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-   -   '78 GMC SC 454/T400 long to short bed build (https://67-72chevytrucks.com/vboard/showthread.php?t=816443)

superchevy 04-15-2021 07:06 PM

Re: '78 GMC SC 454/T400 long to short bed build
 
2 Attachment(s)
now, the fully restored a/c evap box ( from Tbe Parts Guy on eBay) could be installed...I used ac duct putty from Home Depot to seal the box against the firewall... you can see how I had to roll it out and set in the grove of the box...

superchevy 04-15-2021 07:08 PM

Re: '78 GMC SC 454/T400 long to short bed build
 
2 Attachment(s)
ac box installed....gorgeous

SCOTI 04-15-2021 10:24 PM

Re: '78 GMC SC 454/T400 long to short bed build
 
Was there an issue w/the existing Evap case or was that purchase simply just to expidite that task?

superchevy 04-16-2021 07:09 AM

Re: '78 GMC SC 454/T400 long to short bed build
 
hey SCOTI, both...

superchevy 04-18-2021 04:59 PM

Re: '78 GMC SC 454/T400 long to short bed build
 
2 Attachment(s)
It's time to take the 78's 454 to the machine shop fir rebuilding...new small dome pistons and a torque cam should really wake up this truck...CR will be right about 9.5:1 with the 119cc 781 heads...

2003z06 04-20-2021 08:10 AM

Re: '78 GMC SC 454/T400 long to short bed build
 
So clean. Love the progress. What are you using to paint the frame and suspension parts?


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