Jwhite
Newbie
Posts: 2
Age: 69
Loc: Edmonton, Canada
Reg: 01-18-25
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01-22-25 05:01 PM - Post#2877318
Hi Folks, I'm just looking for anyone that has installed a zz427 in a 1966 biscayne,belair or impala. What little issues will i run into?
All tips will be greatly appreciated.
Thank you.
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 toro455
"9th Year" Gold Supporting Member
Posts: 1514
Loc: Western NY
Reg: 06-15-02
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01-22-25 08:32 PM - Post#2877320
In response to Jwhite
I have not installed a zz427 but the likely issues I can think of, I suspect, would be like installing any BBC in a car which didn't have one...assuming it didn't originally have one.
Some specific things I can think of are:
-The oil pan on the B-Body can be close to oil pans so if the zz427 comes with a generic-fit pan it might not work in the B-Body
-Radiator and shroud are different.
-Radiator spacer is likely different.
-You need a combination of motor mounts and engine stands which are intended for BBC to be certain the engine is at the correct height.
-Cars with PS are extremely tight to one header tube on the driver side. I don't know if you plan to use headers but if the heads on the zz427 are different the fit might change??
-Is the height of the intake different? You may want to verify air cleaner to hood clearance.
-If the valve covers are cast will accessories like the AC compressor fit over the valve cover on the passenger side?
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bobb
Super Senior Member
Posts: 6916
Loc: paradise
Reg: 09-05-03
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01-23-25 07:00 AM - Post#2877322
In response to Jwhite
front drive
| 70 L camino, grampa engine, g-force 5 spd, road rage suspension. Pray first before all else fails. |
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