is a part of the shroud missing? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

steve k. · 07-14-2004, 07:55 PM

I feel like there are some parts missing. Sorry for poor quality images. It'sacamero phone.

It's a 1981 C30 that used to have a 454 and now has a 350.

thanks,
steve k.

rich-white · 07-14-2004, 08:22 PM

Don't know about yours but some of the 350's had an aluminum spacer block that was about 2-2 1/2 inches thick that moved the fan closer to the radiator to help to draw ait into fan. Can't tell from pics if you have or not.

**76sierraclassic** · 07-14-2004, 09:52 PM

I could be wrong, but I think the problem is that you have the whole radiator/shroud setup from the 454. My stock 350 setup has a different upper radiator support and a little wider shroud there than that. The fan isn't covered all the way by the shroud on mine, but more than what you have there.

Mike

bigblock73 · 07-14-2004, 10:43 PM

Yup, there are two different shrouds/upper brackets. All small blocks (except 400) and 6 cylinders had one style, while the big block and 400 trucks had the one pictured.

To solve it easily, go get a spacer, one that goes between the pully and fan, that should solve your problem. You ideally want the fan 1/2 way in the shroud.

steve k. · 07-15-2004, 03:05 AM

thanks a lot. got the spacer and the new clutch. all fits nicelly and looks like it belongs there.

steve k.

rich-white · 07-16-2004, 07:44 PM

If you still have problems I have a fan shroud for a small block in good shape.

dswancutt · 07-16-2004, 09:06 PM

Ken;

I have to disagree with you on the shrouds. I have two 78’s, one is a 350 C-10, the other is a 400 K-10 and both have the deep metal panel with large shrouds. Both are factory AC trucks. However, my uncle has a 77 w/o air and it has a smaller shroud.

Doug

bigblock73 · 07-16-2004, 09:28 PM

Quote:

Originally Posted by dswancutt

Ken;

I have to disagree with you on the shrouds. I have two 78’s, one is a 350 C-10, the other is a 400 K-10 and both have the deep metal panel with large shrouds. Both are factory AC trucks. However, my uncle has a 77 w/o air and it has a smaller shroud.

Doug

The wider covers work with the narrower shrouds, and the narrower covers work with the wider shrouds...you cant have a wider metal cover AND wider shroud...it just won't fit and work properly. I do not believe A/C has anything to do with it because the condenser is mounted in front of the radiator...but i could be wrong.

I have never seen an original 350 powered truck with a wider top cover (wider radiator)...maybe 3/4 tons were different, but i don't think any 1/2 tons came that way. Are you sure your 78 C-10 is all original? Your 400 K-10 I know would have the wider cover & larger radiator.

dswancutt · 07-16-2004, 11:20 PM

Jeff;

My C-10 was a 76,000 mile truck when I pulled the engine because the head cracked. It still had the GM lower radiator hose and the french clips on the exhuast manifolds when I bought it. It is a big 10, so I don't know if that has any thing to do with it.

Doug

07-14-2004, 07:55 PM	#1
steve k. Registered User Join Date: Mar 2004 Posts: 26	is a part of the shroud missing? I feel like there are some parts missing. Sorry for poor quality images. It'sacamero phone. It's a 1981 C30 that used to have a 454 and now has a 350. thanks, steve k.

07-14-2004, 10:43 PM	#4
bigblock73 yeller Join Date: Oct 2001 Location: Twin Cities Posts: 13,826	Yup, there are two different shrouds/upper brackets. All small blocks (except 400) and 6 cylinders had one style, while the big block and 400 trucks had the one pictured. To solve it easily, go get a spacer, one that goes between the pully and fan, that should solve your problem. You ideally want the fan 1/2 way in the shroud. __________________ Jeff 73-87.com 73-87.com Facebook page 73-87 cab corner 6x9 speaker brackets for sale 67-72 cab corner speaker brackets for sale 47-54 cab corner speaker brackets for sale

07-14-2004, 08:22 PM	#2
rich-white Registered User Join Date: Feb 2004 Location: st. Louis Missouri Posts: 414	Don't know about yours but some of the 350's had an aluminum spacer block that was about 2-2 1/2 inches thick that moved the fan closer to the radiator to help to draw ait into fan. Can't tell from pics if you have or not.

07-14-2004, 09:52 PM	#3
76sierraclassic Senior Member Join Date: Feb 2004 Location: White Hall, AR Posts: 316	I could be wrong, but I think the problem is that you have the whole radiator/shroud setup from the 454. My stock 350 setup has a different upper radiator support and a little wider shroud there than that. The fan isn't covered all the way by the shroud on mine, but more than what you have there. Mike

07-15-2004, 03:05 AM	#5
steve k. Registered User Join Date: Mar 2004 Posts: 26	thanks a lot. got the spacer and the new clutch. all fits nicelly and looks like it belongs there. steve k.

07-16-2004, 07:44 PM	#6
rich-white Registered User Join Date: Feb 2004 Location: st. Louis Missouri Posts: 414	If you still have problems I have a fan shroud for a small block in good shape.

07-16-2004, 09:06 PM	#7
dswancutt Registered User Join Date: Jul 2003 Location: Franklin, NE Posts: 387	Ken; I have to disagree with you on the shrouds. I have two 78’s, one is a 350 C-10, the other is a 400 K-10 and both have the deep metal panel with large shrouds. Both are factory AC trucks. However, my uncle has a 77 w/o air and it has a smaller shroud. Doug

07-16-2004, 11:20 PM	#9
dswancutt Registered User Join Date: Jul 2003 Location: Franklin, NE Posts: 387	Jeff; My C-10 was a 76,000 mile truck when I pulled the engine because the head cracked. It still had the GM lower radiator hose and the french clips on the exhuast manifolds when I bought it. It is a big 10, so I don't know if that has any thing to do with it. Doug



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