Page 17. Most everything you want to know is there..
What exactly did the F60 "Heavy Duty Front Suspension" RPO option consist of in 1985 ?
Just going through my factory invoice and looking at the RPO options. The seller told me it was beefed up and heavy duty and he was right. I see two RPO codes to support that but what exactly is it? I have F60 and C3B 1000 lb payload package? Does anyone know from back in the day?
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I had a few that had the 1500# payload, I forget the code, either C3A or C3C; the other code was maybe for cab/chassis service vehicles. I think it was fairly common to have the 1500# option, at least I ended up with it more often than not. I push limits, and I know on a trip back from Home Depot with some sale stockade fence I had what I calculated to be two tons on my 85, with the 1500# package, for 45 highway miles, drove tilted backwards, and swayed, but no residual problem. I would want the heavy load packages, and never found there to be any downsides. It was probably just another leaf in the spring and better shocks.
I recall that the full listing was in the big full paper official factory shop service manuals at one time. Along with the document shown in the post above from Rhotpursuit.
I recall that the full listing was in the big full paper official factory shop service manuals at one time. Along with the document shown in the post above from Rhotpursuit.
Thank you kindly. Very helpful!Page 17. Most everything you want to know is there..
My RPO book says F60 is 'Heavy duty front springs'. From 1976-2000, but my book was published in 2001, so the RPO may have been used for much longer, may still be in use.
In many, many instances, the "RPO" on the sticker or build sheet is not an "option" at all. It is a Sequential Equipment Option. An SEO is included in an RPO. If there is an option for "heavy duty suspension" F60 is the SEO for the front springs. There will be another SEO for the rear springs.
In C4 Corvette (which I am much more familiar with than S-series) there are 2 basic suspensions, and are on the sticker and build sheet. FE1(base) and FE7 (special performance). You can not order either of these. If you order Z51 or Z07 "Special Handling Package" you get FE7. FE7 has different sway bars, springs, shocks, wheel widths, suspension bushings, and sometimes different steering ratio. The content and specific part numbers vary year to year. Some of these sub-components have an SEO of their own (the wheels do), but most don't. Things like the springs, sway bars, shocks and a-arms (that contain the different bushings) have a "Broadcast Code" which is usually a sticker with 2 or three letters on it. Broadcast Codes are on the build sheet in the appropriate position for the item.
"Suspension Packages" on the S10 were probably similar. An RPO that contains some SEO, and a bunch of Broadcast Codes.
In many, many instances, the "RPO" on the sticker or build sheet is not an "option" at all. It is a Sequential Equipment Option. An SEO is included in an RPO. If there is an option for "heavy duty suspension" F60 is the SEO for the front springs. There will be another SEO for the rear springs.
In C4 Corvette (which I am much more familiar with than S-series) there are 2 basic suspensions, and are on the sticker and build sheet. FE1(base) and FE7 (special performance). You can not order either of these. If you order Z51 or Z07 "Special Handling Package" you get FE7. FE7 has different sway bars, springs, shocks, wheel widths, suspension bushings, and sometimes different steering ratio. The content and specific part numbers vary year to year. Some of these sub-components have an SEO of their own (the wheels do), but most don't. Things like the springs, sway bars, shocks and a-arms (that contain the different bushings) have a "Broadcast Code" which is usually a sticker with 2 or three letters on it. Broadcast Codes are on the build sheet in the appropriate position for the item.
"Suspension Packages" on the S10 were probably similar. An RPO that contains some SEO, and a bunch of Broadcast Codes.
good info! Thanks Dave!My RPO book says F60 is 'Heavy duty front springs'. From 1976-2000, but my book was published in 2001, so the RPO may have been used for much longer, may still be in use.
In many, many instances, the "RPO" on the sticker or build sheet is not an "option" at all. It is a Sequential Equipment Option. An SEO is included in an RPO. If there is an option for "heavy duty suspension" F60 is the SEO for the front springs. There will be another SEO for the rear springs.
In C4 Corvette (which I am much more familiar with than S-series) there are 2 basic suspensions, and are on the sticker and build sheet. FE1(base) and FE7 (special performance). You can not order either of these. If you order Z51 or Z07 "Special Handling Package" you get FE7. FE7 has different sway bars, springs, shocks, wheel widths, suspension bushings, and sometimes different steering ratio. The content and specific part numbers vary year to year. Some of these sub-components have an SEO of their own (the wheels do), but most don't. Things like the springs, sway bars, shocks and a-arms (that contain the different bushings) have a "Broadcast Code" which is usually a sticker with 2 or three letters on it. Broadcast Codes are on the build sheet in the appropriate position for the item.
"Suspension Packages" on the S10 were probably similar. An RPO that contains some SEO, and a bunch of Broadcast Codes.
Another thing I find odd is in those pages is says that C3B 1000lb payload capacity, which is the lowest one they offer, is standard in both 2wd and 4wd. If its standard why was it ordered and put on the invoice? And why does it have Heavy Duty Front Suspension option F60 but only 1000lb payload? It says Heavy Duty Front Suspension F60 included heavy duty front and rear shocks F51 but doesnt say what all else it included?
Although many of us love GM products, the company itself is like my extended family, you can't figure out what the Hell they were thinking, or if anyone is in charge. Some of it may just be administrative, like fields on a form that have to be filled. Or it could be someone who put together an order for that truck, not knowing what they were doing. My suggestion is to not stay awake tonight thinking about it.
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