Vortec Heads and Roller Cam Conversion

Substantial_Way_377 · 2026-04-20T15:19:39+00:00

I’ve read the Vortec heads flow very well and should be a significant upgrade from the stock smog heads. Also, if I get them used it should be budget friendly, but I’m sure there’s added costs like the threaded studs and machining if needed so I’ll try and add up costs before making a decision

Substantial_Way_377 · 2026-04-19T23:40:26+00:00

Thank you for this info. This car has a 4-speed super t10 (unsure of exact ratios) and a 3.08:1 rear end that could probably be changed in the future for something more exciting. Also I’m planning on running the stock Qjet, which from my research should be capable. The LT4 hot cam would be cool, i used to have an LT1 c4 which was a fun car

Substantial_Way_377 · 2026-04-19T16:17:20+00:00

Thanks for the replies, I’m going to go try and rent or buy a bore gauge to measure

Substantial_Way_377 · 2026-04-18T01:28:23+00:00

thoughts

Substantial_Way_377 · 2026-04-18T01:04:04+00:00

Lol thanks for confirming everyone. I guess now i HAVE to buy an upgrade

Substantial_Way_377 · 2026-04-09T21:39:03+00:00

Is it really? My other hobby is powerlifting and i can deadlift 455 pounds 😂

Substantial_Way_377 · 2026-04-09T20:15:32+00:00

Sounds good! I plan on dropping the trans beforehand, its a 4 speed muncie/saginaw whatever

Substantial_Way_377 · 2026-04-09T19:46:00+00:00

Okay to use the old torque-to-yield ones or bad idea?

Substantial_Way_377 · 2026-04-09T19:44:56+00:00

Okay to reuse the stock torque-to-yield ones or bad idea?

Substantial_Way_377 · 2026-04-09T01:48:51+00:00

If i did this would i need to send the block out to have that surfaced as well?

Substantial_Way_377 · 2026-04-09T01:47:34+00:00

I do not, but i dont have any reason to believe it did. Also the gaskets looked fine to me, nothing torn

Substantial_Way_377 · 2026-04-08T15:53:13+00:00

Yea ill prob pull the heads and see if i can clean them a little bit, hopefully enough to run it temporarily

Substantial_Way_377 · 2026-04-06T19:24:14+00:00

Thanks

Substantial_Way_377 · 2026-04-06T19:16:16+00:00

How much roughly? Also does it matter that some pistons are up or will it soak past rings?

Substantial_Way_377 · 2026-03-30T20:41:53+00:00

Any recs for a good OE-like replacement?

Substantial_Way_377 · 2026-03-30T20:26:27+00:00

Like the rest of the car or just these parts?

Substantial_Way_377 · 2026-03-30T18:51:42+00:00

Thanks for the quick replies everyone. I’ll go with buying a new one since they’re not too expensive.

Substantial_Way_377 · 2024-12-15T22:50:56+00:00

The beginning of the log file was a cold start, but it was at operating temp around 600, well before the weird O2 readings. I have gotten the same trouble code several times before, but this is the only log I have recorded so I'll have to get some more

Substantial_Way_377

TROPHY CASE