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Speedway Double Pass Aluminum Radiator, Chevy

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Specs
Material Type:
Aluminum
Tube Style:
Crossflow
Sold in Quantity:
Each
Row Quantity:
Dual
Outlet Location:
Lower Right
Finish:
Natural
Inlet Location:
Upper Right
Radiator Style:
Double Pass
Transmission Cooler:
No
Shroud:
No
Overall Height:
19.00
Overall Width:
-
Overall Thickness:
3.00
Inlet Size:
1.50
Core Height:
18.25
Core Width:
-
Core Thickness:
2.25
Tube Size:
1.00
Filler Neck Height:
1.00
Speedway Double Pass Aluminum Radiator, Chevy
Speedway Double Pass Aluminum Radiator, Chevy
Speedway Double Pass Aluminum Radiator, Chevy
Speedway Double Pass Aluminum Radiator, Chevy
Speedway Double Pass Aluminum Radiator, Chevy
VIDEO
Speedway Double Pass Aluminum Radiator, Chevy

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Details

Reviews (44)

Q & A (12)

What's in the Box

Info

Leave it to Speedway Motors to offer you a professional quality aluminum racing radiator at an affordable price. This double pass radiator works well for oval track racing applications where maximum efficiency is needed. The double pass design offers a 5 to 20 degree coolant temperature drop versus a standard, single pass radiator with equal core size. 

This double pass radiator features 100% all-aluminum construction. The furnace-brazed core increases durability compared to other radiators with epoxy-glued or crimped-gasket sealing methods. Two rows of 1 inch aluminum tubes allows this radiator to out cool  a similarly sized radiator with five rows of copper tubes. A rugged billet aluminum filler neck with screw-in bleed is also included.

This radiator is designed for Chevy applications with both water necks on the passenger side. The upper inlet measures 1-1/2 inches outside diameter and the lower outlet measures 1-3/4 inches outside diameter. The radiator is available in 22", 24", 26", 28", or 31" widths, including the end tanks. All sizes are 19 inches tall.

  • All-aluminum, furnace-brazed construction
  • No epoxy, glue or crimped in gaskets
  • Maximum amount of fins per inch allows greater heat transfer
  • Two rows of 1" aluminum tubes (out cools five rows of copper)
  • Billet aluminum filler neck
  • Available in 22", 24", 26", 28", or 31" width (measurements include tanks)

Learn more about how radiators work and selecting the proper radiator for your vehicle by reading our tech article. Radiator Cooling Performance.

Customer Reviews

Rated 4.7 out of 5 by 44 reviewers.
RATING BREAKDOWN
44 reviews
5 Stars
36
4 Stars
6
3 Stars
0
2 Stars
2
1 Star
0
RECOMMEND THIS PRODUCT:

Chris
Verified Purchaser
Verified Reviewer
Kearney, NE

26" dual pass radiator

September 05, 2016
Fit my 1963 C10 with a 500hp 406 SBC and cooled it great.
Pros:
  • Great Item
  • Great Price
Yes, I recommend this product.
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Wes
Verified Purchaser
Verified Reviewer
Burleson Texas

Great radiator cant beat the price

August 10, 2016
I installed this in my 2002 Blazer with an LS swap to replace a parts store rad that had leaked 3 different times, I ordered wrong and customer service was quick to send out the correct one at no charge. Now it's running nice and cool in 105 deg temps with no leaks. Thanks Speedway!
Pros:
  • Well Built
  • Great Price
Yes, I recommend this product.
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Paul
Verified Purchaser
Verified Reviewer
Hamburg, IL

Double Pass Radiator

July 27, 2016
Great Price, Fits Great, Built Just As Described !
Yes, I recommend this product.
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Lucky 13
Verified Purchaser
Verified Reviewer
Phoenix az

15 degrees cooler than singlepass radiator

July 24, 2016
Radiator has same dimensions as single pass and 15 degrees cooler mission accomplished
Yes, I recommend this product.
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RTRacing94
Verified Purchaser
London Ky

Better than the AFCO double pass

July 19, 2016
Put this radiator in and my temperatures came down by 15 degrees and we were running on a hotter night. Good buy and a whole lot less money
Yes, I recommend this product.
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Mustang ministocker
Verified Purchaser
Verified Reviewer
Arlington, wa

Cooler than cool

July 13, 2016
Keeps my ministock ford 2.3 nice and cool
Yes, I recommend this product.
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wannaberancher
Verified Purchaser
north dakota

Lots of water

June 21, 2016
I noticed that the tanks are larger on the speedway 31" versus the afco 31". But the speedway don't have much of a lip to screw a shroud to. It works well though.
Pros:
  • Tanks Are Large
Cons:
  • Hard To Mount Shroud
Yes, I recommend this product.
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Jp
Verified Purchaser
Mo

Awesome just awesome!

June 17, 2016
Delivered super fast, great looking unit, well constructed and works wonderful. . Good upgrade to most cooling systems.
Yes, I recommend this product.
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Frankie Fresh
Verified Purchaser
Verified Reviewer
St. Louis Missouri

Speedway Double Pass Aluminum Radiator

June 13, 2016
Installed in a Impressive Bmod. Works flawlessly, built well, and keeps motor around 200 degrees.
Pros:
  • Fits Perfects
  • Cost Less Than Others
Yes, I recommend this product.
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Lemons racer
Verified Purchaser
phila pa

perfect, if the cap fits

May 24, 2016
I have ordered a total of four of these. Two arrived with defects in the filler neck that prevented the cap from going on. The other two are perfect. After blowing head gaskets using another radiator, I have been using these for 4 years road racing/ endurance racing, even during record heat 108 degree weather, 9 hours on the track with excellent results. Highly recommended, great value.No reason to spend more.
Pros:
  • Serious Cooling Power
  • Durable
  • Easy To Install
  • Lightweight
  • Well Made
Cons:
  • Filler Neck Flaw
Yes, I recommend this product.
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Page 1 of 5

Product Q&A

12 questions : 14 answers

1 answers

What is the max pressure for this radiator...the highest pressure cap that can be used?

ukyman
March 26, 2015

What is the max pressure for this radiator...the highest pressure cap that can be used?

Answers

March 26, 2015
EricM
In racing applications we commonly use a 28 to 32 psi radiator cap such as 91015707 or 91015628. You can certainly run a lower pressure cap if your application doesn't require a 32 psi cap.
1 answers

do you use a special top hose for sbc engines or change water neck?

bmod
June 10, 2014

do you use a special top hose for sbc engines or change water neck?

Answers

June 11, 2014
EricM
We typically use a pivoting water neck such as 91015821 or 91015820 along with a flex hose when using a double pass radiator with a SBC engine
1 answers

Is there material at the top and bottom of the radiator to drill through for mounting?

ukydude
December 17, 2013

Is there material at the top and bottom of the radiator to drill through for mounting?

Answers

December 17, 2013
EricM
There is a small flange at the top and bottom that is approximately 1/2" tall which can be used to mount the radiator. You may also be interested in one of our mounting kits which is part number 91734700.
2 answers

bottom outlet I need a 22 inch wide...which way does the bottom outlet point? It does look like it is mounted at an angle, from the pics. If it is straight and pointed to the water pump outlet it won't work on my truck. If it is straight and pointed down, it will work.

rebel
August 27, 2013

bottom outlet I need a 22 inch wide...which way does the bottom outlet point? It does look like it is mounted at an angle, from the pics. If it is straight and pointed to the water pump outlet it won't work on my truck. If it is straight and pointed down, it will work.

Answers

September 06, 2013
fordmod
Its pointed towards the water pump
August 27, 2013
Jason
The bottom outlet on the Speedway double pass radiator comes out straight and pointed in towards the center of radiator.
1 answers

Is there a fan shround that fits this radiator?

lfagan
Virginia
June 19, 2013

Is there a fan shround that fits this radiator?

Answers

June 20, 2013
Jason
The Speedway double pass radiator is offered in 22", 24", 26" 28" and 31" wide. If needing shroud only, Speedway offers part #91734300 that will work with the 22" and 24". We also offer a universal aluminum shroud part #9174022 that is 22" wide and part #9174032 that is 26" wide.
1 answers

exact dimensions I need to know the exact overall dimensions not including the filler neck on part number 917340-28

diehardgm
March 05, 2013

exact dimensions I need to know the exact overall dimensions not including the filler neck on part number 917340-28

Answers

March 05, 2013
Jason
The 28" speedway double pass radiator has the following dimensions: Overall Width : 28.00 " Overall Height : 19.00 " Overall Thickness : 3.00 " Core Width : 22.75 " Core Height : 18.25 " Filler Neck Height : 1.00 " Radiator Style : Double Pass Inlet Location : Upper Right Outlet Location : Lower Right Inlet Size : 1.50 " Outlet Size : 1.75 " Row Quantity : Dual Tube Size : 1.00 " Tube Style : Crossflow Transmission Cooler : No Material Type : Aluminum Finish : Natural
1 answers

What is the dry weight of this radiator?

August 24, 2011

What is the dry weight of this radiator?

Answers

August 25, 2011
Jason
The weight will depend on which size you get. 22" - 15 pounds 24" - 15.5 pounds 26" - 16 pounds 28" - 17.5 pounds 31" - 21.2 pounds
2 answers

How much of a gain would you typically see with a double pass over a standard radiator?

May 18, 2011

How much of a gain would you typically see with a double pass over a standard radiator?

Answers

September 06, 2013
fordmod
If your talking about temp wise my race car went from 220+ degrees after a race with a single pass radiator to 190 - 200 degrees after a race with a double pass radiator
May 18, 2011
Jason
There maybe a 5-10 degree change but this will depend on application. Is standard radiator working at or beyond its peak? Engine temperatures are often dictated more by fuel/ignition systems than by cooling system. Also water pumps are as key in a cooling system as a radiator.
1 answers

How many fins per inch are used? Also, the lower 1-3/4 hose, is it angled at all? Is it similar in angle to the Afco?

ScottR
Ohio
March 25, 2011

How many fins per inch are used? Also, the lower 1-3/4 hose, is it angled at all? Is it similar in angle to the Afco?

Answers

March 30, 2011
Mike
Thanks for your inquiry into our products, there is a variety of fin counts but generally they range from 11-18 per inch. The lower hose is angled but I cant tell you if it is exactly the same as Afco but it will be similar.
1 answers

Will a 26 x 18 fan shroud work on the 31x19 rad

some dude
18951
May 25, 2015

Will a 26 x 18 fan shroud work on the 31x19 rad

Answers

May 27, 2015
Eric
Expert
The core width of the 31" wide radiator is 25 3/4" so you will need to trim a 26" fan shroud some in order for it to fit properly.
Page 1 of 2

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