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  1. thumper460

    help with smoke problem

    Whoa.... if smoke on start and then goes away.. possible valve guide seals!! Smoke under power.. again seals and possible rings.. check the ign timing and if it is good.. look into seals.. just a guess!! Just me............................. Thumper
  2. thumper460

    Poor times at strip

    14.20 and a 2.11 60 ft.. is ok!! if the tires were better and you changed NOTHING ELSE.. and you managed a 1.80 60 ft ( and that is pretty standard..) your ET will be 13.60 - 13.70's!! as you know.. the bottleneck is now the heads.. if you have the time.. I would advance the F cam 4* and...
  3. thumper460

    Who can port my stock GT40 heads?

    Thanks guys... yes, the two heads have the same port and bowl work, the cost differance is the springs!! the only set of heads I had fail.. ( yeah, it happens) was a set pushed beyond the valetrain limits... Long over revs.. SO I strongly suggest the spring up grade!! cool?? Yes the springs...
  4. thumper460

    Help with my combo.

    Boosted engine... doesnt need the bad a$$ heads as the n/a engines... you are forcing the air!! Get on ebay or the classifieds and see what you can find.. However a set of ported E7s or GT40s will allow over 475 WHEEL HP!! SOOOooo... if the name is the game.. anty up the bucks!! If power is...
  5. thumper460

    GT40P Valve and Spring questions

    I have a set of drop in double spring set for the hyd roller cams up to .600 lift!! Vasco springs/ moly retainers/ and keepers... great for the GT40 and or the E7s with 1.800 installed height!! Shoot me a pm!! Just me.................................... Thumper
  6. thumper460

    Which is a better way to spend my money?

    It is the money for the power.... cool?? the GT40s rock!! add a good valve job... they are better, up grade the springs for the cam... now you are getting there!! Heads..$350-400.00, Valve job...$ 195-250.00, Springs moly retainers and keepers...$ 145-175.00, any machine work to fit the...
  7. thumper460

    how much hp with thumper and e cam

    Ok.. I'll go out and say.. with what you have, Installing the Ported E7s.. and the E303 camshaft.. seeing how the heads are going to tie all the combo together.. I should think that 40-55 HP should be there after the H/C !! I suggest installing the FMS E cam in 4* advanced!! and your...
  8. thumper460

    what size pushrods to buy for Coast 306/Thumper?

    The cam base circle will determin the push rod length.. the stock heads ( yep ported) stock push rods.. stock rockers... they all bolt on!! wait till you have the heads/cam/ rockers/ on and then check the push rod length... as far as streangth.. stock will carry the load fine!! hve fun.. Just...
  9. thumper460

    Thumper, Tmoss dyno numbers

    Rocking.... numbers!! and you are right.. open the hood and look as simple as possibe and say..." stock heads and a small cam... Why??" LOL To answer the posts above... I do all heads.. Edelbrock/ TF / Canfield/ RPM/ Vic... we are seeing over 30-50 HP from what the heads were doing BEFORE...
  10. thumper460

    f303 0r b303 camshaft ?

    Actually.. yes all three cams will show a different performance gain. That is DIFFERENT gain!! Just lift differance will make Just different power gains.. advancing the cam when you install .. will make different gains... Now the sounds of the cam?? same as all the rest.. it depends on the...
  11. thumper460

    Are 1.90 edelbrock heads ok for a 331 or 347 stroker?

    Here is something I like to reflect on.... Remember: More Flow Doesn't Always Equal More Power !! But Less Velocity Usually Equals Less Power !!! Huge holes can sux!! Have Jay make those Brocks work with the right camshaft... Just me...................................... Thumper
  12. thumper460

    Are 1.90 edelbrock heads ok for a 331 or 347 stroker?

    1.90s will be fine.. the carb IS too small... the 750 vac is a better all the way around!! Just me................................................. Thumper
  13. thumper460

    clevland heads

    320 CFM intake runners.... they rock!! 302 crank.. 289 con rods.. BOSS 302 piston.. 7500 rpm all day!! Just me.................................. Thumper
  14. thumper460

    nitrous ???

    read the instructions... guys BLOW OUT cause they DONT READ!! LOL NOS is the best bang for your buck out there... I ran 250 for years... and smoked a lot of " OHHHH Nitirous will blow up" cars...LOL Just me................................... Thumper
  15. thumper460

    Help me ID parts on my new 5.0 engine (I'm swapping into a '67)

    #2 is a oil pressure fitting ... it isnt used!! it will show pressure AFTER the cam bearing Just me................................... Thumper
  16. thumper460

    HCI + SC

    DOOOooooo....IT!! 450 WHP is cake with ported E7s or gt40s and the FMS E cam!!! add more get more!! Cool?? Just me.............................................. Thumper
  17. thumper460

    351 windsor heads???

    The W heads are the SAME as the 5.0 heads ( today) only the head bolt holes are larger for the 1/2 head bolts on the W engine!! Back in the day ( 1969 and 1970 ) the W heads were different... but to have those OLD heads re-worked for unleaded gas.. possible valve guides/ valves/ and hardened...
  18. thumper460

    too much head

    TOO much head for stock fuel system!! The statment is totally wrong!! it should be stock fuel system what heads!! Guys.. this isnt rocket science here.. the 5.0 is a SMOG motor!! It runs lean and hot!! more power jack the fuel /change the t-stat, and fail the smog test!! There are a LOT...
  19. thumper460

    B cam with AOD

    It was said above... higher stall ( 2200-2400 ) and ADVANCE the B cam 4* and it will work killer!! Just me............................ Thumper
  20. thumper460

    429bb with auto or toploader 4 speed?

    Cool.. that kit on E-bay is the right stuff, and the cost is less than the 70's prices!! Just when you ship the trans.. make sure that smelly gear oil is all out... man that stuff stinks!! LOL Just me........................................... Thumper PS: I was shown how to rebuild...
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