Quickfarms Posted May 26, 2023 Share Posted May 26, 2023 Is this bar supposed to be in front of the two piece grill? Quote Link to comment https://www.bigmacktrucks.com/topic/72892-r-model-grill/ Share on other sites More sharing options...
Quickfarms Posted May 26, 2023 Author Share Posted May 26, 2023 Is that bar the bar that goes behind this grill in front of the hinges? Quote Link to comment https://www.bigmacktrucks.com/topic/72892-r-model-grill/#findComment-531990 Share on other sites More sharing options...
navypoppop Posted May 27, 2023 Share Posted May 27, 2023 I don't think so. It looks like it is there to help support the lower piece of the grill. I've never seen that before. Is it a grill from maybe a Western F model or something? Quote Link to comment https://www.bigmacktrucks.com/topic/72892-r-model-grill/#findComment-531999 Share on other sites More sharing options...
mowerman Posted May 27, 2023 Share Posted May 27, 2023 ive never seen it either....bob Quote Link to comment https://www.bigmacktrucks.com/topic/72892-r-model-grill/#findComment-532003 Share on other sites More sharing options...
Popular Post Whiskymack Posted May 28, 2023 Popular Post Share Posted May 28, 2023 I've seen a few like this and I think it was probably factory. It might have been to support the grill where it hinged. My guess is the hinged grill didn't work very well in practice because the lower piece was also attached to the bumper and may have caused the upper piece to pull away from the hood. This would also explain why the two piece grill only lasted a few years and was replaced by the more familiar one piece design. 2 1 Quote Link to comment https://www.bigmacktrucks.com/topic/72892-r-model-grill/#findComment-532054 Share on other sites More sharing options...
mowerman Posted May 28, 2023 Share Posted May 28, 2023 thanks for that,,,,i thought they had some sort of hinge connecting them,,,,, i was looking at one around 20 years ago here in reno from MGM studios...a guy just bought.....not a whole lot of them around.bob Quote Link to comment https://www.bigmacktrucks.com/topic/72892-r-model-grill/#findComment-532061 Share on other sites More sharing options...
doubleclutchinweasel Posted May 30, 2023 Share Posted May 30, 2023 On 5/28/2023 at 6:02 AM, Whiskymack said: I've seen a few like this and I think it was probably factory. It might have been to support the grill where it hinged. My guess is the hinged grill didn't work very well in practice because the lower piece was also attached to the bumper and may have caused the upper piece to pull away from the hood. This would also explain why the two piece grill only lasted a few years and was replaced by the more familiar one piece design. I have that book, too! Quote "Eagles may soar, but weasels don't get sucked into jet engines." Link to comment https://www.bigmacktrucks.com/topic/72892-r-model-grill/#findComment-532186 Share on other sites More sharing options...
marmon man Posted Thursday at 10:12 PM Share Posted Thursday at 10:12 PM The 2 piece grill was only if you had a big Cummins, cat, or Detroit engine. Had a larger capacity radiator for the bigger horsepower. Can I ask where you got a rs600 hood? My 1st truck was a 78 rs model. Loved that truck. And no they didn't start calling them valueliners til later on. My 78 didn't have the valueliner badge either Quote Link to comment https://www.bigmacktrucks.com/topic/72892-r-model-grill/#findComment-573885 Share on other sites More sharing options...
Lmackattack Posted Friday at 12:07 AM Share Posted Friday at 12:07 AM That 2 piece grill was used on early RS/RL 700s with the hood that was not as tall as the later RS/RL. Basically a R700 style hood where the tire to fender gap was very obvious. The later model RS/RL hoods had lower fenders with taller hood sides thus reducing the tire to fender gap. These had a single piece grill. The bar in question held the hood from flexing outward because the aluminum grill was not as rigid as the later single piece grill. The 2 piece grill was on a hinge so the hood could tilt. I suspect they moved away from the 2 piece grill because it was not as sturdy. Heck even my late model RS700 hood with single piece grill will allow the hood to flex when opening in the wind. Quote Link to comment https://www.bigmacktrucks.com/topic/72892-r-model-grill/#findComment-573892 Share on other sites More sharing options...
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