engine or SB with air, or those wishing a higher front end could use it.
6308 is 380, and 14.901" Most guys like this coil.
68rs406 Dec 18th, 05, 01:23 AM been looking some more, hopefully Mr pozzi will respond as well.
since this will be a more drag oriented car than not, i'm looking at possibly going to a taller free height, the #6314 interests me. its the same load height as a 6308, takes about 37#'s more to load (1607 vs 1644), but its a much softer spring @ 288 load rate. would this be way too soft for driving around, or would it be ok still, like what i have now, 38 year old factory sb springs. i like the fact that the 6314 has a free height of 16.446 vs the 6308's 14.98, it seems that would be better for my launches, effectively "storing" more energy for transfer, such as the moroso's. i'm i totally off here?
i'm more experienced with tuning a pure drag car with coil overs and struts, so i'm trying to find a happy medium between drag and street, edging toward drag, with a stock a arm set up..
thanks again, in advance.
edit: i see your typing is much faster david ;) . my car is more lighter than heavier, and eventually i'll be lightening it up a bit more, with a glass hood, etc.
Everett#2390 Dec 18th, 05, 10:38 AM Sean, you should try a set of Moroso's #74140 springs, SBC with a relocated battery and lwt hood. Stock height ride.
Their instructions also state to cut coils for correct, er, desired height. Not for street use. Its a smaller diameter wire with more coils and shorter free length I'm sure because it was easier to install without manual compressing as with stock coil.
Increased travel with a shortened coil and shorter bumper stop allows more "weight momentum" due to increased travel. Just be sure oil pan doesn't scrape the pavement, could make a good day turn into a challenge.
Just my thoughts.....
HarleyD67 Dec 18th, 05, 11:21 AM If it's mainly a strip only car. Go with the Moroso 74140 springs. If it's going to see ANY street duty make sure you run at least the small stock sway bar. Just disconnect the links at the track for better weight transfer. Other wise STRIP ONLY take the front sway bar off altogether. Also get a good set of adjustable shocks. QA1, KYB, Competition Engineering, HAL.
68rs406 Dec 18th, 05, 01:13 PM thanks a lot for the input guys.
everett, thats why i was kind of wondering about the 6314's they are 16.4 free, and 10.75 compressed, vs 14.9 and 10.75 respectively, for the 6308's. it seems as your stacking more spring, albeit at less rate, and the travel would be more, at least the "spring assisted" travel, since as you point out the bumper is what stops travel (not the rear one the suspension bumper ;) ). but the real low rate concerns me somewhat, but i dont know, this is an area i have not toyed wiyh on my camaro. they may be a better street spring compromise than the moroso's, but i dont know.
i guess i'll have to research the moroso springs, you guys both have definately got me thinking, and i guess its not tough to remove them if i don't like them.
and HD, this car is really just my weekend warrior, and general toy for cruising in, but my roots are dragracing. i like to run it as i drive it, so i never mess with the swaybar or anything like that, i just air down the tires and race, i think its my old street racing days still hanging on.
besides, my buddy has a drag car that keeps me real busy in the summer, i crew for him and we spend lots of nights on it as well, so it actually is a good thing, it keeps my car streetable.
either of you guys (or anybody) ever run those moroso springs on the street? i'd be curious to hear any info.
thanks again!
HarleyD67 Dec 19th, 05, 12:24 PM A friend of mine has them in his Nova. It doesn't see the street much though. Once in a wile around the block with open headers or a cruise around town now and then. The thing I don't like is the front sits too high. I like a slightly lowered look. It handles about like the stock springs did. "I THINK" It's been awhile since he had the stock springs in it.
Everett#2390 Dec 19th, 05, 03:17 PM The only reason Moroso stated "Not for street use" is because of the stored energy, the front end will bounce alot and heat up the standard road shocks and wear them out quicker.
The stock height is there, depending upon configuration of car and its axle weight. Moroso suggested one may trim the springs for the desired stance if stock height is not desired.
If it were me, I'd buy a pair and try them out, they're less than $100 and take less than 1 hour to install. What you got to lose besides an hour and $100? Since you're not running a sway bar, it' ll be even quicker to change.
68rs406 Dec 20th, 05, 07:06 PM yeah, good point about cheap and easy, everett. i looked into rates etc on the moroso springs, and they are around 230#'s. that really makes me wonder about the 6314's, they are around 288, it seems like it might be a good compromise, but i'm not sure. i have not seen a free height/load height on the moroso though, that would be interesting.
the way i read the moog spring chart, it seems the 6314 would sit (loaded) at the same height as the 6308, maybe a slight amount higher, since it takes abot 40 pounds more to load them, but yet they are taller free like the moroso spring, it seems to be a decent street/strip compromise, but i guess since no one seems to know anything about the 6314's, it would be a crap shoot, but as you point out everett, 100$ and an hour of my time, so not a huge deal. i just hate doing things twice.
thanks again for your input guys, i appreciate it! any more input is always welcome.
:beers:
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