Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks


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Show Cars phone no. 5073541958. Email at showcars@newulmtel.net


Jon T.
Wilwood Engineering1955-1957

Willwood Engineering

Wilwood Engineering designs and manufactures high-performance disc brake systems.
Wilwood Engineering, Inc. - 4700 Calle Bolero - Camarillo, CA 93012 - (805) 388-1188


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great...

thanks, jon...

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A/C 327 cars had the the same radiator as the 409 cars. The factory radiators had a three row core but, the tubes were larger, more surface area to cool with four rows then three. The core dimensions are the same, internally is the difference. I think their radiator is around $400 plus shipping. When you order ask for Bruce. they are the best vendors for these cars, mostly deal in 409's and 348's


John



1954 Belair Sport Coupe
1960 2 door Impala Hardtop 348/340HP 4spd
1962 2 door Impala Hardtop 409/409 4spd
1962 2 Door Biscayne Sedan 327/250 Auto
1977 Monza Mirage 305 4 Speed
1988 Celebrity Wagon
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my conversation with them yesterday was helpful and their price is good...I was surprised that they ship via usps at a cost of $80...

but thanks, john...I can order with confidence now...

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Originally Posted by John 348/340HP
A/C 327 cars had the the same radiator as the 409 cars. The factory radiators had a three row core but, the tubes were larger, more surface area to cool with four rows then three. The core dimensions are the same, internally is the difference. I think their radiator is around $400 plus shipping. When you order ask for Bruce. they are the best vendors for these cars, mostly deal in 409's and 348's


Only the 300hp 327s John. 250hp 327s with A/C did not get that radiator.

Verne

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Originally Posted by Verne_Frantz
Originally Posted by John 348/340HP
A/C 327 cars had the the same radiator as the 409 cars. The factory radiators had a three row core but, the tubes were larger, more surface area to cool with four rows then three. The core dimensions are the same, internally is the difference. I think their radiator is around $400 plus shipping. When you order ask for Bruce. they are the best vendors for these cars, mostly deal in 409's and 348's


Only the 300hp 327s John. 250hp 327s with A/C did not get that radiator.

Verne

Correct, my mistake for not being clearer, thanks


John



1954 Belair Sport Coupe
1960 2 door Impala Hardtop 348/340HP 4spd
1962 2 door Impala Hardtop 409/409 4spd
1962 2 Door Biscayne Sedan 327/250 Auto
1977 Monza Mirage 305 4 Speed
1988 Celebrity Wagon
2018 GMC Sierra 2500 HD Diesel
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jon, john, & verne,
'
thanks again for the good advice...I finally had a chance to call bruce and my radiator is on its way...

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Just to be clear, The 4 row "409" radiator that Show Cars sells does have a thicker core than OEM. The edges of the tank straps have to be trimmed away where they fold around the original core. Photo is of an original.
Verne[Linked Image from vccachat.org]

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yesterday, i installed the new 409 radiator from show cars...but when i went to connect the "gm" stamped upper radiator hose today, i learned that the radiator inlet is three inches further outboard than my original 327 radiator...the lower outlet and hose are perfect...the upper hose is too short (the offset is no longer correct because of the inlet location...

i'm hoping there is a different, molded upper hose available as a fix for the problem?..

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If someone reproduces the upper hose for a 300hp 327 with A/C, it will fit fine because those cars used a "409" radiator. Hose part number 3826902

Verne

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couldn't i just use a 409 radiator hose?..what is the difference?..

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The difference is slight. The 409 is a little longer than the 327 so the outlet on the manifold is in a different place. You could "probably" make the 409 hose work.

Verne

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that's what I expected...

is the centerline offset of the 409 hose 9" (thermostat housing to radiator inlet)?..

what is the distance between rear face of radiator to the round portion of the thermostat housing?..

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Sorry, but I can't get to the car now to get those measurements.

Verne

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is the radiator inlet on a 409 near the edge of the radiator or close to the fan shroud?..

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It's near the outside edge.

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and that centerline of the radiator fill next and the inlet are offset 9"?..

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I'm not sure where the 9" offset you're talking about is.

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sorry...the horizontal distance between the centerline of the fill neck and the centerline of the radiator inlet...

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I'll try to measure it tomorrow if I'm out in the shop.

Verne

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thanks, verne...i appreciate all of your help...

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The parts book lists the same radiator for 1963 with heavy duty radiator, high performannce 327 engine, air conditioning. 409 engine, and....Power Glide transmission.


Gene Schneider
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The only difference being the '63 radiator with a Powerglide had the trans cooler lines in the bottom, where the standard trans radiator didn't have those lines (or fittings). Two different part numbers.

Verne

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The measurement is 9".

Verne

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then in a 409, are both the radiator filler neck and the thermostat housing on the engine aligned to the centerline of the car?.. are they aligned to each other?..

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