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Performance Parts For Sale/Wanted Just Performance, non-stock, trailers, tools and related accessories here. |
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#21
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The Pontiac heads were always alot more $ than the Olds or Chevy heads. I've been waiting for them to come down as I knew the eventually would. I ended up buying 2 sets.
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#22
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I just bought a pair of bare heads for that price myself. I can build them later to fit whatever engine I put together in the future.
$957.00 for the bare set and free shipping. |
#23
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I ordered a set.
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#24
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Can these be wide ported I know pushrod holes need to be plugged up
Just havent seen any info in them except for early on |
#25
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I ordered a set today 1140 shipped. No tax, the only benefit to living in New Hampshire.
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The Following User Says Thank You to ta-69 For This Useful Post: | ||
#26
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I do not see a option to get them without pushrod holes drilled so you can wide port them without welding up and re drilling. They weigh less than E heads, that materiel has to come from somewhere. Are the decks as thick, can they be ported as far as a new E head ?
And they are made overseas, there is that to consider for some. But they are a bargain. |
#27
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heads
i snagged a bare set for $485
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#28
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How did you pull that off? A single head was $478.50 during the sale.
Clay |
#29
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Probably only bought 1. |
#30
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I spent over a week on them, I just did a set of SM heads and and matched the one's I did 10-years ago where I got 305 cfm. I actually got all most 315 In just 2-day's. Every thing seams better, the matirial the valves the valve job I was able to remove the pushrod bulge almost completely. So I think they are a lot better. GT. |
#31
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they have fried rice in the water passages. you must put the heads in boiling water then add some soy sauce and dump out in a bowl and eat.
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It is easier to fool a man than it is to convince he has been fooled |
#32
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i'm guessing this would work. Edelbrock 9667
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1979 Firebird Trans Am 301/4spd (Now 428) 1977 Firebird Formula 400/Auto 2007 Grand Prix GXP 5.3L Last edited by 74Grandville; 12-02-2020 at 01:58 PM. |
#33
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Pce251.1026
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#34
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Great info, keep it coming. I figured they were probably around 280-cfm as cast (like the E-heads).
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Just a blind squirrel looking for a nut. |
#35
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looks like they use 45 degree seats on the intake. the bottom cut looks radius. additional things i had to buy, spark plugs, head bolts, pipe plug and nipple for heater core.
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1979 Firebird Trans Am 301/4spd (Now 428) 1977 Firebird Formula 400/Auto 2007 Grand Prix GXP 5.3L |
#36
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you got them already? or was this a previous order?
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1969 carousel red firebird 455, richmond 5 speed 1964 540 gto 1971 lemans sport convertible 1972 Maverick under slow construction |
#37
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i was probably the first to buy.... i ordered mine at 10pm thursday night once the price changed. The site said "in-stock" it now says "build to order"
I got mine Wednesday. with what happen last year, i have a feeling they ship them out as they are available. Some folks had to wait 6+ months.
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1979 Firebird Trans Am 301/4spd (Now 428) 1977 Firebird Formula 400/Auto 2007 Grand Prix GXP 5.3L |
The Following User Says Thank You to 74Grandville For This Useful Post: | ||
#38
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Quote:
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#39
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There was/is a sale on speedmaster Olds heads, $228 each, bare.
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Clutch Guys Matter _______________________________________ 53 Studebaker, 400P/th400/9" 64 F-85 72 4-4-2 Mondello's VO Twister II 84 Hurst/Olds #2449 87 Cutlass Salon 54 Olds 88 sedan |
#40
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I am no expert, but they look really nice. I got the complete heads for FT. I will end up taking them apart to go through them. There are some sharp edges on the intake ports that I want to clean up as well as elongate pushrod holes for 1.65 rockers. I read they are setup for .580 max lift. The valves are 1.8 installed height.
I also want to ensure the guides are not too tight. There is no slop in the valve which is good, but I’ve had a valve seize before and don’t want that to happen again. I’ve only played with d-ports so having such a nice head is new to me. Sent from my iPhone using Tapatalk
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1979 Firebird Trans Am 301/4spd (Now 428) 1977 Firebird Formula 400/Auto 2007 Grand Prix GXP 5.3L |
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