1970 L78 Nova SS owner needs feedback.

[WILMASBOYL78]

291 heads and 569 intake are correct for that time frame....I don't know of any 70 L78 Novas with the older 840 heads or 163 intake. It is true there were many changes mid-year....door hinges, throttle cable, smog plumbing, F41 sway bar, etc....our black 70 4spd engine was built 1 day after this one and it has the 291's and 569.

wilma

[L78steve]

Shouldn't the crank pulley be a 291?

[92646]

What information are you looking for? I thought the L-78 would have a steel not a cast crankshaft? I did not see any mention of the type of pistons used, forged or cast and what compression ratio? When you say reconditioned on some of the key parts does that mean the parts still have the original part number stampings and are they original to the car? Can you provide pictures of the core support?
Mark Sheppard

[427king]

[ QUOTE ]
I did not see any mention of the type of pistons used, forged or cast and what compression ratio?

[/ QUOTE ] Pics show 11 to 1 forged.... My question is this, if the pad stamp doesnt do it for certain people would the prescence of the right crank,pulley and cam make the stamp look more believable?

[JRSully]

I looked at that car last year, purchased off of Long Island.? owner had a hemi RR and a LS6 Chevelle as I recall. Car needed a ton of work and price was a bit steep but it looks like you have done nice job. As someone indicated previouslyl, see if you can get an NICB report and try trace ownership that way. Engine stamp looks real, don't know on the tranny. Good luck

[92646]

All I can find are pictures of what looks like when the motor was being torn down. Were the old pistons reused when the motor was rebuilt?
Mark Sheppard

[Als 70 L78 Nova]

The pistons that are in the engine now were in the engine when I bought it.

[LITTLE TOMMIE]

trans stamp looks to have little cross lines in each letter and number like it was engraved

[Schonyenko2]

I won't argue to the death on the heads, but I thought that some early novas had the 163 intake with the open element air cleaner. Does your blk nova built a day after this car have a dual snorkle air cleaner? Does it also have the arm/rod throttle? My dual snorkle late build had the cable. I thought other than the cable being a saftey in respect to a broken motor mt holding the arm open, that there would be a clearance issue with the arm/rod and the dual snorkle and the intake height.
It was my thought that the cable, and the D/S air cleaner came at mid year with the other changes. Some of those spurred by the introduction of the new camaro model.
So can you tell me when the drop dead change date is for the cable, and the D/S air cleaner. As it's possible that this D/S air cleaner is not correct for this early built car.

[Als 70 L78 Nova]

As an FYI, I made the air cleaner myself. It is not original to the car but I loved the look so I added it.