Radiator rock guard

[ron & gina]

Hi all,
Was just wondering if any of you GMCers use a rock guard for the radiator?
and did you see a eng. temp. change after install? Mine was installed by Mr.
Wallace during install of bearings/Vac. Tk.(I think he installed vac. tk.)
and the rock guard(about 1/16-1/8" Alum. sheet by P.O., its on the bottom of
cross member in front of the Rad. to the bottom of the Rad. frame case, also
Vac. Tk. is installed on same cross member in front of rad. with large wire
ties. Anyway this seems to cut alot of air from getting to the bottom1/4 or
more of radiator and was thinking of removing the rock guard to see if it
improves eng. temps. Another Question is there more then one type of rear
wheel "T"? I know there's the "T" that also covers the tops of wheels/tires
but I mean the smaller "T". I ordered one from Gateway(dang fib-glass sure
cost alot) And its the same as the one that got tore off but its alittle
shorter about 2-4"(ends at top of zerk fitting) and does not curve under
bogie/zerk fittings, Does anyone make the "T" that curves at the bottom?
Thanks for any/all info

Ron&Gina
73 Pumpkin-Rose
Fort Mohave,AZ

 

[wayne newland]

Ron & Gina

When I purchased my GMC someone had fashioned a rock guard out of a small
opening stiff wire mesh and wire-tied it into place. Works great.
Ocean Atlantic (Daytona) 904-767-9977 and
Golby MH (Orlando) 800-872-1462 sell t-skirts. Check them out.

You might also check out joining GMC International. They put out a great cross
reference parts book and a monthly tip sheet (Worth the money)

> Hi all,
> Was just wondering if any of you GMCers use a rock guard for the radiator?
> and did you see a eng. temp. change after install? Mine was installed by Mr.
> Wallace during install of bearings/Vac. Tk.(I think he installed vac. tk.)
> and the rock guard(about 1/16-1/8" Alum. sheet by P.O., its on the bottom of
> cross member in front of the Rad. to the bottom of the Rad. frame case, also
> Vac. Tk. is installed on same cross member in front of rad. with large wire
> ties. Anyway this seems to cut alot of air from getting to the bottom1/4 or
> more of radiator and was thinking of removing the rock guard to see if it
> improves eng. temps. Another Question is there more then one type of rear
> wheel "T"? I know there's the "T" that also covers the tops of wheels/tires
> but I mean the smaller "T". I ordered one from Gateway(dang fib-glass sure
> cost alot) And its the same as the one that got tore off but its alittle
> shorter about 2-4"(ends at top of zerk fitting) and does not curve under
> bogie/zerk fittings, Does anyone make the "T" that curves at the bottom?
> Thanks for any/all info
>
> Ron&Gina
> 73 Pumpkin-Rose
> Fort Mohave,AZ

 

[timothy brown]

Ron & Gina wrote:

 

[john wright]

R&G,
I absolutely use a stone and rock guard. Mine is made out of 1/2" x 1/2"
heavy-duty hardware mesh. I also have a spoiler mounted under the
radiator to direct more air thru the radiator. I do manufacture and
sell the spoiler and you can contact me directly if your interested by
E-mail. I had my radiator recored last fall along with a new thermostat
and Hayden 2797 Fan clutch. I tow and the temp never runs more than half
way on the gauge. I also have the newer temp sender which give a better
temp reading.

J.R. Wright
GMC GreatLaker
77 Eleganza II
Michigan

>
> Hi all,
> Was just wondering if any of you GMCers use a rock guard for the radiator?
> and did you see a eng. temp. change after install? Mine was installed by Mr.
> Wallace during install of bearings/Vac. Tk.(I think he installed vac. tk.)
> and the rock guard(about 1/16-1/8" Alum. sheet by P.O., its on the bottom of
> cross member in front of the Rad. to the bottom of the Rad. frame case, also
> Vac. Tk. is installed on same cross member in front of rad. with large wire
> ties. Anyway this seems to cut alot of air from getting to the bottom1/4 or
> more of radiator and was thinking of removing the rock guard to see if it
> improves eng. temps. Another Question is there more then one type of rear
> wheel "T"? I know there's the "T" that also covers the tops of wheels/tires
> but I mean the smaller "T". I ordered one from Gateway(dang fib-glass sure
> cost alot) And its the same as the one that got tore off but its alittle
> shorter about 2-4"(ends at top of zerk fitting) and does not curve under
> bogie/zerk fittings, Does anyone make the "T" that curves at the bottom?
> Thanks for any/all info
>
> Ron&Gina
> 73 Pumpkin-Rose
> Fort Mohave,AZ

 

[mark grady]

I didn't answer this last night, but I'll throw in my .02 worth.

I've had the solid Wallace radiator guard since a piece of steel went
through the original radiator about 3 years ago.

My original radiator was in terrible shape at the bottom, so it was a mixed
blessing, except to my wallet.

Never had a problem with overheating, and I've got the correct temp sender
and the 'little' stamped steel water pump impeller.

I do use the 2797 severe duty fan clutch though.

Just offering that for what it's worth.

Mark

- -----Original Message-----
From: owner-gmcmotorhome
[mailtowner-gmcmotorhome]On Behalf Of GMC77PB
Sent: Wednesday, July 14, 1999 10:34 AM
To: gmcmotorhome
Subject: Re: GMC: Radiator rock guard

I'd suggest you remove the solid rock guard and use what is commonly called
"hardware cloth" (wide spaced heavy screen wire). It has worked perfectly
for me.

 

[thom hole]

How interesting!! I'm Stuck in Washington, DC (actually Herndon, VA)with a injured radiator from debris I hit on I-95. Today I'm trying to limp it to someone for repair.

>Hi all,
> Was just wondering if any of you GMCers use a rock guard for the radiator?
>and did you see a eng. temp. change after install? Mine was installed by Mr.
>Wallace during install of bearings/Vac. Tk.(I think he installed vac. tk.)
>and the rock guard(about 1/16-1/8" Alum. sheet by P.O., its on the bottom of
>cross member in front of the Rad. to the bottom of the Rad. frame case, also
>Vac. Tk. is installed on same cross member in front of rad. with large wire
>ties. Anyway this seems to cut alot of air from getting to the bottom1/4 or
>more of radiator and was thinking of removing the rock guard to see if it
>improves eng. temps. Another Question is there more then one type of rear
>wheel "T"? I know there's the "T" that also covers the tops of wheels/tires
>but I mean the smaller "T". I ordered one from Gateway(dang fib-glass sure
>cost alot) And its the same as the one that got tore off but its alittle
>shorter about 2-4"(ends at top of zerk fitting) and does not curve under
>bogie/zerk fittings, Does anyone make the "T" that curves at the bottom?
>Thanks for any/all info
>
>Ron&Gina
>73 Pumpkin-Rose
>Fort Mohave,AZ
>

Thom Hole
Cisco Systems Inc.
Inside Sales Manager - Verticals
ph: (919) 472-3975
fx: (408) 525-0232
800-888-8187 x23975

 

[wayne newland]

Thom

I'm in Columbia, Md. just around the beltway from you. If you need help, page me at 888-200-2375.

Wayne Newland F9300 745 Plam Beach

> How interesting!! I'm Stuck in Washington, DC (actually Herndon, VA)with a injured radiator from debris I hit on I-95. Today I'm trying to limp it to someone for repair.
>

> >Hi all,
> > Was just wondering if any of you GMCers use a rock guard for the radiator?
> >and did you see a eng. temp. change after install? Mine was installed by Mr.
> >Wallace during install of bearings/Vac. Tk.(I think he installed vac. tk.)
> >and the rock guard(about 1/16-1/8" Alum. sheet by P.O., its on the bottom of
> >cross member in front of the Rad. to the bottom of the Rad. frame case, also
> >Vac. Tk. is installed on same cross member in front of rad. with large wire
> >ties. Anyway this seems to cut alot of air from getting to the bottom1/4 or
> >more of radiator and was thinking of removing the rock guard to see if it
> >improves eng. temps. Another Question is there more then one type of rear
> >wheel "T"? I know there's the "T" that also covers the tops of wheels/tires
> >but I mean the smaller "T". I ordered one from Gateway(dang fib-glass sure
> >cost alot) And its the same as the one that got tore off but its alittle
> >shorter about 2-4"(ends at top of zerk fitting) and does not curve under
> >bogie/zerk fittings, Does anyone make the "T" that curves at the bottom?
> >Thanks for any/all info
> >
> >Ron&Gina
> >73 Pumpkin-Rose
> >Fort Mohave,AZ
> >
>
> Thom Hole
> Cisco Systems Inc.
> Inside Sales Manager - Verticals
> ph: (919) 472-3975
> fx: (408) 525-0232
> 800-888-8187 x23975

 

[ron & gina]

Thanks to all on rock guard replies. I have removed my solid alum. guard and
looking for holey replacement. Did not see much of a change in temps. during
short drive to check for cost for wheel well repair/paint.(shop wanted
$884.21 for the minor glass damage and painting of both "T"s, guess I'm now
in the fib-glass repair) Still trying to get better cooling in 118deg. heat
if its possible. Thanks again

Ron&Gina
73 Pumpkin-Rose
Fort Mohave,AZ

- ----- Original Message -----
From: MR EUGENE R FISHER
To: ;
Sent: Wednesday, July 14, 1999 5:02 PM
Subject: Re: GMC: Radiator rock guard

> -- [ From: Eugene Fisher * EMC.Ver #2.5.3 ] --
>
> I will post a picture if you can send it to me
> gene
>
> -------- REPLY, Original message follows --------
>
> Date: Wednesday, 14-Jul-99 06:24 PM
>
> From: John Wright \ Internet: (powerjon)
> To: gmclist \ Internet: (gmcmotorhome
> .org)
>
> Attachment: mimemsg.doc Code: 02PO3HG \ Created: Unknown [3 Kb]
>
> Subject: Re: GMC: Radiator rock guard
>
> R&G,
> I absolutely use a stone and rock guard. Mine is made out of 1/2" x 1/2"
> heavy-duty hardware mesh. I also have a spoiler mounted under the
> radiator to direct more air thru the radiator. I do manufacture and
> sell the spoiler and you can contact me directly if your interested by E
> -mail. I had my radiator recored last fall along with a new thermostat
> and Hayden 2797 Fan clutch. I tow and the temp never runs more than half
> way on the gauge. I also have the newer temp sender which give a better
> temp reading.
>
> J.R. Wright
> GMC GreatLaker
> 77 Eleganza II
> Michigan
>
>
>

> >
> > Hi all,
> > Was just wondering if any of you GMCers use a rock guard for the
> radiator?
> > and did you see a eng. temp. change after install? Mine was installed
> by Mr.
> > Wallace during install of bearings/Vac. Tk.(I think he installed vac.
> tk.)
> > and the rock guard(about 1/16-1/8" Alum. sheet by P.O., its on the
> bottom of
> > cross member in front of the Rad. to the bottom of the Rad. frame case
> , also
> > Vac. Tk. is installed on same cross member in front of rad. with large
> wire
> > ties. Anyway this seems to cut alot of air from getting to the
> bottom1/4 or
> > more of radiator and was thinking of removing the rock guard to see if
> it
> > improves eng. temps. Another Question is there more then one type of
> rear
> > wheel "T"? I know there's the "T" that also covers the tops of
> wheels/tires
> > but I mean the smaller "T". I ordered one from Gateway(dang fib-glass
> sure
> > cost alot) And its the same as the one that got tore off but its
> alittle
> > shorter about 2-4"(ends at top of zerk fitting) and does not curve
> under
> > bogie/zerk fittings, Does anyone make the "T" that curves at the
> bottom?
> > Thanks for any/all info
> >
> > Ron&Gina
> > 73 Pumpkin-Rose
> > Fort Mohave,AZ
>
>
> -------- REPLY, End of original message --------
>
>
> --
> Gene 76Palm Beach /Or/CA
>
> GMC Technical Information
> http://www.california.com/~eagle/

 

[richard waters]

I'm so happy that I have decided to hang out with technical
types here in the vastness of cyberspace. I've been able to
add to my technical vocabulary such terms as "holey stuff." I can't
wait until I go into the local aluminum and steel distributor and ask
for "holey stuff".

Richard Waters '76 PB, Troy,
learning a new word everyday!
- ---

>
>
> If it is a solid sheet, you might want to replace it with some sort of
> "holey stuff". (Technical term.)
>
> Tim Brown
> 78 Royale
> Jackson Mich

 

[thom hole]

THANK YOU ! THANK YOU!! THANK YOU!!!

I was able to get my coach to 'The Radiator Shop' in Falls Church, VA (South side of DC). The way I was able to manage was to hook my water hose to the sink faucet with a little Duct Tape, and then put the other end out the window, in the front access panel, and into the top of the radiator. Turned on the faucet to the level that would keep the radiator full and off we went. My 'Clean Livin' luck was in full force -----> the water tank ran out when I drove into their lot!!!!!!

Anyway, They would not do the proper repair, because they had done one in the past and did not want to undertake the cutting of the radiator frame, etc.......

I'll check with the usual suspects for getting it properly repaired.............. THANKS AGAIN FOR OFFERING YOUR HELP!!!!!!!! Isn't this WEB thing great????

>Thom
>
>I'm in Columbia, Md. just around the beltway from you. If you need help, page me at 888-200-2375.
>
>Wayne Newland F9300 745 Plam Beach
>

>
>> How interesting!! I'm Stuck in Washington, DC (actually Herndon, VA)with a injured radiator from debris I hit on I-95. Today I'm trying to limp it to someone for repair.
>>

>> >Hi all,
>> > Was just wondering if any of you GMCers use a rock guard for the radiator?
>> >and did you see a eng. temp. change after install? Mine was installed by Mr.
>> >Wallace during install of bearings/Vac. Tk.(I think he installed vac. tk.)
>> >and the rock guard(about 1/16-1/8" Alum. sheet by P.O., its on the bottom of
>> >cross member in front of the Rad. to the bottom of the Rad. frame case, also
>> >Vac. Tk. is installed on same cross member in front of rad. with large wire
>> >ties. Anyway this seems to cut alot of air from getting to the bottom1/4 or
>> >more of radiator and was thinking of removing the rock guard to see if it
>> >improves eng. temps. Another Question is there more then one type of rear
>> >wheel "T"? I know there's the "T" that also covers the tops of wheels/tires
>> >but I mean the smaller "T". I ordered one from Gateway(dang fib-glass sure
>> >cost alot) And its the same as the one that got tore off but its alittle
>> >shorter about 2-4"(ends at top of zerk fitting) and does not curve under
>> >bogie/zerk fittings, Does anyone make the "T" that curves at the bottom?
>> >Thanks for any/all info
>> >
>> >Ron&Gina
>> >73 Pumpkin-Rose
>> >Fort Mohave,AZ
>> >
>>
>> Thom Hole
>> Cisco Systems Inc.
>> Inside Sales Manager - Verticals
>> ph: (919) 472-3975
>> fx: (408) 525-0232
>> 800-888-8187 x23975
>

Thom Hole
Cisco Systems Inc.
Inside Sales Manager - Verticals
ph: (919) 472-3975
fx: (408) 525-0232
800-888-8187 x23975

 

[ron & gina]

Hi Mark, I removed my Wallace rock guard but did not really see much of a
difference in eng. temps. What does your Eng. temps run at and in what
outside temps? Mine has not overheated but got close to half mark on peaks
on longer hills this was in 115+deg outside temps. and fan running. On level
roads at same outside temps eng. temp is slightly above 1/4 mark and fan
cycles as needed to keep there this was with guard on. Does the 2797 severe
fan do abetter job than stock? Other ? do you also have Wallace bearings if
so do you grease yourself? I have all info on this but was wondering if you
bought a 250-300# torque wench? Tried getting one here but cost about $150
in this area. was hoping to find a cheaper one. Thanks for any info.

Ron&Gina
73 Pumpkin-Rose
Fort Mohave,AZ

- ----- Original Message -----
From: Mark Grady
To:
Sent: Wednesday, July 14, 1999 7:32 PM
Subject: RE: GMC: Radiator rock guard

> I didn't answer this last night, but I'll throw in my .02 worth.
>
> I've had the solid Wallace radiator guard since a piece of steel went
> through the original radiator about 3 years ago.
>
> My original radiator was in terrible shape at the bottom, so it was a
mixed
> blessing, except to my wallet.
>
> Never had a problem with overheating, and I've got the correct temp sender
> and the 'little' stamped steel water pump impeller.
>
> I do use the 2797 severe duty fan clutch though.
>
> Just offering that for what it's worth.
>
> Mark
>
> -----Original Message-----
> From: owner-gmcmotorhome
> [mailtowner-gmcmotorhome]On Behalf Of GMC77PB
> Sent: Wednesday, July 14, 1999 10:34 AM
> To: gmcmotorhome
> Subject: Re: GMC: Radiator rock guard
>
>
> I'd suggest you remove the solid rock guard and use what is commonly
called
> "hardware cloth" (wide spaced heavy screen wire). It has worked perfectly
> for me.
>

 

[mark grady]

Ron --

Happy to help --

|>Sometimes you have to change these to get what you want.
|Do you mean keep taking (2797)(NAPA P/N 771303) back till you get the one
you want?

Yup. Scott Shean reported this in April.

These can be noisier fan clutches than the 2747, which we'll call heavy
duty, or the 2705 (or 2707), which we'll call regular duty, The 2707 is
closest to what came as original equipment.

Jim Bounds recommends the 2707 or (2705 Delco 14-4208), Duane Simmons the
2797.

Personally, I have the 2797 and it doesn't roar too much. Maybe I got just
the right one.

Mark

 

[loren \(skip\) newhouse]

I've never heard my fan clutch! Does this mean it isn't working? What can I do
to test it?
any response is appreciated.
Skip Newhouse
'75 Avion
Western MD

>
>
> |>Sometimes you have to change these to get what you want.
> |Do you mean keep taking (2797)(NAPA P/N 771303) back till you get the one
> you want?
>