what kind of 454 engine do I have in my sub79?

[paintinx]

Good Morning y'all ...

I got a 1979 Suburban with this datas:

Chevrolet Suburban 1979, TH 400, 2WD, 7,4 ltr

(GM CORPORATE 14-BOLT)

CARBURATOR: 17059520 / 1449 CCP


VIN: TCS269F528860

this means:
T - GMC
C - Serie
S - 7,4 Liter - 4BBL Carburator -
2 - 3/4 ton
6 - Suburban
9 - last digit of model year (1979)
F - PlantCode (Chevrolet Flint)
528860 - Production Sequence Number


I am looking for some infos to my engine:

I assume, it is a 90degree V8 engine ...
but its material ... is it cast iron?


---------------
to be clear, I have read heaps of infos at the web but I need
the datas for my 1979 modell as accurately as possible.
---------------

The head material is also cast iron, isNt it?
regarding the valves: do I have 2 push rods?

The crank is also made with cast iron?

The conrods and pistons also cast iron?
Or heavy duty cast?

​
I have no idea what datas I should use for the "variant capacity"
please look to the "variantcapacity.png" ... are these values ok?

I have the same question to compression and cam profile datas,
please see the attachment called "compression_and_camprofil.pnge"

My last question is regarding the mixture and ingntion settings,
please have a look to "fuel_and_mixture.png".


It would be very great to get answers ... also a good link to these special questions would be nice.

I am sorry for my poor english!

I wish you a nice sunday!

Stef





Stef​​

[Warrens69GMC]

You should always check the casting codes on the block then go from there. My 1979 2wd Suburban looked to have a original 454, but running the block codes and the suffix codes says its a 1970 402.

[paintinx]

Great Warren, thx!