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Old 06-09-2014, 04:44 PM   #1
wdsteeves
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Question Header choices for 65 4x4

Looking to replace headers on 65. Have uncoated ugly now. Have coated on my K5 and want to go the same. Vendors don't show listing for 65 4x4. I'm sure these are long tube now,10.25 inch from end of flange to end of collector. I have no x member for engine mounts and have mini starter so ample room. Anyone know of tried and true brand, part #? Any help/input appreciated,Thanks
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Old 06-09-2014, 10:37 PM   #2
Campbel45
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Re: Header choices for 65 4x4

If yours is an automatic doug thorley has headers that will work
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Old 06-10-2014, 01:05 PM   #3
wdsteeves
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Re: Header choices for 65 4x4

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Originally Posted by Campbel45 View Post
If yours is an automatic doug thorley has headers that will work
Truck is standard trans with 350.
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Old 04-26-2019, 05:04 AM   #4
68GMC2500
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Re: Header choices for 65 4x4

Was wondering if you found some headers that fit.
I have a 1963 k10 that I just swapped in a 350 with manual trans
Thanks.
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Old 04-26-2019, 05:05 AM   #5
68GMC2500
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Re: Header choices for 65 4x4

Was wondering if you found some headers that fit.
I have a 1963 k10 that I just swapped in a 350 with manual trans
And looking for some.
Thanks.
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Old 04-27-2019, 12:42 PM   #6
'63GENIII
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Re: Header choices for 65 4x4

I have Thorleys on mine. Even though its a not a SBC, they fit nice and are really well built.
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'63 k15 long step
Vortec 7.4 - L29 Blackbear tune, Five 0 Motorsports injectors, Chris Straub Cam, NV4500, divorced 205
52" front and 63" rear spring swap
D44 / 14bff - disc axles
Milemarker 9K and 10.5K hydraulic winches

63" & B52 Spring Install http://67-72chevytrucks.com/vboard/s...ng+swap+thread


NV4500 Reverse Build Thread http://67-72chevytrucks.com/vboard/s...=reverse+build

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Old 05-15-2019, 12:49 PM   #7
pheengurs
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Re: Header choices for 65 4x4

currently on my 64 k10 with the 383 sbc and stock sm420 trans, I've got these sanderson block huggers:

https://www.sandersonheaders.com/san...ab-description

I've had plenty of problems with the collector flanges, and after finding they cracked after roughly 5 years, I cut them off and welded tubes downward to solve that. however there were other cracks formed all over the place...

so I did the same searches on the 60-66 forum which in their faq has plenty of header choice posts...

based on those posts, I settled on Hedman long tube #69090

https://www.hedman.com/product-detail/69090

*** note: I have not installed them yet .. but from previous posts, they'll work without 'too much hassle' ... which was the best endorsement I could find
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1964 K10 shortbox Stepside
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rolling on 33x12x15 tires on 6 lug rims.
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Old 06-13-2019, 11:28 AM   #8
68GMC2500
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Re: Header choices for 65 4x4

Found these on Summit website 1966 CHEVROLET K10 PICKUP Flowtech Headers 11500FLT.
1966 frame same 1963 to 66
Going to give them a try, will let you know.
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Old 07-14-2019, 02:03 PM   #9
pheengurs
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Re: Header choices for 65 4x4

Quote:
Originally Posted by 68GMC2500 View Post
Found these on Summit website 1966 CHEVROLET K10 PICKUP Flowtech Headers 11500FLT.
1966 frame same 1963 to 66
Going to give them a try, will let you know.
awesome! I cannot get summit to say they'll fit my 64... despite my entering the engine swap to a gen 1 sbc...

I have not yet installed my new hedmans, been blindsided by suspension woes.

please let us all know how it works out!
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1964 K10 shortbox Stepside
383 sbc stroker under vortec heads
sm420 trans / t221 tcase / corp 10 front axle / corp 12 rear axle / 3.73 gears
rolling on 33x12x15 tires on 6 lug rims.
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Old 07-15-2019, 11:37 PM   #10
GSP7
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Re: Header choices for 65 4x4

I have Doug Thorleys probably 25 years old on my k20 put on with new motor. Thick wall nickle plated.

Never leaked, never rusted, never had to retighten any bolts

Great headers
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Old 07-18-2019, 09:17 AM   #11
pheengurs
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Re: Header choices for 65 4x4

Quote:
Originally Posted by GSP7 View Post
I have Doug Thorleys probably 25 years old on my k20 put on with new motor. Thick wall nickle plated.

Never leaked, never rusted, never had to retighten any bolts

Great headers
WOW! that's what I expected out of my samson headers, and to my disappointment, they failed at nearly everything except sealing at the heads, by the time 5 years rolled over...

I guess that's why DT's are (at least from what I've seen thus far) the most expensive headers ever... you get what you pay for... lets see a pic of these 25 year old headers!
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1964 K10 shortbox Stepside
383 sbc stroker under vortec heads
sm420 trans / t221 tcase / corp 10 front axle / corp 12 rear axle / 3.73 gears
rolling on 33x12x15 tires on 6 lug rims.
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Old 07-24-2019, 12:05 AM   #12
'63GENIII
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Re: Header choices for 65 4x4

Quote:
Originally Posted by GSP7 View Post
I have Doug Thorleys probably 25 years old on my k20 put on with new motor. Thick wall nickle plated.

Never leaked, never rusted, never had to retighten any bolts

Great headers
^^^^ Same story here. Tightening the header bolts after break in was on my "after break in list" to do. Never got around to it. Didn't need to. No leaks after 3-4 years I think. Mine were given to me by a square body guy who had a custom set made. I had to put a little half moon notch in the upper passenger side frame rail but that's it.

Not nickle plate ( I wish) but ceramic or jet hot. Still silver. No rust.
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'63 k15 long step
Vortec 7.4 - L29 Blackbear tune, Five 0 Motorsports injectors, Chris Straub Cam, NV4500, divorced 205
52" front and 63" rear spring swap
D44 / 14bff - disc axles
Milemarker 9K and 10.5K hydraulic winches

63" & B52 Spring Install http://67-72chevytrucks.com/vboard/s...ng+swap+thread


NV4500 Reverse Build Thread http://67-72chevytrucks.com/vboard/s...=reverse+build

L29 - 7.4 Vortec Build http://67-72chevytrucks.com/vboard/s...&highlight=L29
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