Are these numbers any good ?

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Are these numbers any good ?

Post  whitefield on October 10th 2012, 8:04 pm

Heads C8VE-E
Block C8BE-F

I need some help deciding if this engine is worth buying to put 4bolt main caps on . I would like to know if the heads are of any use as mild performance goes. Thanks


Last edited by whitefield on October 11th 2012, 9:46 am; edited 1 time in total
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Re: Are these numbers any good ?

Post  BOSS 429 on October 10th 2012, 8:53 pm

whitefield wrote: Heads C8VE-E
Block C8BE-F

I need some help deciding if this engine is worth buying to put 4bolt main caps on . I would like to know if the heads are of any use as mild performance goes. Thanks
d power

you can install 4 bolt caps on that block,and you can make good power with that head ,what are you sayin is mild ?

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Re: Are these numbers any good ?

Post  whitefield on October 10th 2012, 9:35 pm

I guess what I am asking is how do these heads stack up against the DOVE-C power wise ?

Also does this block have a flat main webb like the DOVE - A and will it support say 900hp with a 521 spinning 7500 rpm with a good set of aluminium heads ?
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Re: Are these numbers any good ?

Post  61coon on October 10th 2012, 10:53 pm

If memory serves me correct,David Cole had/has a C8 block with a Blue Thunder main cap conversion. Ran the piss out of too. I can't remember hp numbers,but i know he had alot of passes on it. Maybe 800-850 hp range??? Correct me if I'm wrong David.
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Re: Are these numbers any good ?

Post  whitefield on October 10th 2012, 11:08 pm

61coon wrote:If memory serves me correct,David Cole had/has a C8 block with a Blue Thunder main cap conversion. Ran the piss out of too. I can't remember hp numbers,but i know he had alot of passes on it. Maybe 800-850 hp range??? Correct me if I'm wrong David.

Does the C8BE-F have flat pan rails or main webbs like the DOVE-A ?
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Re: Are these numbers any good ?

Post  cool40 on October 10th 2012, 11:19 pm

whitefield wrote:
61coon wrote:If memory serves me correct,David Cole had/has a C8 block with a Blue Thunder main cap conversion. Ran the piss out of too. I can't remember hp numbers,but i know he had alot of passes on it. Maybe 800-850 hp range??? Correct me if I'm wrong David.

Does the C8BE-F have flat pan rails or main webbs like the DOVE-A ?
the one i have dont.the D0VE and some D1VE do,and i think i had a C9 block that did. confused
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Re: Are these numbers any good ?

Post  61coon on October 10th 2012, 11:38 pm

whitefield wrote:
61coon wrote:If memory serves me correct,David Cole had/has a C8 block with a Blue Thunder main cap conversion. Ran the piss out of too. I can't remember hp numbers,but i know he had alot of passes on it. Maybe 800-850 hp range??? Correct me if I'm wrong David.

Does the C8BE-F have flat pan rails or main webbs like the DOVE-A ?

No.The thick web blocks are the DOVE blocks. Also, EARLY D1 blocks are thick,but are like hens teeth...
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Re: Are these numbers any good ?

Post  cool40 on October 10th 2012, 11:52 pm

61coon wrote:
whitefield wrote:
61coon wrote:If memory serves me correct,David Cole had/has a C8 block with a Blue Thunder main cap conversion. Ran the piss out of too. I can't remember hp numbers,but i know he had alot of passes on it. Maybe 800-850 hp range??? Correct me if I'm wrong David.

Does the C8BE-F have flat pan rails or main webbs like the DOVE-A ?

No.The thick web blocks are the DOVE blocks. Also, EARLY D1 blocks are thick,but are like hens teeth...
Very Happy i have one.
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Re: Are these numbers any good ?

Post  BOSS 429 on October 11th 2012, 9:16 am

whitefield wrote:I guess what I am asking is how do these heads stack up against the DOVE-C power wise ?

Also does this block have a flat main webb like the DOVE - A and will it support say 900hp with a 521 spinning 7500 rpm with a good set of aluminium heads ?
---------
c8 head is the same thunderjet head as a dove, a c8 block on the other hand is not, and does not have a DOVE style main web,there are a few diff companys that nake a good cap for them. They (C8'S) have std webbing
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Re: Are these numbers any good ?

Post  whitefield on October 11th 2012, 9:18 am

This is a 68 thunder jet engine out of a 68 thunder bird. I thought I would be getting a good strong standard bore block for the 4bolt caps !
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Re: Are these numbers any good ?

Post  BOSS 429 on October 11th 2012, 9:20 am

whitefield wrote:This is a 68 thunder jet engine out of a 68 thunder bird. I thought I would be getting a good strong standard bore block for the 4bolt caps !




Nothing wrong with them, seen over 800hp with them
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Re: Are these numbers any good ?

Post  whitefield on October 11th 2012, 9:22 am

BOSS 429 wrote:
whitefield wrote:I guess what I am asking is how do these heads stack up against the DOVE-C power wise ?

Also does this block have a flat main webb like the DOVE - A and will it support say 900hp with a 521 spinning 7500 rpm with a good set of aluminium heads ?
---------
c8 head is the same thunderjet head as a dove, a c8 block on the other hand is not, and does not have a DOVE style main web,there are a few diff companys that nake a good cap for them. They (C8'S) have std webbing



Thanks for the info I will pass this deal up and move on.
If anyone is interested in this you can pm me and I will give you the guys contact info
429 thunderbird thunderjet engine with transmission
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Re: Are these numbers any good ?

Post  David Cole on October 11th 2012, 10:32 am

Don't shy away from the C8 block due to the thin web. My C8 was thin web and thin pan rail. It was filled to the bottom of the water pump holes and had a BT 4 bolt main conversion on the center 3. I ran it for 6 years for about 1200 total 1/8 mile passes until I broke a crank. It was a 4.5 stroke 557. The crank deal put a small gouge in the very bottom on a cylinder.

So......Ward (Dr's Wife Racing on here) reused it with a 4.3 crank. The shorter stroke keeps the piston out of the gouge. It's in his car now and will run 5.40's in his stock susp fox body.

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Re: Are these numbers any good ?

Post  IDT-572 on October 11th 2012, 3:11 pm

I ran a D1 block for several years at 860 hp and 15:1 compression with the cheap cat steel caps. The blocks are not the problem. All will do as good as any.

With a conventional type head and unmodified single 4 cast intake you won't be making big hp at 7500 anyway N/A.

I wouldn't take the extra time to look for a Dove block over a D1. They make caps for them. And also, the D1 has a good bit of material out at the pan rail where the splayed bolts go into. And some have a wide pan gasket area.
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Re: Are these numbers any good ?

Post  whitefield on October 11th 2012, 4:13 pm

IDT-572 wrote:I ran a D1 block for several years at 860 hp and 15:1 compression with the cheap cat steel caps. The blocks are not the problem. All will do as good as any.

With a conventional type head and unmodified single 4 cast intake you won't be making big hp at 7500 anyway N/A.

I wouldn't take the extra time to look for a Dove block over a D1. They make caps for them. And also, the D1 has a good bit of material out at the pan rail where the splayed bolts go into. And some have a wide pan gasket area.

I have a .030 Dove block and a D1VE block. This one just came my way as a package deal complete and running with transmission. Just didn't know if it would be worth buying for future plans. I don't know much about the big block stuff as I am still learning and have a lot to learn. study Thanks again for all of the replies
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Re: Are these numbers any good ?

Post  61coon on October 13th 2012, 11:38 am

whitefield wrote:
I have a .030 Dove block and a D1VE block. This one just came my way as a package deal complete and running with transmission. Just didn't know if it would be worth buying for future plans. I don't know much about the big block stuff as I am still learning and have a lot to learn. study Thanks again for all of the replies


No problem bud.
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