Selecting Cylinder Heads

Discussion in 'Engine Topic' started by Riley, Mar 13, 2021.

  1. Steve74

    Steve74 Steve 74

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    Brodix IK 180 Aluminum SBC Heads. Made in USA and available right around 1k on Jegs or Summit
     
  2. Riley

    Riley Veteran Member

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    Haha. For some reason the 700r4 just doesn't seem to work well with my setup. It's almost like first gear is too low of a gear and doesn't last long enough before shifting. I will miss the overdrive gear though. I run 3.73 rear gears so maybe that's why it doesn't work well for me.
     
  3. Lowend

    Lowend Administrator. .a car, a man, a maraca. Staff Member Lifetime Gold Member

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    The 700R4 does have a super short first gear, 3.059 vs TH350's 2.52
    I think you'll be hating life on the freeway with 3.73 gears and no OD.
     
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  4. DesmoEd

    DesmoEd Veteran Member

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    I don't know the used parts market in BC, but here in the states CL and other forums are full of sbc parts. I ended up with the Edelbrocks on the 355 in my Camaro by chance after spending several months gathering parts. I was waiting to buy heads when a 383 ci longblock with some decent parts came up for sale locally. It had RPM heads along with a nice set of Crane roller rockers and a Perf RPM intake. Bought the whole thing for $1800, sold the short block for $1200 and then the intake/rockers for $100 each leaving me with the Edelbrocks for ~$400 total invested. Hard to pass em up at that price. Either way, with the selection of alum heads today, I would not put any money in iron heads unless I was doing an original restoration.
     
  5. Riley

    Riley Veteran Member

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    I know exactly what you mean. When I use to run the th350 transmission I didn't like going over 80 kmph hahaha. It's the reason why I converted to the 700r4 but I miss how the th350 worked for me.
     
  6. G72Zed

    G72Zed Veteran Member

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    Had a nice fresh set of bare Vortec 906's in my hands today....one look into the intake port, just one look, then the G-spot finger hook over the short side, It almost makes me angry in the amount of time I spent/worked on the old 461/291/441/882's back in the day....oh well.
     
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  7. sandlapper

    sandlapper Veteran Member

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    the "G-spot" LOL ... but seriously true
     
  8. Lowend

    Lowend Administrator. .a car, a man, a maraca. Staff Member Lifetime Gold Member

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    Frankly, I'd do a gear swap before I got rid of the 700R4
    Dropping the rear to a 3.23 gear (I'd probably go 3.42) will have the same effect on the 1st gear ratio, without destroying your cruising ability. It's not an accident 3rd Gen's had a 3.23 rear gear
     
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  9. Riley

    Riley Veteran Member

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    Thats a great alternative idea. Thanks for the input.
     
  10. Riley

    Riley Veteran Member

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    So today I purchased a full 1997 350 vortec motor. Paid $175 Canadian. It's has the vortec heads ending in numbers 906. I took a gamble and havn't been able to get a good look at them. Will take them off soon and check for visible cracks. I'm going to find a good machine shop as well and get them checked, possibly plained.
     
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