Recent content by LARRY70GS

  1. LARRY70GS

    Need Rocker Arms!

    Have you tried in Parts Wanted on V8?
  2. LARRY70GS

    Need Rocker Arms!

    You can get stock push rods from Rock Auto, https://www.rockauto.com/en/catalog/buick,1967,special,4.9l+300cid+v8,1319116,engine,push+rod,5648 TA Performance sells reconditioned individual rocker arms, and entire assemblies (TA 1300-215). They require your assembly as a core though.
  3. LARRY70GS

    ISO 430 head rocker parts

    <img src="https://i.ibb.co/tZ9Rvwz/Lifter-Generation-Notes.jpg" alt="Lifter-Generation-Notes" border="0">
  4. LARRY70GS

    ISO 430 head rocker parts

    If you want to use them with 455 lifters, you'll need hybrid pushrods. From the TA Performance Catalog. <a href="https://ibb.co/Jx9ZGWq"><img src="https://i.ibb.co/tZ9Rvwz/Lifter-Generation-Notes.jpg" alt="Lifter-Generation-Notes" border="0"></a>
  5. LARRY70GS

    ISO 430 head rocker parts

    Those are 1967 Rocker arms for the 400 or 430.
  6. LARRY70GS

    ISO 430 head rocker parts

    If you use 455 lifters and push rods, you need to block off the passages in the block and heads. The 455 oils through the lifter pushrods. Post a picture of the rockers, pre 70 rockers are markedly different in appearance.
  7. LARRY70GS

    ISO 430 head rocker parts

    TA performance has reconditioned early rocker assemblies, but they require your cores. Are you oiling through the block/heads or through the lifter/pushrods?
  8. LARRY70GS

    head light accessories for 1968 Skylark

    These are for 69-72, http://www.oldbuickparts.com/product_info.php?cPath=22_479_483&products_id=10353 Not sure if/how 68 is different.
  9. LARRY70GS

    head light accessories for 1968 Skylark

    https://www.opgi.com/fasteners-hardware/exterior-clips-screws/headlight-adjustment-screw6/headlamp-adjust-screws-w-nuts-pp0022.html https://www.opgi.com/moldings/front-end-moldings/headlight-adjustment-springs/spring-headlight-adjustment-1968-70-a-body-4-required-pp00023.html
  10. LARRY70GS

    1976 455 Riviera Engine with 1970 heads 1231786 CR?

    http://taperformance.com/proddetail.asp?prod=TA%5F1607 IMO, custom pistons with a .038" overbore are the way to go. Yes more expensive, but you can custom specify both compression height and dish/valve notch cc's. That way, you get a zero deck short block that you can use as a stepping zone...
  11. LARRY70GS

    1976 455 Riviera Engine with 1970 heads 1231786 CR?

    The 1975-6 pistons actually have a shallower dish, but they sit further down in the hole at TDC, could be as much as .065". 69cc is optimistic, my original 70 Stage 1 heads measured 72cc. But even with 69cc heads, this is probably the best you could hope for.
  12. LARRY70GS

    Will i break it?

    With the 455 he described, I would expect traction to be a problem if it is running correctly. Wheel spin won't break any thing unless it is suddenly and abruptly hooked up. That's unlikely on the street, and a maybe at the track. I still wouldn't worry about it on Drag Radials. Neutral...
  13. LARRY70GS

    Will i break it?

    Agreed, but did I miss something? Who mentioned neutral drops?
  14. LARRY70GS

    Will i break it?

    The important thing to remember is that new aftermarket parts are available for the early BOP 8.2 10 bolt rear, gears, posi units, etc. Not so for the 68-70 Buick only 8.2 10 bolt. There are NO new gear sets available for the 68-70 rears. You can get Posi carriers, but they are more...
  15. LARRY70GS

    Will i break it?

    That 400 can take anything you throw at it. They are very tough transmissions. Ditto for the rear. Traction will put more stress on it, but the BOP 8.2 has bolt in axles, and is a sturdy rear. Even if you did break it, parts for that rear are readily available anywhere.
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